./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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_append_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 cae663252cf3102da91695865874d633c1ee8349 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_append_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 cae663252cf3102da91695865874d633c1ee8349 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:44,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:44,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:45,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:45,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:45,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:45,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:45,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:45,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:45,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:45,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:45,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:45,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:45,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:45,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:45,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:45,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:45,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:45,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:45,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:45,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:45,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:45,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:45,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:45,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:45,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:45,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:45,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:45,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:45,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:45,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:45,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:45,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:45,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:45,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:45,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:45,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:45,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:45,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:45,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:45,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:45,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:45,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:45,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:45,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:45,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:45,206 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:45,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:45,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:45,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:45,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:45,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:45,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:45,212 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:45,212 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:45,213 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:45,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:45,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:45,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:45,215 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:45,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:45,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:45,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:45,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:45,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:45,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:45,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:45,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:45,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:45,222 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 -> cae663252cf3102da91695865874d633c1ee8349 [2019-11-27 17:45:45,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:45,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:45,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:45,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:45,850 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:45,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 17:45:46,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031265b31/69a6b895c198482989d95a5356a32af9/FLAG7d55ca53a [2019-11-27 17:45:47,256 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:47,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 17:45:47,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031265b31/69a6b895c198482989d95a5356a32af9/FLAG7d55ca53a [2019-11-27 17:45:47,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031265b31/69a6b895c198482989d95a5356a32af9 [2019-11-27 17:45:47,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:47,351 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:47,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:47,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:47,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:47,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2dc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47, skipping insertion in model container [2019-11-27 17:45:47,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:47,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:48,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:48,438 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:48,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:48,712 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:48,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48 WrapperNode [2019-11-27 17:45:48,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:48,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:48,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:48,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:48,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:48,911 INFO L168 Benchmark]: Toolchain (without parser) took 1550.09 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 17:45:48,912 INFO L168 Benchmark]: CDTParser took 2.25 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 17:45:48,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1360.25 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 17:45:48,929 INFO L168 Benchmark]: Boogie Preprocessor took 181.23 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 17:45:48,939 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.25 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 1360.25 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 181.23 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 0.1.24-509859d [2019-11-27 17:45:52,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:52,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:52,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:52,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:52,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:52,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:52,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:52,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:52,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:52,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:52,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:52,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:52,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:52,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:52,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:52,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:52,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:52,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:52,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:52,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:52,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:52,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:52,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:52,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:52,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:52,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:52,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:52,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:52,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:52,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:52,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:52,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:52,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:52,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:52,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:52,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:52,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:52,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:52,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:52,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:52,956 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:52,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:52,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:53,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:53,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:53,002 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:53,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:53,003 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:53,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:53,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:53,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:53,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:53,007 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:53,007 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:53,008 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:53,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:53,010 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:53,010 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:53,011 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:53,011 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:53,011 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:53,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:53,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:53,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:53,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:53,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:53,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:53,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:53,016 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:53,016 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:53,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:53,020 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 -> cae663252cf3102da91695865874d633c1ee8349 [2019-11-27 17:45:53,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:53,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:53,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:53,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:53,700 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:53,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 17:45:53,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf710000/a8e96937f121454783238690f4a8751c/FLAGaf6c24c8b [2019-11-27 17:45:55,100 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:55,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 17:45:55,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf710000/a8e96937f121454783238690f4a8751c/FLAGaf6c24c8b [2019-11-27 17:45:55,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf710000/a8e96937f121454783238690f4a8751c [2019-11-27 17:45:55,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:55,196 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:55,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:55,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:55,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:55,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,224 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 27.11 05:45:55, skipping insertion in model container [2019-11-27 17:45:55,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:55,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:56,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:56,343 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:56,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:56,646 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:56,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56 WrapperNode [2019-11-27 17:45:56,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:56,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:56,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:56,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:56,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:56,900 INFO L168 Benchmark]: Toolchain (without parser) took 1699.95 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 17:45:56,904 INFO L168 Benchmark]: CDTParser took 0.39 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 17:45:56,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1448.20 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:56,908 INFO L168 Benchmark]: Boogie Preprocessor took 243.13 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 17:45:56,921 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1448.20 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 243.13 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...