./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-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/heap-manipulation/sll_to_dll_rev-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 1dce1ce44ca1491c0193a7993733791efa122195 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/heap-manipulation/sll_to_dll_rev-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 1dce1ce44ca1491c0193a7993733791efa122195 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:44:59,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:44:59,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:44:59,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:44:59,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:44:59,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:44:59,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:44:59,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:44:59,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:44:59,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:44:59,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:44:59,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:44:59,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:44:59,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:44:59,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:44:59,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:44:59,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:44:59,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:44:59,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:44:59,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:44:59,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:44:59,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:44:59,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:44:59,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:44:59,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:44:59,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:44:59,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:44:59,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:44:59,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:44:59,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:44:59,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:44:59,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:44:59,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:44:59,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:44:59,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:44:59,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:44:59,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:44:59,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:44:59,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:44:59,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:44:59,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:44:59,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:44:59,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:44:59,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:44:59,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:44:59,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:44:59,347 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:44:59,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:44:59,350 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:44:59,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:44:59,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:44:59,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:44:59,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:44:59,355 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:44:59,355 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:44:59,356 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:44:59,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:44:59,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:44:59,357 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:44:59,357 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:44:59,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:44:59,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:44:59,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:44:59,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:44:59,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:44:59,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:44:59,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:44:59,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:44:59,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:44:59,364 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 -> 1dce1ce44ca1491c0193a7993733791efa122195 [2019-11-27 17:45:00,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:00,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:00,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:00,081 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:00,081 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:00,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-27 17:45:00,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebbdcc16/8dacad5105304cf0a9c08d1b912c1065/FLAG3253679c4 [2019-11-27 17:45:01,549 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:01,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-27 17:45:01,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebbdcc16/8dacad5105304cf0a9c08d1b912c1065/FLAG3253679c4 [2019-11-27 17:45:01,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebbdcc16/8dacad5105304cf0a9c08d1b912c1065 [2019-11-27 17:45:01,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:01,652 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:01,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:01,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:01,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:01,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:01" (1/1) ... [2019-11-27 17:45:01,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9523cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:01, skipping insertion in model container [2019-11-27 17:45:01,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:01" (1/1) ... [2019-11-27 17:45:01,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:01,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:02,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:02,702 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:02,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:02,963 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:02,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02 WrapperNode [2019-11-27 17:45:02,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:02,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:02,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:02,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:02,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:02,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:03,181 INFO L168 Benchmark]: Toolchain (without parser) took 1523.03 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 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:03,184 INFO L168 Benchmark]: CDTParser took 0.80 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 17:45:03,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1310.50 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 968.2 MB in the end (delta: -790.6 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:03,200 INFO L168 Benchmark]: Boogie Preprocessor took 204.37 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:03,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 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 1310.50 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 968.2 MB in the end (delta: -790.6 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 204.37 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:07,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:07,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:07,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:07,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:07,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:07,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:07,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:07,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:07,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:07,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:07,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:07,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:07,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:07,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:07,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:07,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:07,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:07,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:07,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:07,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:07,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:07,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:07,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:07,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:07,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:07,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:07,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:07,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:07,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:07,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:07,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:07,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:07,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:07,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:07,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:07,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:07,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:07,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:07,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:07,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:07,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:07,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:07,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:07,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:07,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:07,432 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:07,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:07,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:07,434 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:07,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:07,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:07,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:07,439 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:07,439 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:07,440 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:07,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:07,442 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:07,442 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:07,442 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:07,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:07,443 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:07,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:07,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:07,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:07,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:07,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:07,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:07,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:07,449 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:07,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:07,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:07,453 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 -> 1dce1ce44ca1491c0193a7993733791efa122195 [2019-11-27 17:45:08,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:08,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:08,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:08,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:08,122 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:08,124 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-27 17:45:08,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a33cf9898/ab0793b377044d8c9948d23c9868daed/FLAGdc9dd94f7 [2019-11-27 17:45:09,571 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:09,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-27 17:45:09,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a33cf9898/ab0793b377044d8c9948d23c9868daed/FLAGdc9dd94f7 [2019-11-27 17:45:09,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a33cf9898/ab0793b377044d8c9948d23c9868daed [2019-11-27 17:45:09,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:09,669 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:09,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:09,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:09,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:09,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09, skipping insertion in model container [2019-11-27 17:45:09,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:09,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:10,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:10,817 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:11,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:11,144 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:11,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11 WrapperNode [2019-11-27 17:45:11,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:11,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:11,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:11,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:11,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:11,358 INFO L168 Benchmark]: Toolchain (without parser) took 1684.18 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 966.8 MB in the end (delta: 597.6 kB). Peak memory consumption was 663.1 kB. Max. memory is 12.5 GB. [2019-11-27 17:45:11,359 INFO L168 Benchmark]: CDTParser took 0.47 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 17:45:11,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1473.38 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:11,365 INFO L168 Benchmark]: Boogie Preprocessor took 202.34 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:11,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 1473.38 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 202.34 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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...