./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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/list-simple/sll2n_remove_all.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 a3189d7d4e71631c5441bd903e5049703e07b8be ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/list-simple/sll2n_remove_all.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 a3189d7d4e71631c5441bd903e5049703e07b8be ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:30,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:30,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:30,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:30,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:30,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:30,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:30,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:30,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:30,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:30,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:30,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:30,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:30,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:30,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:30,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:30,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:30,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:30,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:30,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:30,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:30,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:30,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:30,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:30,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:30,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:30,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:30,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:30,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:30,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:30,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:30,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:30,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:30,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:30,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:30,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:30,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:30,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:30,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:30,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:30,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:30,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:30,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:30,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:30,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:30,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:30,330 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:30,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:30,333 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:30,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:30,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:30,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:30,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:30,336 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:30,338 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:30,339 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:30,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:30,339 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:30,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:30,340 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:30,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:30,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:30,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:30,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:30,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:30,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:30,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:30,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:30,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:30,346 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 -> a3189d7d4e71631c5441bd903e5049703e07b8be [2019-11-24 22:23:30,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:31,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:31,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:31,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:31,018 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:31,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-24 22:23:31,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57c6e2aab/3c74dc4b6d16407d854ebe0b32dc7534/FLAG93c764971 [2019-11-24 22:23:32,386 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:32,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-24 22:23:32,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57c6e2aab/3c74dc4b6d16407d854ebe0b32dc7534/FLAG93c764971 [2019-11-24 22:23:32,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57c6e2aab/3c74dc4b6d16407d854ebe0b32dc7534 [2019-11-24 22:23:32,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:32,484 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:32,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:32,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:32,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:32,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7250b538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32, skipping insertion in model container [2019-11-24 22:23:32,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:32,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:33,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:33,554 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:33,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:33,807 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:33,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33 WrapperNode [2019-11-24 22:23:33,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:33,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:33,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:33,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:33,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:34,000 INFO L168 Benchmark]: Toolchain (without parser) took 1513.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:34,014 INFO L168 Benchmark]: CDTParser took 1.95 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. [2019-11-24 22:23:34,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1325.94 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 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:34,017 INFO L168 Benchmark]: Boogie Preprocessor took 178.37 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:34,025 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95 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 1325.94 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 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.37 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:37,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:37,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:37,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:37,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:37,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:37,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:37,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:37,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:37,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:37,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:37,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:37,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:37,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:37,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:37,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:37,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:37,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:37,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:37,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:37,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:38,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:38,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:38,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:38,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:38,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:38,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:38,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:38,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:38,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:38,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:38,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:38,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:38,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:38,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:38,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:38,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:38,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:38,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:38,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:38,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:38,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:38,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:38,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:38,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:38,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:38,118 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:38,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:38,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:38,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:38,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:38,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:38,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:38,124 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:38,124 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:38,124 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:38,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:38,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:38,126 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:38,126 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:38,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:38,128 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:38,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:38,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:38,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:38,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:38,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:38,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:38,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:38,133 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:38,136 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:38,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:38,137 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 -> a3189d7d4e71631c5441bd903e5049703e07b8be [2019-11-24 22:23:38,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:38,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:38,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:38,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:38,733 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:38,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-24 22:23:38,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bbb2b53f/3ae8934854c2400f81c419ffff37304c/FLAGae94730e2 [2019-11-24 22:23:39,974 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:39,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-24 22:23:40,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bbb2b53f/3ae8934854c2400f81c419ffff37304c/FLAGae94730e2 [2019-11-24 22:23:40,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bbb2b53f/3ae8934854c2400f81c419ffff37304c [2019-11-24 22:23:40,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:40,064 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:40,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:40,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:40,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:40,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1636fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40, skipping insertion in model container [2019-11-24 22:23:40,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:40,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:41,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:41,130 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:41,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:41,404 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:41,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:41 WrapperNode [2019-11-24 22:23:41,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:41,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:41,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:41,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:41,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:41" (1/1) ... [2019-11-24 22:23:41,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:41" (1/1) ... [2019-11-24 22:23:41,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:41" (1/1) ... [2019-11-24 22:23:41,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:41" (1/1) ... [2019-11-24 22:23:41,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:41" (1/1) ... [2019-11-24 22:23:41,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:41" (1/1) ... [2019-11-24 22:23:41,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:41" (1/1) ... [2019-11-24 22:23:41,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:41,610 INFO L168 Benchmark]: Toolchain (without parser) took 1537.16 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:41,611 INFO L168 Benchmark]: CDTParser took 0.51 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. [2019-11-24 22:23:41,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1336.33 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:41,613 INFO L168 Benchmark]: Boogie Preprocessor took 192.05 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:41,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 1336.33 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.05 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...