./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2n_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 1b10a804e0729604e263f2723af276809c7bd448 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2n_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 1b10a804e0729604e263f2723af276809c7bd448 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:27:46,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:46,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:46,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:46,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:46,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:46,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:46,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:46,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:46,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:46,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:46,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:46,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:46,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:46,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:46,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:46,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:46,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:46,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:46,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:46,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:46,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:46,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:46,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:46,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:46,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:46,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:46,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:46,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:46,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:46,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:46,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:46,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:46,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:46,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:46,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:46,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:46,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:46,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:46,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:46,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:46,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:46,726 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:46,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:46,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:46,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:46,732 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:46,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:46,732 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:46,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:46,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:46,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:46,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:46,737 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:46,738 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:46,738 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:46,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:46,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:46,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:46,739 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:46,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:46,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:46,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:46,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:46,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:46,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:46,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:46,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:46,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:46,748 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 -> 1b10a804e0729604e263f2723af276809c7bd448 [2019-11-26 00:27:47,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:47,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:47,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:47,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:47,423 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:47,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-26 00:27:47,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f817c6be3/5a57025c68834ab3b4896b336b8d4cca/FLAG29d7586a1 [2019-11-26 00:27:48,806 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:48,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-26 00:27:48,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f817c6be3/5a57025c68834ab3b4896b336b8d4cca/FLAG29d7586a1 [2019-11-26 00:27:48,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f817c6be3/5a57025c68834ab3b4896b336b8d4cca [2019-11-26 00:27:48,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:48,925 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:48,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:48,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:48,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:48,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:48" (1/1) ... [2019-11-26 00:27:48,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:48, skipping insertion in model container [2019-11-26 00:27:48,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:48" (1/1) ... [2019-11-26 00:27:48,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:49,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:49,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:49,990 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:50,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:50,253 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:50,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:50 WrapperNode [2019-11-26 00:27:50,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:50,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:50,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:50,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:50,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:50" (1/1) ... [2019-11-26 00:27:50,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:50" (1/1) ... [2019-11-26 00:27:50,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:50" (1/1) ... [2019-11-26 00:27:50,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:50" (1/1) ... [2019-11-26 00:27:50,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:50" (1/1) ... [2019-11-26 00:27:50,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:50" (1/1) ... [2019-11-26 00:27:50,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:50" (1/1) ... [2019-11-26 00:27:50,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:50,450 INFO L168 Benchmark]: Toolchain (without parser) took 1515.14 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: 621.1 kB). Peak memory consumption was 686.6 kB. Max. memory is 12.5 GB. [2019-11-26 00:27:50,454 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:50,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1325.80 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 00:27:50,466 INFO L168 Benchmark]: Boogie Preprocessor took 179.01 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:50,474 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 1325.80 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 179.01 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:54,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:54,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:54,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:54,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:54,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:54,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:54,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:54,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:54,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:54,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:54,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:54,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:54,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:54,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:54,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:54,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:54,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:54,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:54,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:54,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:54,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:54,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:54,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:54,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:54,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:54,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:54,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:54,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:54,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:54,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:54,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:54,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:54,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:54,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:54,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:54,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:54,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:54,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:54,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:54,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:54,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:54,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:54,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:54,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:54,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:54,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:54,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:54,494 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:54,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:54,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:54,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:54,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:54,496 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:54,499 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:54,499 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:54,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:54,500 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:54,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:54,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:54,501 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:54,501 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:54,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:54,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:54,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:54,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:54,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:54,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:54,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:54,506 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:54,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:54,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:54,508 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 -> 1b10a804e0729604e263f2723af276809c7bd448 [2019-11-26 00:27:55,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:55,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:55,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:55,114 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:55,117 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:55,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-26 00:27:55,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc05ad62/0e7206ffa81b41458c2c05afb93b595b/FLAGd1bb1c104 [2019-11-26 00:27:56,445 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:56,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-26 00:27:56,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc05ad62/0e7206ffa81b41458c2c05afb93b595b/FLAGd1bb1c104 [2019-11-26 00:27:56,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc05ad62/0e7206ffa81b41458c2c05afb93b595b [2019-11-26 00:27:56,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:56,973 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:56,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:56,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:56,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:56,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:56" (1/1) ... [2019-11-26 00:27:57,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d13d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:57, skipping insertion in model container [2019-11-26 00:27:57,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:56" (1/1) ... [2019-11-26 00:27:57,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:57,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:58,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:58,056 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:58,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:58,330 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:58,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58 WrapperNode [2019-11-26 00:27:58,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:58,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:58,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:58,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:58,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:58,545 INFO L168 Benchmark]: Toolchain (without parser) took 1569.82 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 968.2 MB in the end (delta: -810.2 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:58,550 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:58,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1344.14 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 974.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:58,566 INFO L168 Benchmark]: Boogie Preprocessor took 204.43 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 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. [2019-11-26 00:27:58,572 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1344.14 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 974.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 204.43 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 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...