./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-26 00:27:56,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:56,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:57,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:57,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:57,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:57,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:57,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:57,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:57,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:57,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:57,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:57,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:57,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:57,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:57,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:57,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:57,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:57,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:57,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:57,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:57,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:57,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:57,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:57,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:57,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:57,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:57,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:57,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:57,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:57,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:57,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:57,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:57,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:57,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:57,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:57,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:57,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:57,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:57,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:57,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:57,160 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:57,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:57,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:57,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:57,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:57,208 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:57,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:57,208 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:57,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:57,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:57,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:57,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:57,213 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:57,213 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:57,214 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:57,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:57,216 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:57,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:57,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:57,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:57,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:57,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:57,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:57,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:57,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:57,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:57,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:57,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:57,223 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 [2019-11-26 00:27:57,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:57,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:57,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:57,912 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:57,913 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:57,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-26 00:27:58,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a452a44/5d3cd469441b44339b078bce91703f06/FLAG1f9ce9f56 [2019-11-26 00:27:59,373 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:59,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-26 00:27:59,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a452a44/5d3cd469441b44339b078bce91703f06/FLAG1f9ce9f56 [2019-11-26 00:27:59,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a452a44/5d3cd469441b44339b078bce91703f06 [2019-11-26 00:27:59,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:59,468 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:59,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:59,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:59,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:59,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59, skipping insertion in model container [2019-11-26 00:27:59,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:59,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:00,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:00,499 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:00,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:00,785 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:00,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00 WrapperNode [2019-11-26 00:28:00,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:00,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:00,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:00,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:00,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:01,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:01,015 INFO L168 Benchmark]: Toolchain (without parser) took 1538.83 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. [2019-11-26 00:28:01,026 INFO L168 Benchmark]: CDTParser took 0.96 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. [2019-11-26 00:28:01,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1315.47 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: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:01,035 INFO L168 Benchmark]: Boogie Preprocessor took 215.26 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. [2019-11-26 00:28:01,048 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 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 1315.47 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: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 215.26 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:05,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:05,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:05,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:05,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:05,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:05,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:05,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:05,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:05,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:05,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:05,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:05,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:05,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:05,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:05,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:05,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:05,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:05,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:05,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:05,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:05,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:05,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:05,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:05,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:05,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:05,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:05,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:05,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:05,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:05,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:05,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:05,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:05,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:05,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:05,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:05,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:05,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:05,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:05,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:05,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:05,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:05,245 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:05,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:05,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:05,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:05,253 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:05,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:05,254 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:05,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:05,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:05,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:05,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:05,259 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:05,259 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:05,260 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:05,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:05,260 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:05,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:05,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:05,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:05,264 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:05,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:05,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:05,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:05,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:05,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:05,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:05,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:05,269 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:05,269 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:05,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:05,271 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 [2019-11-26 00:28:05,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:05,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:05,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:05,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:05,943 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:05,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-26 00:28:06,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1645789c0/90df81ebaa3142c0ade40f5367a41ffe/FLAGef6713990 [2019-11-26 00:28:07,375 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:07,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-26 00:28:07,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1645789c0/90df81ebaa3142c0ade40f5367a41ffe/FLAGef6713990 [2019-11-26 00:28:07,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1645789c0/90df81ebaa3142c0ade40f5367a41ffe [2019-11-26 00:28:07,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:07,932 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:07,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:07,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:07,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:07,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119fd03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07, skipping insertion in model container [2019-11-26 00:28:07,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:08,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:08,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:08,911 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:09,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:09,218 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:09,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09 WrapperNode [2019-11-26 00:28:09,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:09,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:09,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:09,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:09,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:09,475 INFO L168 Benchmark]: Toolchain (without parser) took 1539.07 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. [2019-11-26 00:28:09,476 INFO L168 Benchmark]: CDTParser took 0.50 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. [2019-11-26 00:28:09,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1285.87 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:09,487 INFO L168 Benchmark]: Boogie Preprocessor took 242.82 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. [2019-11-26 00:28:09,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 1285.87 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 242.82 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...