./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-circular-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/dll-circular-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 647186f77af479db589ba9ca6b990f259feeb9ca ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/dll-circular-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 647186f77af479db589ba9ca6b990f259feeb9ca .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:03,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:03,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:03,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:03,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:03,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:03,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:03,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:03,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:03,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:03,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:03,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:03,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:03,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:03,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:03,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:03,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:03,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:03,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:03,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:03,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:03,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:03,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:03,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:03,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:03,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:03,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:03,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:03,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:03,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:03,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:03,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:03,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:03,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:03,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:03,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:03,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:03,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:03,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:03,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:03,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:03,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:03,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:03,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:03,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:03,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:03,486 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:03,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:03,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:03,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:03,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:03,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:03,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:03,489 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:03,491 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:03,491 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:03,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:03,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:03,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:03,496 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:03,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:03,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:03,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:03,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:03,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:03,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:03,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:03,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:03,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:03,501 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 -> 647186f77af479db589ba9ca6b990f259feeb9ca [2019-11-27 17:45:04,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:04,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:04,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:04,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:04,180 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:04,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-27 17:45:04,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64186b253/82fbfea552e048a3b1634bf51e7d2bd9/FLAG2c406bab3 [2019-11-27 17:45:05,571 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:05,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-27 17:45:05,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64186b253/82fbfea552e048a3b1634bf51e7d2bd9/FLAG2c406bab3 [2019-11-27 17:45:05,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64186b253/82fbfea552e048a3b1634bf51e7d2bd9 [2019-11-27 17:45:05,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:05,654 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:05,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:05,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:05,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:05,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:05" (1/1) ... [2019-11-27 17:45:05,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2952a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:05, skipping insertion in model container [2019-11-27 17:45:05,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:05" (1/1) ... [2019-11-27 17:45:05,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:05,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:06,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:06,743 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:06,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:06,978 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:06,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:06 WrapperNode [2019-11-27 17:45:06,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:06,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:06,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:06,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:07,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:07,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:07,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:07,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:07,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:07,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:07,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:07,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:07,178 INFO L168 Benchmark]: Toolchain (without parser) took 1521.18 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 978.4 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:07,193 INFO L168 Benchmark]: CDTParser took 2.19 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 17:45:07,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1319.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:07,198 INFO L168 Benchmark]: Boogie Preprocessor took 188.77 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 17:45:07,206 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.19 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 1319.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 188.77 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 17:45:10,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:10,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:10,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:11,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:11,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:11,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:11,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:11,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:11,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:11,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:11,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:11,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:11,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:11,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:11,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:11,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:11,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:11,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:11,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:11,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:11,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:11,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:11,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:11,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:11,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:11,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:11,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:11,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:11,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:11,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:11,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:11,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:11,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:11,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:11,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:11,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:11,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:11,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:11,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:11,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:11,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:11,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:11,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:11,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:11,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:11,183 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:11,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:11,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:11,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:11,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:11,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:11,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:11,188 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:11,188 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:11,189 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:11,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:11,189 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:11,190 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:11,190 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:11,190 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:11,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:11,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:11,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:11,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:11,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:11,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:11,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:11,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:11,195 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:11,199 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:11,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:11,200 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 -> 647186f77af479db589ba9ca6b990f259feeb9ca [2019-11-27 17:45:11,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:11,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:11,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:11,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:11,793 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:11,795 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-27 17:45:11,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771d3d3ef/001ccf67064a49fa833706518369272f/FLAG3ca18d83d [2019-11-27 17:45:13,123 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:13,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-27 17:45:13,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771d3d3ef/001ccf67064a49fa833706518369272f/FLAG3ca18d83d [2019-11-27 17:45:13,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771d3d3ef/001ccf67064a49fa833706518369272f [2019-11-27 17:45:13,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:13,655 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:13,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:13,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:13,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:13,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:13" (1/1) ... [2019-11-27 17:45:13,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7241e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:13, skipping insertion in model container [2019-11-27 17:45:13,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:13" (1/1) ... [2019-11-27 17:45:13,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:13,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:14,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:14,733 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:14,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:15,002 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:15,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15 WrapperNode [2019-11-27 17:45:15,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:15,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:15,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:15,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:15,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:15,198 INFO L168 Benchmark]: Toolchain (without parser) took 1542.44 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 974.1 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:15,199 INFO L168 Benchmark]: CDTParser took 0.37 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 17:45:15,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1345.09 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 979.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:15,205 INFO L168 Benchmark]: Boogie Preprocessor took 188.47 ms. Allocated memory is still 1.0 GB. Free memory was 979.9 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:15,218 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1345.09 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 979.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 188.47 ms. Allocated memory is still 1.0 GB. Free memory was 979.9 MB in the beginning and 974.1 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...