./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/sum20-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/reducercommutativity/sum20-2.i -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 b9a830c76b1ec266b89b687f3d0377c2fc2011e9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/reducercommutativity/sum20-2.i -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 b9a830c76b1ec266b89b687f3d0377c2fc2011e9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:21:24,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:21:24,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:21:24,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:21:24,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:21:24,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:21:24,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:21:24,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:21:24,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:21:24,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:21:24,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:21:24,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:21:24,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:21:24,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:21:24,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:21:24,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:21:24,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:21:24,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:21:24,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:21:24,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:21:24,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:21:24,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:21:24,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:21:24,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:21:24,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:21:24,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:21:24,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:21:24,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:21:24,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:21:24,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:21:24,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:21:24,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:21:24,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:21:24,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:21:24,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:21:24,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:21:24,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:21:24,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:21:24,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:21:24,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:21:24,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:21:24,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:21:24,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:21:24,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:21:24,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:21:24,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:21:24,606 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:21:24,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:21:24,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:21:24,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:21:24,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:21:24,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:21:24,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:21:24,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:21:24,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:21:24,614 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:21:24,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:21:24,614 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:21:24,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:21:24,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:21:24,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:21:24,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:21:24,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:21:24,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:21:24,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:21:24,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:21:24,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:21:24,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:21:24,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:21:24,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:21:24,623 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 -> b9a830c76b1ec266b89b687f3d0377c2fc2011e9 [2019-11-25 22:21:25,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:21:25,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:21:25,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:21:25,208 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:21:25,210 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:21:25,211 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-25 22:21:25,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e7094391/bf58d69fa8574666a5d4d69ea80142ee/FLAG5c5a5deb8 [2019-11-25 22:21:26,451 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:21:26,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-25 22:21:26,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e7094391/bf58d69fa8574666a5d4d69ea80142ee/FLAG5c5a5deb8 [2019-11-25 22:21:26,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e7094391/bf58d69fa8574666a5d4d69ea80142ee [2019-11-25 22:21:26,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:21:26,522 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:21:26,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:26,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:21:26,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:21:26,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:26,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26, skipping insertion in model container [2019-11-25 22:21:26,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:26,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:21:26,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:21:27,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:27,107 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:21:27,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:27,269 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:21:27,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27 WrapperNode [2019-11-25 22:21:27,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:27,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:27,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:21:27,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:21:27,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27" (1/1) ... [2019-11-25 22:21:27,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27" (1/1) ... [2019-11-25 22:21:27,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:27,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:21:27,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:21:27,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:21:27,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27" (1/1) ... [2019-11-25 22:21:27,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27" (1/1) ... [2019-11-25 22:21:27,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27" (1/1) ... [2019-11-25 22:21:27,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27" (1/1) ... [2019-11-25 22:21:27,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27" (1/1) ... [2019-11-25 22:21:27,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27" (1/1) ... [2019-11-25 22:21:27,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:27" (1/1) ... [2019-11-25 22:21:27,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:21:27,470 INFO L168 Benchmark]: Toolchain (without parser) took 940.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:27,474 INFO L168 Benchmark]: CDTParser took 1.23 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. [2019-11-25 22:21:27,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.45 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:27,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.73 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:27,495 INFO L168 Benchmark]: Boogie Preprocessor took 74.24 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:27,506 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 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 744.45 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.73 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 74.24 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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 0.1.24-65d6cd2 [2019-11-25 22:21:31,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:21:31,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:21:31,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:21:31,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:21:31,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:21:31,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:21:31,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:21:31,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:21:31,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:21:31,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:21:31,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:21:31,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:21:31,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:21:31,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:21:31,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:21:31,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:21:31,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:21:31,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:21:31,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:21:31,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:21:31,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:21:31,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:21:31,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:21:31,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:21:31,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:21:31,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:21:31,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:21:31,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:21:31,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:21:31,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:21:31,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:21:31,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:21:31,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:21:31,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:21:31,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:21:31,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:21:31,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:21:31,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:21:31,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:21:31,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:21:31,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:21:31,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:21:31,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:21:31,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:21:31,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:21:31,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:21:31,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:21:31,610 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:21:31,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:21:31,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:21:31,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:21:31,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:21:31,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:21:31,618 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:21:31,618 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:21:31,618 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:21:31,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:21:31,619 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:21:31,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:21:31,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:21:31,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:21:31,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:21:31,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:21:31,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:21:31,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:21:31,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:21:31,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:21:31,626 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:21:31,627 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:21:31,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:21:31,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:21:31,631 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 -> b9a830c76b1ec266b89b687f3d0377c2fc2011e9 [2019-11-25 22:21:32,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:21:32,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:21:32,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:21:32,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:21:32,200 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:21:32,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-25 22:21:32,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa80a305/e95828b65b394a369a21cddbc6fb7c7c/FLAG706f25594 [2019-11-25 22:21:33,431 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:21:33,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-25 22:21:33,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa80a305/e95828b65b394a369a21cddbc6fb7c7c/FLAG706f25594 [2019-11-25 22:21:33,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa80a305/e95828b65b394a369a21cddbc6fb7c7c [2019-11-25 22:21:33,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:21:33,497 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:21:33,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:33,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:21:33,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:21:33,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:33,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33, skipping insertion in model container [2019-11-25 22:21:33,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:33,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:21:33,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:21:34,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:34,104 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:21:34,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:34,325 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:21:34,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34 WrapperNode [2019-11-25 22:21:34,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:34,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:34,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:21:34,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:21:34,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34" (1/1) ... [2019-11-25 22:21:34,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34" (1/1) ... [2019-11-25 22:21:34,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:34,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:21:34,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:21:34,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:21:34,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34" (1/1) ... [2019-11-25 22:21:34,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34" (1/1) ... [2019-11-25 22:21:34,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34" (1/1) ... [2019-11-25 22:21:34,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34" (1/1) ... [2019-11-25 22:21:34,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34" (1/1) ... [2019-11-25 22:21:34,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34" (1/1) ... [2019-11-25 22:21:34,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:34" (1/1) ... [2019-11-25 22:21:34,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:21:34,570 INFO L168 Benchmark]: Toolchain (without parser) took 1069.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:34,571 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-25 22:21:34,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.10 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:34,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.06 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. [2019-11-25 22:21:34,578 INFO L168 Benchmark]: Boogie Preprocessor took 108.11 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:34,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 829.10 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 123.06 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. * Boogie Preprocessor took 108.11 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 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...