./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_prepend_equal.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/sll2c_prepend_equal.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 052353e0eb8597d9bdf886ce67e33d52b41bcb80 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll2c_prepend_equal.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 052353e0eb8597d9bdf886ce67e33d52b41bcb80 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:23:28,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:28,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:28,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:28,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:28,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:28,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:28,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:28,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:28,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:28,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:28,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:28,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:28,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:28,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:28,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:28,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:28,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:28,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:28,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:28,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:28,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:28,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:28,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:28,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:28,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:28,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:28,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:28,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:28,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:28,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:28,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:28,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:28,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:28,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:28,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:28,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:28,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:28,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:28,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:28,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:28,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:28,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:28,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:28,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:28,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:28,304 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:28,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:28,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:28,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:28,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:28,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:28,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:28,310 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:28,311 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:28,311 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:28,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:28,314 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:28,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:28,314 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:28,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:28,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:28,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:28,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:28,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:28,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:28,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:28,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:28,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:28,321 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 -> 052353e0eb8597d9bdf886ce67e33d52b41bcb80 [2019-11-24 22:23:28,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:28,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:28,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:28,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:28,984 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:28,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-24 22:23:29,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f6f2fc5/fbb2ec411a544fcc97848b8cd6910415/FLAGdf4bb8108 [2019-11-24 22:23:30,402 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:30,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-24 22:23:30,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f6f2fc5/fbb2ec411a544fcc97848b8cd6910415/FLAGdf4bb8108 [2019-11-24 22:23:30,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f6f2fc5/fbb2ec411a544fcc97848b8cd6910415 [2019-11-24 22:23:30,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:30,496 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:30,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:30,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:30,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:30,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:30,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16617064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:30, skipping insertion in model container [2019-11-24 22:23:30,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:30,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:30,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:31,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:31,611 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:31,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:31,901 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:31,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31 WrapperNode [2019-11-24 22:23:31,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:31,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:31,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:31,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:31,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:31,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:31,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:32,134 INFO L168 Benchmark]: Toolchain (without parser) took 1618.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:32,135 INFO L168 Benchmark]: CDTParser took 0.73 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. [2019-11-24 22:23:32,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1403.88 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: -828.6 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:32,144 INFO L168 Benchmark]: Boogie Preprocessor took 206.81 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. [2019-11-24 22:23:32,153 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 1403.88 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: -828.6 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 206.81 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 0.1.24-32f2683 [2019-11-24 22:23:36,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:36,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:36,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:36,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:36,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:36,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:36,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:36,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:36,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:36,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:36,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:36,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:36,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:36,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:36,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:36,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:36,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:36,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:36,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:36,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:36,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:36,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:36,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:36,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:36,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:36,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:36,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:36,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:36,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:36,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:36,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:36,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:36,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:36,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:36,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:36,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:36,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:36,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:36,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:36,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:36,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:36,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:36,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:36,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:36,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:36,391 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:36,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:36,392 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:36,394 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:36,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:36,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:36,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:36,396 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:36,399 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:36,399 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:36,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:36,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:36,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:36,401 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:36,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:36,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:36,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:36,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:36,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:36,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:36,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:36,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:36,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:36,407 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:36,408 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:36,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:36,409 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 -> 052353e0eb8597d9bdf886ce67e33d52b41bcb80 [2019-11-24 22:23:37,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:37,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:37,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:37,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:37,073 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:37,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-24 22:23:37,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728a6330e/7bb6b35b01e14afa838132d423f6065e/FLAG04a1ed346 [2019-11-24 22:23:38,472 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:38,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-24 22:23:38,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728a6330e/7bb6b35b01e14afa838132d423f6065e/FLAG04a1ed346 [2019-11-24 22:23:38,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728a6330e/7bb6b35b01e14afa838132d423f6065e [2019-11-24 22:23:38,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:38,569 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:38,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:38,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:38,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:38,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38, skipping insertion in model container [2019-11-24 22:23:38,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:38,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:39,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:39,726 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:39,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:40,008 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:40,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40 WrapperNode [2019-11-24 22:23:40,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:40,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:40,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:40,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:40,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:40,263 INFO L168 Benchmark]: Toolchain (without parser) took 1691.23 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:40,265 INFO L168 Benchmark]: CDTParser took 2.67 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 22:23:40,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1441.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:40,277 INFO L168 Benchmark]: Boogie Preprocessor took 242.95 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:40,281 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.67 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 1441.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 242.95 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...