./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_non_eq-2.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 301c54c8b861008a1cf318e5b7f3396bc86db7c8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/recursive-simple/sum_non_eq-2.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 301c54c8b861008a1cf318e5b7f3396bc86db7c8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:00:10,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:10,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:10,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:10,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:10,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:10,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:10,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:10,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:10,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:10,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:10,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:10,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:10,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:10,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:10,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:10,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:10,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:10,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:10,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:10,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:10,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:10,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:10,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:10,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:10,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:10,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:10,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:10,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:10,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:10,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:10,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:10,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:10,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:10,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:10,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:10,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:10,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:10,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:10,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:10,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:10,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:10,534 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:10,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:10,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:10,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:10,542 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:10,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:10,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:10,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:10,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:10,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:10,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:10,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:10,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:10,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:10,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:10,550 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:10,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:10,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:10,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:10,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:10,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:10,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:10,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:10,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:10,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:10,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:10,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:10,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:10,559 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 -> 301c54c8b861008a1cf318e5b7f3396bc86db7c8 [2019-11-27 10:00:11,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:11,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:11,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:11,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:11,203 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:11,205 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2019-11-27 10:00:11,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c83e7bfed/fac8b5fc1ebe4fc4adb6bd1176e0d5b5/FLAG08b9ea709 [2019-11-27 10:00:12,450 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:12,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2019-11-27 10:00:12,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c83e7bfed/fac8b5fc1ebe4fc4adb6bd1176e0d5b5/FLAG08b9ea709 [2019-11-27 10:00:12,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c83e7bfed/fac8b5fc1ebe4fc4adb6bd1176e0d5b5 [2019-11-27 10:00:12,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:12,521 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:12,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:12,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:12,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:12,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12, skipping insertion in model container [2019-11-27 10:00:12,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:12,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:13,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:13,077 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:13,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:13,155 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:13,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13 WrapperNode [2019-11-27 10:00:13,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:13,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:13,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:13,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:13,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:13,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,397 INFO L168 Benchmark]: Toolchain (without parser) took 869.50 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:13,402 INFO L168 Benchmark]: CDTParser took 1.87 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 10:00:13,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.34 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 10:00:13,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.75 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:13,413 INFO L168 Benchmark]: Boogie Preprocessor took 46.61 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:13,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87 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 635.34 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 Procedure Inliner took 179.75 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.61 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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-da95e15 [2019-11-27 10:00:17,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:17,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:17,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:17,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:17,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:17,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:17,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:17,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:17,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:17,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:17,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:17,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:17,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:17,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:17,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:17,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:17,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:17,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:17,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:17,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:17,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:17,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:17,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:17,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:17,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:17,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:17,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:17,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:17,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:17,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:17,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:17,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:17,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:17,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:17,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:17,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:17,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:17,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:17,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:17,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:17,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:17,727 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:17,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:17,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:17,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:17,737 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:17,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:17,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:17,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:17,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:17,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:17,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:17,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:17,742 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:17,743 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:17,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:17,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:17,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:17,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:17,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:17,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:17,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:17,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:17,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:17,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:17,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:17,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:17,752 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:17,753 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:17,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:17,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:17,757 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 -> 301c54c8b861008a1cf318e5b7f3396bc86db7c8 [2019-11-27 10:00:18,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:18,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:18,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:18,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:18,431 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:18,433 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2019-11-27 10:00:18,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d979efa78/efcbc9ed04a74b3c9255d08d9a818ddb/FLAGb3e095f47 [2019-11-27 10:00:19,629 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:19,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2019-11-27 10:00:19,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d979efa78/efcbc9ed04a74b3c9255d08d9a818ddb/FLAGb3e095f47 [2019-11-27 10:00:19,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d979efa78/efcbc9ed04a74b3c9255d08d9a818ddb [2019-11-27 10:00:19,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:19,703 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:19,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:19,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:19,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:19,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19, skipping insertion in model container [2019-11-27 10:00:19,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:19,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:20,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:20,244 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:20,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:20,317 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:20,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20 WrapperNode [2019-11-27 10:00:20,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:20,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:20,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:20,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:20,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:20,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:20,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:20,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:20,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:20,545 INFO L168 Benchmark]: Toolchain (without parser) took 841.16 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:20,549 INFO L168 Benchmark]: CDTParser took 2.94 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. [2019-11-27 10:00:20,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.69 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:20,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:20,557 INFO L168 Benchmark]: Boogie Preprocessor took 54.34 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:20,569 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.94 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 613.69 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.34 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...