./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.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/sll2c_remove_all_reverse.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 8e9bd4c45107b8bac8caf02aded500b0232909d1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_remove_all_reverse.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 8e9bd4c45107b8bac8caf02aded500b0232909d1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:44,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:44,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:44,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:44,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:44,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:44,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:44,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:44,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:44,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:44,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:44,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:44,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:44,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:44,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:44,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:44,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:44,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:44,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:44,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:44,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:44,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:44,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:44,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:44,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:44,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:44,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:44,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:44,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:44,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:44,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:44,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:44,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:44,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:44,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:44,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:44,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:44,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:44,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:44,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:44,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:44,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:44,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:44,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:44,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:44,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:44,357 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:44,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:44,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:44,358 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:44,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:44,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:44,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:44,362 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:44,365 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:44,366 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:44,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:44,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:44,366 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:44,367 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:44,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:44,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:44,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:44,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:44,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:44,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:44,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:44,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:44,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:44,374 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 -> 8e9bd4c45107b8bac8caf02aded500b0232909d1 [2019-11-27 17:45:44,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:45,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:45,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:45,025 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:45,026 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:45,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-27 17:45:45,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0c3b5946/b5eecc474cbf402bbc6264c770296355/FLAGde2a4f9fc [2019-11-27 17:45:46,429 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:46,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-27 17:45:46,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0c3b5946/b5eecc474cbf402bbc6264c770296355/FLAGde2a4f9fc [2019-11-27 17:45:46,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0c3b5946/b5eecc474cbf402bbc6264c770296355 [2019-11-27 17:45:46,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:46,516 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:46,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:46,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:46,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:46,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:46" (1/1) ... [2019-11-27 17:45:46,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:46, skipping insertion in model container [2019-11-27 17:45:46,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:46" (1/1) ... [2019-11-27 17:45:46,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:46,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:47,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:47,593 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:47,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:47,854 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:47,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47 WrapperNode [2019-11-27 17:45:47,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:47,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:47,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:47,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:47,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:48,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:48,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:48,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:48,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:48,082 INFO L168 Benchmark]: Toolchain (without parser) took 1546.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:48,083 INFO L168 Benchmark]: CDTParser took 0.94 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 17:45:48,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.78 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 17:45:48,090 INFO L168 Benchmark]: Boogie Preprocessor took 201.06 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:48,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 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 1340.78 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 201.06 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. 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 17:45:51,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:51,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:51,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:51,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:51,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:51,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:51,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:51,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:51,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:51,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:51,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:51,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:51,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:51,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:51,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:52,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:52,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:52,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:52,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:52,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:52,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:52,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:52,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:52,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:52,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:52,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:52,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:52,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:52,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:52,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:52,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:52,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:52,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:52,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:52,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:52,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:52,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:52,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:52,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:52,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:52,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:52,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:52,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:52,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:52,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:52,129 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:52,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:52,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:52,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:52,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:52,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:52,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:52,135 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:52,135 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:52,136 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:52,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:52,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:52,137 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:52,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:52,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:52,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:52,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:52,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:52,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:52,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:52,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:52,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:52,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:52,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:52,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:52,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:52,146 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 -> 8e9bd4c45107b8bac8caf02aded500b0232909d1 [2019-11-27 17:45:52,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:52,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:52,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:52,735 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:52,735 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:52,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-27 17:45:52,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd59c77bf/afa53b7e48ea4269b03160dbb0bc757a/FLAGc0e324f72 [2019-11-27 17:45:54,088 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:54,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-27 17:45:54,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd59c77bf/afa53b7e48ea4269b03160dbb0bc757a/FLAGc0e324f72 [2019-11-27 17:45:54,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd59c77bf/afa53b7e48ea4269b03160dbb0bc757a [2019-11-27 17:45:54,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:54,176 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:54,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:54,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:54,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:54,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cf8e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54, skipping insertion in model container [2019-11-27 17:45:54,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:54,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:55,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:55,251 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:55,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:55,536 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:55,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55 WrapperNode [2019-11-27 17:45:55,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:55,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:55,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:55,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:55,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:55,743 INFO L168 Benchmark]: Toolchain (without parser) took 1557.43 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 17:45:55,745 INFO L168 Benchmark]: CDTParser took 2.64 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 17:45:55,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1355.60 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 17:45:55,748 INFO L168 Benchmark]: Boogie Preprocessor took 189.37 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 17:45:55,752 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.64 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 1355.60 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 189.37 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...