./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_prepend_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/sll2c_prepend_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 052353e0eb8597d9bdf886ce67e33d52b41bcb80 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2c_prepend_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 052353e0eb8597d9bdf886ce67e33d52b41bcb80 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:27:54,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:54,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:54,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:54,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:54,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:54,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:54,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:54,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:54,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:54,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:54,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:54,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:54,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:54,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:54,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:54,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:54,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:54,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:54,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:54,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:54,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:54,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:54,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:54,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:54,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:54,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:54,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:54,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:54,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:54,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:54,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:54,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:54,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:54,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:54,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:54,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:54,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:54,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:54,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:54,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:54,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:54,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:54,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:54,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:54,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:54,723 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:54,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:54,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:54,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:54,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:54,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:54,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:54,730 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:54,730 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:54,730 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:54,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:54,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:54,734 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:54,734 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:54,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:54,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:54,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:54,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:54,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:54,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:54,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:54,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:54,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:54,740 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 -> 052353e0eb8597d9bdf886ce67e33d52b41bcb80 [2019-11-26 00:27:55,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:55,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:55,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:55,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:55,355 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:55,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-26 00:27:55,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8c92fbf/03beaf785a9046e393534e32dede020c/FLAGb89a072cb [2019-11-26 00:27:56,666 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:56,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-26 00:27:56,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8c92fbf/03beaf785a9046e393534e32dede020c/FLAGb89a072cb [2019-11-26 00:27:57,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8c92fbf/03beaf785a9046e393534e32dede020c [2019-11-26 00:27:57,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:57,180 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:57,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:57,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:57,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:57,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:57" (1/1) ... [2019-11-26 00:27:57,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f36d4 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 00:27:57,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:57" (1/1) ... [2019-11-26 00:27:57,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:57,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:58,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:58,291 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:58,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:58,567 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:58,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58 WrapperNode [2019-11-26 00:27:58,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:58,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:58,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:58,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:58,604 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 00:27:58,604 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 00:27:58,671 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 00:27:58,675 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 00:27:58,729 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 00:27:58,741 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 00:27:58,754 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 00:27:58,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:58,789 INFO L168 Benchmark]: Toolchain (without parser) took 1592.97 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 974.0 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:58,794 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:58,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1382.56 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:58,802 INFO L168 Benchmark]: Boogie Preprocessor took 197.56 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:58,810 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 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 1382.56 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.56 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 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 00:28:02,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:02,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:02,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:02,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:02,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:02,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:02,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:02,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:02,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:02,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:02,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:02,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:02,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:02,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:02,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:02,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:02,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:02,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:02,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:02,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:02,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:02,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:02,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:02,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:02,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:02,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:02,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:02,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:02,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:02,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:02,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:02,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:02,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:02,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:02,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:02,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:02,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:02,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:02,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:02,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:02,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:02,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:02,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:02,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:02,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:02,787 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:02,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:02,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:02,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:02,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:02,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:02,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:02,795 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:02,795 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:02,796 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:02,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:02,796 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:02,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:02,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:02,797 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:02,797 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:02,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:02,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:02,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:02,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:02,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:02,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:02,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:02,804 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:02,804 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:02,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:02,806 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 -> 052353e0eb8597d9bdf886ce67e33d52b41bcb80 [2019-11-26 00:28:03,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:03,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:03,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:03,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:03,385 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:03,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-26 00:28:03,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d078b6d/710b9e4aecf047c49bcc543971ff4f14/FLAGe382d9c50 [2019-11-26 00:28:04,717 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:04,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-26 00:28:04,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d078b6d/710b9e4aecf047c49bcc543971ff4f14/FLAGe382d9c50 [2019-11-26 00:28:05,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d078b6d/710b9e4aecf047c49bcc543971ff4f14 [2019-11-26 00:28:05,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:05,207 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:05,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:05,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:05,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:05,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:05" (1/1) ... [2019-11-26 00:28:05,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f36d4 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 00:28:05,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:05" (1/1) ... [2019-11-26 00:28:05,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:05,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:06,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:06,320 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:06,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:06,616 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:06,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:06 WrapperNode [2019-11-26 00:28:06,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:06,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:06,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:06,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:06,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:06" (1/1) ... [2019-11-26 00:28:06,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:06" (1/1) ... [2019-11-26 00:28:06,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:06" (1/1) ... [2019-11-26 00:28:06,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:06" (1/1) ... [2019-11-26 00:28:06,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:06" (1/1) ... [2019-11-26 00:28:06,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:06" (1/1) ... [2019-11-26 00:28:06,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:06" (1/1) ... [2019-11-26 00:28:06,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:06,843 INFO L168 Benchmark]: Toolchain (without parser) took 1630.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 974.0 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:06,846 INFO L168 Benchmark]: CDTParser took 0.39 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 00:28:06,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1400.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 979.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:06,850 INFO L168 Benchmark]: Boogie Preprocessor took 211.00 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:06,871 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1400.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 979.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 211.00 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 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...