./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/verifythis/prefixsum_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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/verifythis/prefixsum_rec.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfe4f59e301667046d3ef10ba60878cba2d98817 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/prefixsum_rec.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfe4f59e301667046d3ef10ba60878cba2d98817 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:24:58,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:24:58,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:24:58,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:24:58,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:24:58,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:24:58,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:24:58,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:24:58,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:24:58,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:24:58,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:24:58,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:24:58,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:24:58,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:24:58,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:24:58,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:24:58,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:24:58,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:24:58,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:24:58,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:24:58,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:24:58,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:24:58,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:24:58,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:24:58,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:24:58,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:24:58,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:24:58,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:24:58,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:24:58,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:24:58,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:24:58,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:24:58,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:24:58,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:24:58,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:24:58,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:24:58,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:24:58,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:24:58,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:24:58,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:24:58,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:24:58,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-24 22:24:58,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:24:58,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:24:58,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:24:58,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:24:58,583 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:24:58,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:24:58,584 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:24:58,584 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:24:58,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:24:58,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:24:58,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:24:58,586 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:24:58,587 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:24:58,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:24:58,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:24:58,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:24:58,590 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:24:58,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:24:58,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:24:58,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:24:58,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:24:58,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:24:58,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:24:58,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:24:58,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:24:58,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:24:58,595 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-memcleanup) ) 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 -> dfe4f59e301667046d3ef10ba60878cba2d98817 [2019-11-24 22:24:59,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:24:59,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:24:59,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:24:59,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:24:59,180 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:24:59,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-24 22:24:59,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4562dab/463156e0847b4490a631edc6c81a2ca1/FLAG58f928399 [2019-11-24 22:25:00,433 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:25:00,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-24 22:25:00,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4562dab/463156e0847b4490a631edc6c81a2ca1/FLAG58f928399 [2019-11-24 22:25:00,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4562dab/463156e0847b4490a631edc6c81a2ca1 [2019-11-24 22:25:00,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:25:00,505 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:25:00,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:00,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:25:00,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:25:00,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:00" (1/1) ... [2019-11-24 22:25:00,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cca9c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:00, skipping insertion in model container [2019-11-24 22:25:00,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:00" (1/1) ... [2019-11-24 22:25:00,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:25:00,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:25:01,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:25:01,253 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:25:01,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:25:01,372 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:25:01,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:01 WrapperNode [2019-11-24 22:25:01,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:01,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:25:01,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:25:01,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:25:01,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:01" (1/1) ... [2019-11-24 22:25:01,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:01" (1/1) ... [2019-11-24 22:25:01,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:01" (1/1) ... [2019-11-24 22:25:01,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:01" (1/1) ... [2019-11-24 22:25:01,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:01" (1/1) ... [2019-11-24 22:25:01,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:01" (1/1) ... [2019-11-24 22:25:01,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:01" (1/1) ... [2019-11-24 22:25:01,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:25:01,509 INFO L168 Benchmark]: Toolchain (without parser) took 997.04 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 991.5 MB in the end (delta: -29.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:25:01,524 INFO L168 Benchmark]: CDTParser took 1.60 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 22:25:01,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.56 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:01,531 INFO L168 Benchmark]: Boogie Preprocessor took 124.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:25:01,539 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60 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 865.56 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 124.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 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 22:25:05,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:25:05,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:25:05,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:25:05,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:25:05,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:25:05,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:25:05,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:25:05,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:25:05,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:25:05,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:25:05,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:25:05,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:25:05,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:25:05,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:25:05,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:25:05,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:25:05,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:25:05,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:25:05,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:25:05,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:25:05,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:25:05,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:25:05,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:25:05,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:25:05,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:25:05,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:25:05,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:25:05,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:25:05,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:25:05,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:25:05,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:25:05,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:25:05,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:25:05,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:25:05,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:25:05,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:25:05,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:25:05,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:25:05,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:25:05,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:25:05,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-24 22:25:05,756 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:25:05,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:25:05,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:25:05,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:25:05,763 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:25:05,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:25:05,764 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:25:05,764 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:25:05,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:25:05,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:25:05,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:25:05,768 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:25:05,768 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:25:05,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:25:05,769 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:25:05,771 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:25:05,771 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:25:05,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:25:05,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:25:05,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:25:05,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:25:05,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:25:05,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:25:05,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:25:05,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:25:05,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:25:05,777 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:25:05,777 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:25:05,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:25:05,778 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-memcleanup) ) 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 -> dfe4f59e301667046d3ef10ba60878cba2d98817 [2019-11-24 22:25:06,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:25:06,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:25:06,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:25:06,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:25:06,384 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:25:06,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-24 22:25:06,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae909be16/70693b59d1dd4eaeb803b4c0ef3a327e/FLAG529d776e8 [2019-11-24 22:25:07,620 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:25:07,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-24 22:25:07,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae909be16/70693b59d1dd4eaeb803b4c0ef3a327e/FLAG529d776e8 [2019-11-24 22:25:07,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae909be16/70693b59d1dd4eaeb803b4c0ef3a327e [2019-11-24 22:25:07,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:25:07,682 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:25:07,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:07,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:25:07,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:25:07,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:07" (1/1) ... [2019-11-24 22:25:07,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66deb805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:07, skipping insertion in model container [2019-11-24 22:25:07,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:07" (1/1) ... [2019-11-24 22:25:07,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:25:07,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:25:08,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:25:08,455 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:25:08,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:25:08,582 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:25:08,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:08 WrapperNode [2019-11-24 22:25:08,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:08,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:25:08,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:25:08,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:25:08,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:08" (1/1) ... [2019-11-24 22:25:08,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:08" (1/1) ... [2019-11-24 22:25:08,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:08" (1/1) ... [2019-11-24 22:25:08,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:08" (1/1) ... [2019-11-24 22:25:08,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:08" (1/1) ... [2019-11-24 22:25:08,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:08" (1/1) ... [2019-11-24 22:25:08,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:08" (1/1) ... [2019-11-24 22:25:08,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:25:08,734 INFO L168 Benchmark]: Toolchain (without parser) took 1048.02 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 991.5 MB in the end (delta: -29.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:25:08,740 INFO L168 Benchmark]: CDTParser took 1.12 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 22:25:08,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 885.05 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:08,742 INFO L168 Benchmark]: Boogie Preprocessor took 141.10 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:25:08,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 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 885.05 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 141.10 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 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...