./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47b0bc17 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 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:46:52,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:46:52,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:46:52,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:46:52,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:46:52,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:46:52,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:46:52,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:46:52,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:46:52,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:46:52,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:46:52,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:46:52,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:46:52,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:46:52,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:46:52,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:46:52,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:46:52,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:46:52,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:46:52,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:46:52,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:46:52,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:46:52,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:46:52,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:46:52,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:46:52,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:46:52,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:46:52,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:46:52,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:46:52,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:46:52,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:46:52,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:46:52,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:46:52,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:46:52,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:46:52,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:46:52,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:46:52,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:46:52,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:46:52,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:46:52,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:46:52,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 23:46:52,301 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:46:52,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:46:52,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:46:52,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:46:52,309 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:46:52,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:46:52,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 23:46:52,310 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:46:52,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:46:52,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 23:46:52,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:46:52,313 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:46:52,313 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:46:52,314 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:46:52,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:46:52,315 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:46:52,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:46:52,318 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 23:46:52,318 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:46:52,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:46:52,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:46:52,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:46:52,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:46:52,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:46:52,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:46:52,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:46:52,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:46:52,324 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:46:52,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:46:52,324 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:46:52,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:46:52,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:46:52,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:46:52,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:46:52,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:46:52,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-20 23:46:53,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a948d17/6a514446ece24266bf7c684b4bee8afa/FLAG770a4a825 [2019-11-20 23:46:54,297 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:46:54,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-20 23:46:54,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a948d17/6a514446ece24266bf7c684b4bee8afa/FLAG770a4a825 [2019-11-20 23:46:54,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a948d17/6a514446ece24266bf7c684b4bee8afa [2019-11-20 23:46:54,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:46:54,359 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:46:54,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:46:54,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:46:54,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:46:54,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:46:54" (1/1) ... [2019-11-20 23:46:54,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689c31a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:54, skipping insertion in model container [2019-11-20 23:46:54,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:46:54" (1/1) ... [2019-11-20 23:46:54,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:46:54,518 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:46:55,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:46:55,494 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:46:55,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:46:55,801 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:46:55,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:55 WrapperNode [2019-11-20 23:46:55,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:46:55,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:46:55,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:46:55,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:46:55,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:55" (1/1) ... [2019-11-20 23:46:55,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:55" (1/1) ... [2019-11-20 23:46:55,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:55" (1/1) ... [2019-11-20 23:46:55,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:55" (1/1) ... [2019-11-20 23:46:55,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:55" (1/1) ... [2019-11-20 23:46:56,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:55" (1/1) ... [2019-11-20 23:46:56,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:55" (1/1) ... [2019-11-20 23:46:56,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:46:56,054 INFO L168 Benchmark]: Toolchain (without parser) took 1689.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 962.4 MB in the end (delta: -739.2 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:46:56,055 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:46:56,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1427.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-20 23:46:56,071 INFO L168 Benchmark]: Boogie Preprocessor took 240.16 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-20 23:46:56,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1427.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 240.16 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.4 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...