./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-optional-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/forester-heap/sll-optional-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 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-optional-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 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:06,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:06,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:06,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:06,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:06,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:06,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:06,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:06,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:06,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:06,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:06,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:06,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:06,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:06,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:06,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:06,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:06,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:06,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:06,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:06,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:06,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:06,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:06,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:06,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:06,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:06,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:06,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:06,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:06,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:06,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:06,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:06,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:06,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:06,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:06,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:06,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:06,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:06,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:06,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:06,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:06,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:06,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:06,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:06,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:06,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:06,428 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:06,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:06,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:06,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:06,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:06,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:06,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:06,433 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:06,436 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:06,436 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:06,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:06,437 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:06,437 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:06,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:06,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:06,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:06,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:06,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:06,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:06,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:06,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:06,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:06,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:06,443 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 -> 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 [2019-11-27 17:45:07,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:07,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:07,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:07,064 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:07,065 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:07,065 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-27 17:45:07,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62416a22e/36c340267ae8401d91899d5c4f1603b3/FLAG6a47013c2 [2019-11-27 17:45:08,415 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:08,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-27 17:45:08,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62416a22e/36c340267ae8401d91899d5c4f1603b3/FLAG6a47013c2 [2019-11-27 17:45:08,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62416a22e/36c340267ae8401d91899d5c4f1603b3 [2019-11-27 17:45:08,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:08,502 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:08,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:08,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:08,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:08,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:08,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5eb229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08, skipping insertion in model container [2019-11-27 17:45:08,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:08,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:08,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:09,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:09,551 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:09,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:09,798 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:09,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09 WrapperNode [2019-11-27 17:45:09,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:09,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:09,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:09,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:09,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:09,989 INFO L168 Benchmark]: Toolchain (without parser) took 1485.63 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 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:09,990 INFO L168 Benchmark]: CDTParser took 2.76 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 17:45:10,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1296.55 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:10,012 INFO L168 Benchmark]: Boogie Preprocessor took 180.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:10,021 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.76 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 1296.55 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 180.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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 17:45:13,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:13,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:13,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:13,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:13,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:13,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:13,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:13,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:13,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:13,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:13,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:13,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:13,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:13,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:13,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:14,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:14,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:14,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:14,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:14,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:14,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:14,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:14,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:14,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:14,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:14,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:14,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:14,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:14,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:14,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:14,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:14,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:14,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:14,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:14,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:14,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:14,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:14,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:14,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:14,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:14,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:14,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:14,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:14,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:14,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:14,134 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:14,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:14,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:14,137 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:14,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:14,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:14,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:14,139 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:14,140 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:14,140 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:14,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:14,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:14,142 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:14,143 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:14,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:14,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:14,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:14,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:14,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:14,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:14,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:14,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:14,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:14,149 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:14,149 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:14,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:14,152 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 -> 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 [2019-11-27 17:45:14,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:14,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:14,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:14,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:14,722 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:14,724 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-27 17:45:14,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62e6dd1f/60efac28a6244f99a1b252194697e4b6/FLAG0afc39c08 [2019-11-27 17:45:16,003 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:16,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-27 17:45:16,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62e6dd1f/60efac28a6244f99a1b252194697e4b6/FLAG0afc39c08 [2019-11-27 17:45:16,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62e6dd1f/60efac28a6244f99a1b252194697e4b6 [2019-11-27 17:45:16,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:16,098 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:16,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:16,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:16,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:16,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611e8f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16, skipping insertion in model container [2019-11-27 17:45:16,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:16,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:17,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:17,204 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:17,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:17,475 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:17,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17 WrapperNode [2019-11-27 17:45:17,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:17,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:17,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:17,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:17,514 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 17:45:17,514 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 17:45:17,578 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 17:45:17,579 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 17:45:17,649 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 17:45:17,663 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 17:45:17,681 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 17:45:17,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:17,706 INFO L168 Benchmark]: Toolchain (without parser) took 1607.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 978.2 MB in the end (delta: -19.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:17,706 INFO L168 Benchmark]: CDTParser took 2.86 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 17:45:17,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1376.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 978.2 MB in the end (delta: -19.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:17,712 INFO L168 Benchmark]: Boogie Preprocessor took 219.62 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:17,719 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.86 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 1376.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 978.2 MB in the end (delta: -19.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 219.62 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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...