./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.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_prepend_unequal.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 b1e80acb90dba1afece1695551c9c89d7adc1424 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_prepend_unequal.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 b1e80acb90dba1afece1695551c9c89d7adc1424 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:23:30,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:30,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:30,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:30,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:30,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:30,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:30,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:30,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:30,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:30,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:30,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:30,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:30,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:30,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:30,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:30,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:30,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:30,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:30,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:30,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:30,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:30,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:30,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:30,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:30,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:30,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:30,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:30,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:30,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:30,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:30,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:30,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:30,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:30,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:30,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:30,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:30,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:30,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:30,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:30,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:30,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:30,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:30,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:30,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:30,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:30,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:30,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:30,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:30,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:30,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:30,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:30,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:30,247 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:30,249 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:30,249 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:30,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:30,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:30,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:30,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:30,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:30,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:30,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:30,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:30,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:30,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:30,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:30,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:30,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:30,258 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 -> b1e80acb90dba1afece1695551c9c89d7adc1424 [2019-11-24 22:23:30,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:30,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:30,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:30,876 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:30,876 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:30,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-24 22:23:31,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08a4cd5d/4268dd54d4094ce5a5ed133a4dc90e17/FLAGd36851975 [2019-11-24 22:23:32,254 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:32,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-24 22:23:32,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08a4cd5d/4268dd54d4094ce5a5ed133a4dc90e17/FLAGd36851975 [2019-11-24 22:23:32,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08a4cd5d/4268dd54d4094ce5a5ed133a4dc90e17 [2019-11-24 22:23:32,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:32,717 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:32,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:32,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:32,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:32,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58411de1 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 22:23:32,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:32,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:33,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:33,814 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:33,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:34,089 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:34,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34 WrapperNode [2019-11-24 22:23:34,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:34,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:34,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:34,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:34,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:34,288 INFO L168 Benchmark]: Toolchain (without parser) took 1564.76 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 979.7 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:34,289 INFO L168 Benchmark]: CDTParser took 1.41 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 22:23:34,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1367.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:34,295 INFO L168 Benchmark]: Boogie Preprocessor took 184.87 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:34,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 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 1367.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 184.87 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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 22:23:38,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:38,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:38,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:38,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:38,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:38,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:38,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:38,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:38,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:38,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:38,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:38,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:38,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:38,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:38,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:38,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:38,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:38,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:38,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:38,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:38,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:38,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:38,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:38,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:38,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:38,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:38,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:38,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:38,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:38,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:38,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:38,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:38,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:38,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:38,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:38,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:38,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:38,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:38,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:38,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:38,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:38,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:38,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:38,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:38,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:38,356 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:38,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:38,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:38,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:38,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:38,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:38,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:38,362 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:38,364 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:38,364 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:38,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:38,365 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:38,365 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:38,366 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:38,366 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:38,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:38,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:38,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:38,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:38,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:38,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:38,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:38,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:38,372 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:38,374 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:38,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:38,375 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 -> b1e80acb90dba1afece1695551c9c89d7adc1424 [2019-11-24 22:23:38,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:39,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:39,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:39,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:39,023 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:39,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-24 22:23:39,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53b2cf1a1/d7507021ae29401ea326c97942c05456/FLAG94c012104 [2019-11-24 22:23:40,379 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:40,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-24 22:23:40,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53b2cf1a1/d7507021ae29401ea326c97942c05456/FLAG94c012104 [2019-11-24 22:23:40,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53b2cf1a1/d7507021ae29401ea326c97942c05456 [2019-11-24 22:23:40,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:40,841 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:40,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:40,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:40,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:40,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58411de1 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 22:23:40,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:40,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:41,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:41,970 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:42,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:42,255 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:42,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42 WrapperNode [2019-11-24 22:23:42,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:42,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:42,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:42,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:42,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:42,483 INFO L168 Benchmark]: Toolchain (without parser) took 1637.90 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 968.3 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:42,484 INFO L168 Benchmark]: CDTParser took 0.88 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 22:23:42,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1416.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:42,497 INFO L168 Benchmark]: Boogie Preprocessor took 213.11 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:42,516 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 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 1416.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 213.11 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 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...