./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 da95e156 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-da95e15 [2019-11-27 11:23:17,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:17,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:17,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:17,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:17,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:17,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:17,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:17,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:17,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:17,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:17,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:17,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:17,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:17,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:17,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:17,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:17,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:17,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:17,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:17,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:17,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:17,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:17,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:17,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:17,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:17,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:17,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:17,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:17,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:17,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:17,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:17,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:17,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:17,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:17,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:17,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:17,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:17,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:17,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:17,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:17,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:17,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:17,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:17,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:17,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:17,228 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:17,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:17,231 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:17,232 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:17,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:17,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:17,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:17,234 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:17,236 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:17,236 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:17,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:17,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:17,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:17,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:17,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:17,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:17,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:17,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:17,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:17,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:17,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:17,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:17,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:17,244 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 [2019-11-27 11:23:17,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:17,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:17,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:17,855 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:17,855 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:17,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-27 11:23:18,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79c36d323/98cd9dc912fc4fc59e04d309bf7c2240/FLAG72e39921e [2019-11-27 11:23:19,223 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:19,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-27 11:23:19,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79c36d323/98cd9dc912fc4fc59e04d309bf7c2240/FLAG72e39921e [2019-11-27 11:23:19,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79c36d323/98cd9dc912fc4fc59e04d309bf7c2240 [2019-11-27 11:23:19,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:19,331 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:19,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:19,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:19,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:19,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:19" (1/1) ... [2019-11-27 11:23:19,350 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 27.11 11:23:19, skipping insertion in model container [2019-11-27 11:23:19,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:19" (1/1) ... [2019-11-27 11:23:19,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:19,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:20,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:20,397 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:20,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:20,683 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:20,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20 WrapperNode [2019-11-27 11:23:20,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:20,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:20,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:20,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:20,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:20,879 INFO L168 Benchmark]: Toolchain (without parser) took 1537.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:20,881 INFO L168 Benchmark]: CDTParser took 0.83 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. [2019-11-27 11:23:20,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1354.30 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:20,888 INFO L168 Benchmark]: Boogie Preprocessor took 169.70 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:20,899 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 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 1354.30 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 169.70 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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-da95e15 [2019-11-27 11:23:24,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:24,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:24,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:24,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:24,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:24,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:24,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:24,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:24,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:24,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:24,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:24,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:24,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:24,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:24,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:24,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:24,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:24,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:24,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:24,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:24,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:24,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:24,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:24,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:24,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:24,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:24,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:24,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:24,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:24,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:24,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:24,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:24,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:24,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:24,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:24,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:24,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:24,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:24,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:24,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:24,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:24,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:24,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:24,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:24,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:24,900 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:24,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:24,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:24,901 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:24,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:24,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:24,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:24,905 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:24,905 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:24,906 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:24,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:24,908 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:24,908 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:24,908 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:24,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:24,909 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:24,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:24,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:24,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:24,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:24,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:24,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:24,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:24,914 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:24,914 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:24,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:24,916 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 [2019-11-27 11:23:25,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:25,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:25,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:25,626 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:25,626 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:25,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-27 11:23:25,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419772d0b/ffeb575e694147bfa8fe893bb45d494a/FLAGd2707ccd9 [2019-11-27 11:23:26,977 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:26,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-27 11:23:27,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419772d0b/ffeb575e694147bfa8fe893bb45d494a/FLAGd2707ccd9 [2019-11-27 11:23:27,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419772d0b/ffeb575e694147bfa8fe893bb45d494a [2019-11-27 11:23:27,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:27,473 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:27,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:27,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:27,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:27,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:27" (1/1) ... [2019-11-27 11:23:27,501 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 27.11 11:23:27, skipping insertion in model container [2019-11-27 11:23:27,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:27" (1/1) ... [2019-11-27 11:23:27,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:27,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:28,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:28,567 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:28,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:28,847 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:28,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28 WrapperNode [2019-11-27 11:23:28,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:28,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:28,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:28,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:28,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:28,999 INFO L168 Benchmark]: Toolchain (without parser) took 1526.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 968.2 MB in the end (delta: -8.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:29,001 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-27 11:23:29,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1363.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 973.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:29,019 INFO L168 Benchmark]: Boogie Preprocessor took 146.47 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. [2019-11-27 11:23:29,022 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1363.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 973.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 146.47 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...