./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/alternating_list-1.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-properties/alternating_list-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 c86c31ba65e8769cfdcc728bfa7fc9963ff0709c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-properties/alternating_list-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 c86c31ba65e8769cfdcc728bfa7fc9963ff0709c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:15,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:15,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:15,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:15,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:15,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:15,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:15,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:15,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:15,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:15,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:15,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:15,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:15,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:15,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:15,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:15,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:15,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:15,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:15,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:15,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:15,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:15,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:15,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:15,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:15,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:15,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:15,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:15,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:15,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:15,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:15,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:15,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:15,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:15,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:15,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:15,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:15,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:15,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:15,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:15,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:15,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:15,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:15,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:15,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:15,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:15,391 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:15,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:15,392 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:15,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:15,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:15,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:15,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:15,394 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:15,396 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:15,396 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:15,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:15,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:15,399 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:15,399 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:15,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:15,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:15,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:15,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:15,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:15,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:15,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:15,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:15,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:15,406 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 -> c86c31ba65e8769cfdcc728bfa7fc9963ff0709c [2019-11-27 17:45:15,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:15,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:15,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:15,996 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:16,001 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:16,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 17:45:16,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfa49e125/56870f0a38dc429ea088d276675615cd/FLAGfbd02e453 [2019-11-27 17:45:17,454 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:17,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 17:45:17,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfa49e125/56870f0a38dc429ea088d276675615cd/FLAGfbd02e453 [2019-11-27 17:45:17,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfa49e125/56870f0a38dc429ea088d276675615cd [2019-11-27 17:45:17,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:17,561 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:17,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:17,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:17,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:17,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35365046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17, skipping insertion in model container [2019-11-27 17:45:17,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:17,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:18,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:18,717 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:18,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:19,010 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:19,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19 WrapperNode [2019-11-27 17:45:19,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:19,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:19,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:19,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:19,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:19,217 INFO L168 Benchmark]: Toolchain (without parser) took 1638.54 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:19,220 INFO L168 Benchmark]: CDTParser took 3.29 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 17:45:19,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1449.22 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:19,227 INFO L168 Benchmark]: Boogie Preprocessor took 178.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:19,235 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.29 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 1449.22 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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 17:45:23,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:23,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:23,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:23,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:23,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:23,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:23,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:23,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:23,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:23,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:23,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:23,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:23,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:23,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:23,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:23,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:23,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:23,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:23,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:23,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:23,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:23,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:23,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:23,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:23,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:23,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:23,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:23,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:23,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:23,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:23,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:23,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:23,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:23,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:23,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:23,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:23,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:23,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:23,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:23,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:23,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:23,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:23,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:23,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:23,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:23,393 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:23,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:23,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:23,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:23,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:23,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:23,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:23,399 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:23,399 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:23,400 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:23,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:23,401 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:23,401 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:23,401 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:23,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:23,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:23,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:23,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:23,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:23,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:23,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:23,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:23,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:23,409 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:23,409 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:23,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:23,411 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 -> c86c31ba65e8769cfdcc728bfa7fc9963ff0709c [2019-11-27 17:45:24,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:24,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:24,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:24,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:24,077 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:24,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 17:45:24,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c7768d0/4c76a709f364412eae075fccf22ac6f9/FLAG205aef0f5 [2019-11-27 17:45:25,489 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:25,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 17:45:25,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c7768d0/4c76a709f364412eae075fccf22ac6f9/FLAG205aef0f5 [2019-11-27 17:45:25,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c7768d0/4c76a709f364412eae075fccf22ac6f9 [2019-11-27 17:45:25,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:25,587 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:25,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:25,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:25,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:25,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4841c2 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 17:45:25,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:25,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:26,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:26,531 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:26,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:26,801 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:26,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26 WrapperNode [2019-11-27 17:45:26,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:26,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:26,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:26,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:26,830 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 17:45:26,831 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 17:45:26,885 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 17:45:26,886 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 17:45:26,948 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 17:45:26,971 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 17:45:26,983 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 17:45:26,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:27,006 INFO L168 Benchmark]: Toolchain (without parser) took 1420.57 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 968.5 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:27,007 INFO L168 Benchmark]: CDTParser took 1.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:27,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1214.09 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. [2019-11-27 17:45:27,014 INFO L168 Benchmark]: Boogie Preprocessor took 196.69 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:27,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1214.09 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 196.69 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 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...