./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-token-2.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/forester-heap/sll-token-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba8e1e3b81a4ef74bb5d2812e833b1076e8dddee .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/forester-heap/sll-token-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba8e1e3b81a4ef74bb5d2812e833b1076e8dddee .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:13,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:13,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:13,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:13,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:13,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:13,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:13,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:13,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:13,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:13,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:13,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:13,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:13,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:13,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:13,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:13,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:13,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:13,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:13,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:13,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:13,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:13,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:13,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:13,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:13,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:13,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:13,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:13,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:13,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:13,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:13,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:13,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:13,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:13,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:13,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:13,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:13,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:13,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:13,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:13,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:13,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:13,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:13,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:13,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:13,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:13,583 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:13,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:13,585 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:13,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:13,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:13,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:13,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:13,590 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:13,590 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:13,591 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:13,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:13,592 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:13,592 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:13,593 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:13,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:13,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:13,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:13,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:13,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:13,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:13,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:13,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:13,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:13,600 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 -> ba8e1e3b81a4ef74bb5d2812e833b1076e8dddee [2019-11-27 17:45:14,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:14,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:14,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:14,146 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:14,150 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:14,151 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-token-2.i [2019-11-27 17:45:14,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f807b59/3da5a7caaf4f423aa6f5f120a66d5a78/FLAGe03bdc102 [2019-11-27 17:45:15,550 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:15,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i [2019-11-27 17:45:15,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f807b59/3da5a7caaf4f423aa6f5f120a66d5a78/FLAGe03bdc102 [2019-11-27 17:45:15,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f807b59/3da5a7caaf4f423aa6f5f120a66d5a78 [2019-11-27 17:45:15,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:15,639 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:15,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:15,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:15,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:15,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15, skipping insertion in model container [2019-11-27 17:45:15,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:15,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:16,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:16,801 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:16,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:17,055 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:17,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17 WrapperNode [2019-11-27 17:45:17,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:17,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:17,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:17,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:17,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:17,270 INFO L168 Benchmark]: Toolchain (without parser) took 1624.48 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 978.4 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:17,272 INFO L168 Benchmark]: CDTParser took 2.00 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 17:45:17,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1416.61 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:17,277 INFO L168 Benchmark]: Boogie Preprocessor took 195.62 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:17,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.00 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 1416.61 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 195.62 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 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 17:45:21,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:21,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:21,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:21,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:21,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:21,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:21,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:21,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:21,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:21,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:21,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:21,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:21,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:21,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:21,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:21,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:21,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:21,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:21,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:21,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:21,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:21,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:21,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:21,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:21,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:21,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:21,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:21,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:21,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:21,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:21,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:21,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:21,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:21,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:21,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:21,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:21,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:21,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:21,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:21,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:21,299 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:21,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:21,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:21,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:21,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:21,345 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:21,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:21,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:21,348 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:21,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:21,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:21,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:21,351 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:21,351 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:21,353 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:21,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:21,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:21,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:21,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:21,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:21,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:21,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:21,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:21,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:21,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:21,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:21,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:21,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:21,361 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:21,361 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:21,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:21,363 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 -> ba8e1e3b81a4ef74bb5d2812e833b1076e8dddee [2019-11-27 17:45:22,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:22,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:22,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:22,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:22,057 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:22,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-token-2.i [2019-11-27 17:45:22,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c6ce253/3889494606f54647b74c547cc934ecf1/FLAGcc90aaa7c [2019-11-27 17:45:23,448 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:23,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i [2019-11-27 17:45:23,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c6ce253/3889494606f54647b74c547cc934ecf1/FLAGcc90aaa7c [2019-11-27 17:45:23,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c6ce253/3889494606f54647b74c547cc934ecf1 [2019-11-27 17:45:23,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:23,544 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:23,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:23,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:23,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:23,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:23" (1/1) ... [2019-11-27 17:45:23,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:23, skipping insertion in model container [2019-11-27 17:45:23,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:23" (1/1) ... [2019-11-27 17:45:23,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:23,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:24,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:24,719 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:24,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:25,005 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:25,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25 WrapperNode [2019-11-27 17:45:25,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:25,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:25,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:25,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:25,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:25,221 INFO L168 Benchmark]: Toolchain (without parser) took 1669.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.1 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:25,225 INFO L168 Benchmark]: CDTParser took 2.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:25,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1457.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:25,227 INFO L168 Benchmark]: Boogie Preprocessor took 202.33 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:25,243 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1457.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 202.33 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 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...