./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext3/derefAfterFree1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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/memsafety-ext3/derefAfterFree1.c -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 d452f938d74713dbff7e0330f8ef393409d67ffe ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/memsafety-ext3/derefAfterFree1.c -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 d452f938d74713dbff7e0330f8ef393409d67ffe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:46,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:46,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:46,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:46,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:46,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:46,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:46,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:46,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:46,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:46,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:46,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:46,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:46,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:46,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:46,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:46,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:46,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:46,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:46,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:46,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:46,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:46,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:46,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:46,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:46,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:46,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:46,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:46,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:46,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:46,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:46,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:46,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:46,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:46,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:46,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:46,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:46,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:46,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:46,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:46,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:46,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:46,745 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:46,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:46,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:46,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:46,753 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:46,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:46,756 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:46,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:46,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:46,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:46,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:46,760 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:46,761 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:46,761 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:46,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:46,762 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:46,762 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:46,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:46,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:46,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:46,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:46,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:46,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:46,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:46,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:46,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:46,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:46,770 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 -> d452f938d74713dbff7e0330f8ef393409d67ffe [2019-11-27 11:23:47,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:47,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:47,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:47,388 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:47,390 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:47,393 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefAfterFree1.c [2019-11-27 11:23:47,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1669c3843/e7500b212c054244a13ff1510597db4f/FLAGc6d966c5a [2019-11-27 11:23:48,581 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:48,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefAfterFree1.c [2019-11-27 11:23:48,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1669c3843/e7500b212c054244a13ff1510597db4f/FLAGc6d966c5a [2019-11-27 11:23:48,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1669c3843/e7500b212c054244a13ff1510597db4f [2019-11-27 11:23:48,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:48,647 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:48,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:48,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:48,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:48,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:48" (1/1) ... [2019-11-27 11:23:48,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de48f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:48, skipping insertion in model container [2019-11-27 11:23:48,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:48" (1/1) ... [2019-11-27 11:23:48,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:48,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:49,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:49,197 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:49,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:49,262 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:49,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:49 WrapperNode [2019-11-27 11:23:49,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:49,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:49,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:49,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:49,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:49" (1/1) ... [2019-11-27 11:23:49,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:49" (1/1) ... [2019-11-27 11:23:49,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:49" (1/1) ... [2019-11-27 11:23:49,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:49" (1/1) ... [2019-11-27 11:23:49,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:49" (1/1) ... [2019-11-27 11:23:49,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:49" (1/1) ... [2019-11-27 11:23:49,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:49" (1/1) ... [2019-11-27 11:23:49,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:49,438 INFO L168 Benchmark]: Toolchain (without parser) took 782.99 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:49,441 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. [2019-11-27 11:23:49,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.64 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:49,450 INFO L168 Benchmark]: Boogie Preprocessor took 162.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:49,460 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 612.64 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 162.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 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-da95e15 [2019-11-27 11:23:53,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:53,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:53,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:53,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:53,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:53,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:53,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:53,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:53,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:53,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:53,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:53,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:53,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:53,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:53,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:53,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:53,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:53,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:53,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:53,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:53,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:53,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:53,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:53,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:53,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:53,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:53,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:53,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:53,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:53,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:53,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:53,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:53,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:53,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:53,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:53,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:53,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:53,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:53,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:53,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:53,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:53,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:53,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:53,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:53,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:53,573 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:53,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:53,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:53,574 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:53,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:53,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:53,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:53,578 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:53,581 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:53,582 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:53,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:53,582 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:53,583 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:53,583 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:53,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:53,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:53,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:53,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:53,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:53,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:53,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:53,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:53,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:53,590 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:53,590 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:53,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:53,593 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 -> d452f938d74713dbff7e0330f8ef393409d67ffe [2019-11-27 11:23:54,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:54,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:54,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:54,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:54,225 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:54,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefAfterFree1.c [2019-11-27 11:23:54,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d366a4c/b962dcd164894946b9ba85cadd11f9de/FLAG2a702d61f [2019-11-27 11:23:55,464 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:55,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefAfterFree1.c [2019-11-27 11:23:55,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d366a4c/b962dcd164894946b9ba85cadd11f9de/FLAG2a702d61f [2019-11-27 11:23:55,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d366a4c/b962dcd164894946b9ba85cadd11f9de [2019-11-27 11:23:55,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:55,534 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:55,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:55,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:55,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:55,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:55" (1/1) ... [2019-11-27 11:23:55,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10157b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:55, skipping insertion in model container [2019-11-27 11:23:55,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:55" (1/1) ... [2019-11-27 11:23:55,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:55,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:56,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:56,051 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:56,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:56,130 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:56,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:56 WrapperNode [2019-11-27 11:23:56,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:56,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:56,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:56,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:56,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:56" (1/1) ... [2019-11-27 11:23:56,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:56" (1/1) ... [2019-11-27 11:23:56,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:56" (1/1) ... [2019-11-27 11:23:56,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:56" (1/1) ... [2019-11-27 11:23:56,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:56" (1/1) ... [2019-11-27 11:23:56,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:56" (1/1) ... [2019-11-27 11:23:56,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:56" (1/1) ... [2019-11-27 11:23:56,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:56,301 INFO L168 Benchmark]: Toolchain (without parser) took 765.29 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 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:56,303 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:56,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.97 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:56,309 INFO L168 Benchmark]: Boogie Preprocessor took 163.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:56,323 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 593.97 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 163.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...