./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_append_equal.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/dll2n_append_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 a4f285607323e922caa9bbc912c8526475badf88 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2n_append_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 a4f285607323e922caa9bbc912c8526475badf88 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:27:40,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:40,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:41,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:41,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:41,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:41,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:41,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:41,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:41,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:41,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:41,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:41,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:41,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:41,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:41,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:41,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:41,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:41,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:41,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:41,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:41,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:41,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:41,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:41,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:41,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:41,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:41,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:41,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:41,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:41,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:41,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:41,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:41,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:41,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:41,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:41,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:41,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:41,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:41,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:41,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:41,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:41,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:41,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:41,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:41,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:41,240 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:41,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:41,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:41,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:41,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:41,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:41,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:41,246 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:41,247 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:41,247 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:41,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:41,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:41,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:41,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:41,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:41,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:41,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:41,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:41,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:41,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:41,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:41,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:41,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:41,257 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 -> a4f285607323e922caa9bbc912c8526475badf88 [2019-11-26 00:27:41,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:41,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:41,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:41,930 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:41,933 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:41,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_equal.i [2019-11-26 00:27:42,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3add24de/666ed872b1ce466998aff95c354dc740/FLAG86d664542 [2019-11-26 00:27:43,376 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:43,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_equal.i [2019-11-26 00:27:43,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3add24de/666ed872b1ce466998aff95c354dc740/FLAG86d664542 [2019-11-26 00:27:43,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3add24de/666ed872b1ce466998aff95c354dc740 [2019-11-26 00:27:43,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:43,471 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:43,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:43,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:43,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:43,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43, skipping insertion in model container [2019-11-26 00:27:43,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:43,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:44,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:44,579 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:44,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:44,863 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:44,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:44 WrapperNode [2019-11-26 00:27:44,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:44,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:44,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:44,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:44,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:44" (1/1) ... [2019-11-26 00:27:44,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:44" (1/1) ... [2019-11-26 00:27:44,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:44" (1/1) ... [2019-11-26 00:27:44,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:44" (1/1) ... [2019-11-26 00:27:45,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:44" (1/1) ... [2019-11-26 00:27:45,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:44" (1/1) ... [2019-11-26 00:27:45,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:44" (1/1) ... [2019-11-26 00:27:45,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:45,077 INFO L168 Benchmark]: Toolchain (without parser) took 1589.45 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. [2019-11-26 00:27:45,079 INFO L168 Benchmark]: CDTParser took 1.98 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 00:27:45,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1392.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:45,089 INFO L168 Benchmark]: Boogie Preprocessor took 186.72 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. [2019-11-26 00:27:45,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.98 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 1392.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.72 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 0.1.24-65d6cd2 [2019-11-26 00:27:48,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:49,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:49,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:49,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:49,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:49,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:49,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:49,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:49,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:49,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:49,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:49,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:49,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:49,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:49,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:49,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:49,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:49,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:49,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:49,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:49,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:49,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:49,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:49,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:49,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:49,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:49,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:49,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:49,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:49,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:49,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:49,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:49,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:49,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:49,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:49,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:49,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:49,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:49,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:49,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:49,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:49,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:49,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:49,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:49,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:49,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:49,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:49,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:49,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:49,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:49,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:49,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:49,248 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:49,248 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:49,249 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:49,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:49,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:49,252 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:49,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:49,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:49,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:49,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:49,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:49,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:49,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:49,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:49,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:49,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:49,258 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:49,259 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:49,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:49,260 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 -> a4f285607323e922caa9bbc912c8526475badf88 [2019-11-26 00:27:49,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:49,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:49,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:49,911 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:49,915 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:49,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_equal.i [2019-11-26 00:27:50,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ab3a75e3/dcf0863fa1ed4ac28bc504bc41a78e6b/FLAGd49c55d32 [2019-11-26 00:27:51,348 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:51,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_equal.i [2019-11-26 00:27:51,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ab3a75e3/dcf0863fa1ed4ac28bc504bc41a78e6b/FLAGd49c55d32 [2019-11-26 00:27:51,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ab3a75e3/dcf0863fa1ed4ac28bc504bc41a78e6b [2019-11-26 00:27:51,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:51,442 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:51,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:51,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:51,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:51,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51, skipping insertion in model container [2019-11-26 00:27:51,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:51,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:52,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:52,545 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:52,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:52,847 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:52,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:52 WrapperNode [2019-11-26 00:27:52,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:52,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:52,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:52,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:52,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:52" (1/1) ... [2019-11-26 00:27:52,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:52" (1/1) ... [2019-11-26 00:27:52,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:52" (1/1) ... [2019-11-26 00:27:52,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:52" (1/1) ... [2019-11-26 00:27:53,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:52" (1/1) ... [2019-11-26 00:27:53,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:52" (1/1) ... [2019-11-26 00:27:53,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:52" (1/1) ... [2019-11-26 00:27:53,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:53,053 INFO L168 Benchmark]: Toolchain (without parser) took 1610.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 666.1 kB). Peak memory consumption was 731.6 kB. Max. memory is 12.5 GB. [2019-11-26 00:27:53,054 INFO L168 Benchmark]: CDTParser took 2.58 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:53,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1405.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:53,056 INFO L168 Benchmark]: Boogie Preprocessor took 194.07 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. [2019-11-26 00:27:53,072 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.58 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1405.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.07 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...