./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c7de5fb661efaece6ac30dedf2d78ac089ace75 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_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 2c7de5fb661efaece6ac30dedf2d78ac089ace75 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:28,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:28,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:28,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:28,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:28,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:28,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:28,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:28,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:28,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:28,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:28,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:28,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:28,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:28,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:28,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:28,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:28,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:28,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:28,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:28,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:28,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:28,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:28,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:28,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:28,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:28,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:28,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:28,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:28,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:28,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:28,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:28,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:28,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:28,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:28,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:28,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:28,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:28,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:28,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:28,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:28,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:28,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:28,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:28,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:28,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:28,458 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:28,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:28,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:28,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:28,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:28,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:28,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:28,463 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:28,465 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:28,465 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:28,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:28,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:28,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:28,468 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:28,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:28,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:28,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:28,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:28,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:28,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:28,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:28,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:28,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:28,474 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 -> 2c7de5fb661efaece6ac30dedf2d78ac089ace75 [2019-11-24 22:23:29,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:29,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:29,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:29,116 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:29,118 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:29,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-24 22:23:29,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df95dae1/2ca7fa9ede044c9d8c6412355870f8d4/FLAGb33dcfad0 [2019-11-24 22:23:30,507 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:30,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-24 22:23:30,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df95dae1/2ca7fa9ede044c9d8c6412355870f8d4/FLAGb33dcfad0 [2019-11-24 22:23:30,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df95dae1/2ca7fa9ede044c9d8c6412355870f8d4 [2019-11-24 22:23:30,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:30,601 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:30,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:30,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:30,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:30,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:30,626 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 24.11 10:23:30, skipping insertion in model container [2019-11-24 22:23:30,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:30,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:30,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:31,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:31,625 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:31,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:31,911 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:31,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31 WrapperNode [2019-11-24 22:23:31,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:31,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:31,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:31,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:31,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:31,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:32,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:32,111 INFO L168 Benchmark]: Toolchain (without parser) took 1497.31 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: 615.7 kB). Peak memory consumption was 681.2 kB. Max. memory is 12.5 GB. [2019-11-24 22:23:32,112 INFO L168 Benchmark]: CDTParser took 3.16 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:32,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1306.79 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 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:32,116 INFO L168 Benchmark]: Boogie Preprocessor took 177.03 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. [2019-11-24 22:23:32,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.16 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 1306.79 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 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 177.03 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 0.1.24-32f2683 [2019-11-24 22:23:35,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:35,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:35,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:35,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:35,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:35,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:35,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:36,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:36,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:36,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:36,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:36,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:36,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:36,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:36,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:36,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:36,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:36,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:36,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:36,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:36,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:36,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:36,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:36,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:36,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:36,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:36,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:36,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:36,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:36,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:36,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:36,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:36,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:36,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:36,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:36,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:36,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:36,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:36,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:36,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:36,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:36,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:36,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:36,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:36,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:36,166 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:36,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:36,167 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:36,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:36,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:36,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:36,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:36,171 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:36,171 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:36,174 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:36,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:36,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:36,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:36,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:36,176 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:36,176 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:36,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:36,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:36,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:36,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:36,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:36,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:36,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:36,180 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:36,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:36,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:36,183 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 -> 2c7de5fb661efaece6ac30dedf2d78ac089ace75 [2019-11-24 22:23:36,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:36,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:36,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:36,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:36,792 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:36,794 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-24 22:23:36,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659df2261/0de5847c64a44935a72945412607a44a/FLAG3bfa21371 [2019-11-24 22:23:38,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:38,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-24 22:23:38,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659df2261/0de5847c64a44935a72945412607a44a/FLAG3bfa21371 [2019-11-24 22:23:38,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659df2261/0de5847c64a44935a72945412607a44a [2019-11-24 22:23:38,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:38,289 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:38,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:38,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:38,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:38,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38, skipping insertion in model container [2019-11-24 22:23:38,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:38,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:39,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:39,445 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:39,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:39,749 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:39,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:39 WrapperNode [2019-11-24 22:23:39,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:39,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:39,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:39,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:39,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:39" (1/1) ... [2019-11-24 22:23:39,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:39" (1/1) ... [2019-11-24 22:23:39,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:39" (1/1) ... [2019-11-24 22:23:39,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:39" (1/1) ... [2019-11-24 22:23:39,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:39" (1/1) ... [2019-11-24 22:23:39,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:39" (1/1) ... [2019-11-24 22:23:39,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:39" (1/1) ... [2019-11-24 22:23:39,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:39,991 INFO L168 Benchmark]: Toolchain (without parser) took 1693.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:39,991 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:39,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1460.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:39,997 INFO L168 Benchmark]: Boogie Preprocessor took 225.65 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. [2019-11-24 22:23:40,007 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1460.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 225.65 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...