./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_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/sll2n_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 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2n_append_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 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:27:56,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:56,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:56,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:56,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:56,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:56,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:56,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:56,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:56,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:56,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:56,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:56,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:56,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:56,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:56,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:56,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:56,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:56,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:56,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:56,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:56,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:56,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:56,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:56,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:56,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:56,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:56,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:56,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:56,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:56,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:56,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:56,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:56,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:56,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:56,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:56,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:56,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:56,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:56,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:56,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:56,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:56,627 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:56,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:56,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:56,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:56,636 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:56,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:56,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:56,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:56,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:56,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:56,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:56,642 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:56,642 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:56,643 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:56,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:56,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:56,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:56,645 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:56,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:56,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:56,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:56,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:56,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:56,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:56,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:56,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:56,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:56,651 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 -> 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 [2019-11-26 00:27:57,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:57,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:57,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:57,136 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:57,138 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:57,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-26 00:27:57,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa87cf8d9/4ba78d53142b42a5b0c44db72cb41e17/FLAG1f9bc0ba4 [2019-11-26 00:27:58,499 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:58,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-26 00:27:58,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa87cf8d9/4ba78d53142b42a5b0c44db72cb41e17/FLAG1f9bc0ba4 [2019-11-26 00:27:58,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa87cf8d9/4ba78d53142b42a5b0c44db72cb41e17 [2019-11-26 00:27:58,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:58,590 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:58,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:58,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:58,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:58,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58, skipping insertion in model container [2019-11-26 00:27:58,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:58,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:59,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:59,558 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:59,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:59,807 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:59,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59 WrapperNode [2019-11-26 00:27:59,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:59,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:59,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:59,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:59,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:00,001 INFO L168 Benchmark]: Toolchain (without parser) took 1395.91 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: 609.9 kB). Peak memory consumption was 675.5 kB. Max. memory is 12.5 GB. [2019-11-26 00:28:00,004 INFO L168 Benchmark]: CDTParser took 1.42 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 00:28:00,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1215.88 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. [2019-11-26 00:28:00,011 INFO L168 Benchmark]: Boogie Preprocessor took 171.39 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 00:28:00,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 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 1215.88 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 171.39 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 00:28:03,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:03,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:03,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:03,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:03,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:03,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:03,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:03,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:03,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:03,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:03,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:03,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:03,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:03,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:03,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:03,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:03,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:03,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:03,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:03,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:03,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:03,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:03,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:03,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:03,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:03,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:03,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:03,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:03,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:03,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:03,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:03,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:03,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:03,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:03,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:03,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:03,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:03,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:03,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:03,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:03,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:04,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:04,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:04,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:04,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:04,039 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:04,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:04,042 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:04,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:04,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:04,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:04,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:04,047 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:04,047 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:04,048 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:04,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:04,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:04,050 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:04,052 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:04,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:04,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:04,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:04,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:04,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:04,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:04,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:04,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:04,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:04,058 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:04,060 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:04,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:04,062 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 -> 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 [2019-11-26 00:28:04,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:04,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:04,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:04,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:04,658 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:04,660 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-26 00:28:04,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bbafba31/84581248731347d4898dfc4d24d1cfb8/FLAG44a8be6ef [2019-11-26 00:28:05,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:05,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-26 00:28:05,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bbafba31/84581248731347d4898dfc4d24d1cfb8/FLAG44a8be6ef [2019-11-26 00:28:05,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bbafba31/84581248731347d4898dfc4d24d1cfb8 [2019-11-26 00:28:05,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:05,949 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:05,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:05,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:05,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:05,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:05" (1/1) ... [2019-11-26 00:28:05,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f2aa46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:05, skipping insertion in model container [2019-11-26 00:28:05,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:05" (1/1) ... [2019-11-26 00:28:05,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:06,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:06,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:06,976 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:07,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:07,199 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:07,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07 WrapperNode [2019-11-26 00:28:07,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:07,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:07,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:07,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:07,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:07,407 INFO L168 Benchmark]: Toolchain (without parser) took 1456.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:07,408 INFO L168 Benchmark]: CDTParser took 1.11 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 00:28:07,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1253.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:07,419 INFO L168 Benchmark]: Boogie Preprocessor took 190.14 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 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 00:28:07,437 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 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 1253.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 190.14 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 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...