./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/prefixsum_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/prefixsum_rec.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --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/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/prefixsum_rec.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --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 21:18:28,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:28,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:28,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:28,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:28,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:28,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:28,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:28,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:28,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:28,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:28,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:28,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:28,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:28,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:28,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:28,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:28,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:28,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:28,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:28,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:28,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:28,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:28,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:28,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:28,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:28,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:28,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:28,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:28,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:28,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:28,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:28,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:28,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:28,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:28,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:28,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:28,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:28,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:28,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:28,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:28,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:28,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:28,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:28,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:28,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:28,540 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:28,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:28,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:28,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:28,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:28,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:28,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:28,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:28,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:28,545 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:28,547 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:28,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:28,547 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:28,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:28,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:28,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:28,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:28,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:28,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:28,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:28,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:28,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:28,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:28,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:28,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:28,554 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 ! call(__VERIFIER_error())) ) 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 21:18:29,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:29,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:29,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:29,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:29,199 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:29,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-24 21:18:29,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19cfd74fd/3b176efa39244b3399efe75969cdbcb6/FLAG187feff7a [2019-11-24 21:18:30,455 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:30,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-24 21:18:30,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19cfd74fd/3b176efa39244b3399efe75969cdbcb6/FLAG187feff7a [2019-11-24 21:18:30,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19cfd74fd/3b176efa39244b3399efe75969cdbcb6 [2019-11-24 21:18:30,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:30,512 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:30,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:30,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:30,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:30,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7ae881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30, skipping insertion in model container [2019-11-24 21:18:30,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:30,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:31,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:31,118 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:31,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:31,351 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:31,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31 WrapperNode [2019-11-24 21:18:31,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:31,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:31,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:31,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:31,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31" (1/1) ... [2019-11-24 21:18:31,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31" (1/1) ... [2019-11-24 21:18:31,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:31,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:31,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:31,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:31,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31" (1/1) ... [2019-11-24 21:18:31,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31" (1/1) ... [2019-11-24 21:18:31,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31" (1/1) ... [2019-11-24 21:18:31,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31" (1/1) ... [2019-11-24 21:18:31,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31" (1/1) ... [2019-11-24 21:18:31,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31" (1/1) ... [2019-11-24 21:18:31,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:31" (1/1) ... [2019-11-24 21:18:31,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:31,584 INFO L168 Benchmark]: Toolchain (without parser) took 1053.93 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 985.6 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:31,586 INFO L168 Benchmark]: CDTParser took 1.08 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 21:18:31,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.77 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 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:31,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.09 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:31,597 INFO L168 Benchmark]: Boogie Preprocessor took 81.75 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:31,609 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 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 830.77 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 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 126.09 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 81.75 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:35,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:35,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:35,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:35,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:35,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:35,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:35,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:35,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:35,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:35,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:35,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:35,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:35,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:35,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:35,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:35,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:35,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:35,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:35,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:35,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:35,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:35,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:35,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:35,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:35,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:35,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:35,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:35,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:35,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:35,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:35,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:35,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:35,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:35,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:35,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:35,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:35,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:35,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:35,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:35,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:35,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:35,881 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:35,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:35,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:35,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:35,890 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:35,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:35,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:35,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:35,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:35,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:35,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:35,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:35,898 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:35,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:35,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:35,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:35,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:35,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:35,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:35,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:35,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:35,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:35,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:35,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:35,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:35,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:35,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:35,906 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:35,906 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:35,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:35,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:35,908 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 ! call(__VERIFIER_error())) ) 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 21:18:36,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:36,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:36,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:36,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:36,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:36,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-24 21:18:36,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ffa3ce0/0712e6aec9a04dae8846b8fb5156aa01/FLAGde278c2ff [2019-11-24 21:18:37,723 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:37,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-24 21:18:37,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ffa3ce0/0712e6aec9a04dae8846b8fb5156aa01/FLAGde278c2ff [2019-11-24 21:18:37,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ffa3ce0/0712e6aec9a04dae8846b8fb5156aa01 [2019-11-24 21:18:37,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:37,879 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:37,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:37,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:37,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:37,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:37" (1/1) ... [2019-11-24 21:18:37,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c493f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:37, skipping insertion in model container [2019-11-24 21:18:37,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:37" (1/1) ... [2019-11-24 21:18:37,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:37,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:38,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:38,585 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:38,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:38,841 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:38,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38 WrapperNode [2019-11-24 21:18:38,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:38,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:38,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:38,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:38,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38" (1/1) ... [2019-11-24 21:18:38,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38" (1/1) ... [2019-11-24 21:18:38,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:38,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:38,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:38,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:38,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38" (1/1) ... [2019-11-24 21:18:38,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38" (1/1) ... [2019-11-24 21:18:39,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38" (1/1) ... [2019-11-24 21:18:39,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38" (1/1) ... [2019-11-24 21:18:39,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38" (1/1) ... [2019-11-24 21:18:39,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38" (1/1) ... [2019-11-24 21:18:39,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:38" (1/1) ... [2019-11-24 21:18:39,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:39,093 INFO L168 Benchmark]: Toolchain (without parser) took 1213.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 984.2 MB in the end (delta: -21.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:39,095 INFO L168 Benchmark]: CDTParser took 0.29 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 21:18:39,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:39,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.55 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:39,109 INFO L168 Benchmark]: Boogie Preprocessor took 108.97 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:39,121 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 964.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 132.55 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 108.97 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...