./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/list_flag-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-properties/list_flag-2.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 afc88cbf4886a453fed887733400308a528b9724 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-properties/list_flag-2.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 afc88cbf4886a453fed887733400308a528b9724 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:22:59,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:22:59,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:22:59,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:22:59,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:22:59,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:22:59,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:22:59,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:22:59,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:22:59,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:22:59,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:22:59,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:22:59,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:22:59,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:22:59,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:22:59,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:22:59,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:22:59,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:22:59,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:22:59,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:22:59,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:22:59,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:22:59,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:22:59,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:22:59,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:22:59,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:22:59,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:22:59,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:22:59,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:22:59,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:22:59,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:22:59,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:22:59,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:22:59,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:22:59,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:22:59,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:22:59,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:22:59,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:22:59,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:22:59,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:22:59,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:22:59,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:22:59,670 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:22:59,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:22:59,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:22:59,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:22:59,679 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:22:59,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:22:59,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:22:59,680 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:22:59,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:22:59,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:22:59,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:22:59,687 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:22:59,687 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:22:59,688 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:22:59,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:22:59,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:22:59,689 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:22:59,689 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:22:59,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:22:59,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:22:59,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:22:59,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:22:59,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:22:59,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:22:59,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:22:59,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:22:59,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:22:59,695 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 -> afc88cbf4886a453fed887733400308a528b9724 [2019-11-24 22:23:00,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:00,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:00,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:00,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:00,290 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:00,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-24 22:23:00,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11b6c16b0/e6688e1e53214567bfcdeff8c5474944/FLAG0c135c387 [2019-11-24 22:23:01,738 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:01,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-24 22:23:01,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11b6c16b0/e6688e1e53214567bfcdeff8c5474944/FLAG0c135c387 [2019-11-24 22:23:01,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11b6c16b0/e6688e1e53214567bfcdeff8c5474944 [2019-11-24 22:23:01,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:01,837 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:01,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:01,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:01,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:01,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01, skipping insertion in model container [2019-11-24 22:23:01,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:01,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:02,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:02,939 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:03,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:03,215 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:03,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03 WrapperNode [2019-11-24 22:23:03,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:03,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:03,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:03,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:03,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:03,411 INFO L168 Benchmark]: Toolchain (without parser) took 1572.58 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 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:03,425 INFO L168 Benchmark]: CDTParser took 1.69 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:03,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1379.01 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:03,430 INFO L168 Benchmark]: Boogie Preprocessor took 181.54 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:03,437 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69 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 1379.01 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.54 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:07,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:07,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:07,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:07,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:07,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:07,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:07,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:07,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:07,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:07,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:07,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:07,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:07,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:07,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:07,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:07,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:07,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:07,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:07,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:07,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:07,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:07,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:07,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:07,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:07,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:07,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:07,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:07,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:07,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:07,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:07,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:07,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:07,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:07,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:07,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:07,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:07,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:07,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:07,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:07,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:07,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:07,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:07,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:07,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:07,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:07,623 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:07,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:07,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:07,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:07,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:07,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:07,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:07,627 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:07,629 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:07,630 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:07,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:07,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:07,632 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:07,632 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:07,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:07,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:07,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:07,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:07,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:07,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:07,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:07,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:07,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:07,640 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:07,640 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:07,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:07,642 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 -> afc88cbf4886a453fed887733400308a528b9724 [2019-11-24 22:23:08,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:08,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:08,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:08,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:08,305 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:08,308 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-24 22:23:08,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/accfdc981/22492f738e044954b02bfad0f2076a46/FLAG1ad8ab1fd [2019-11-24 22:23:09,565 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:09,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-24 22:23:09,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/accfdc981/22492f738e044954b02bfad0f2076a46/FLAG1ad8ab1fd [2019-11-24 22:23:09,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/accfdc981/22492f738e044954b02bfad0f2076a46 [2019-11-24 22:23:09,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:09,636 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:09,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:09,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:09,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:09,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:09" (1/1) ... [2019-11-24 22:23:09,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1860fc89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:09, skipping insertion in model container [2019-11-24 22:23:09,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:09" (1/1) ... [2019-11-24 22:23:09,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:09,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:10,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:10,762 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:10,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:11,034 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:11,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11 WrapperNode [2019-11-24 22:23:11,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:11,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:11,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:11,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:11,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:11,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:11,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:11,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:11,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:11,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:11,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:11,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:11,239 INFO L168 Benchmark]: Toolchain (without parser) took 1602.01 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 979.6 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:11,240 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:11,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1399.01 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 979.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:11,246 INFO L168 Benchmark]: Boogie Preprocessor took 194.86 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:11,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 1399.01 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 979.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.86 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...