./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 509859d6 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 0.1.24-509859d [2019-11-27 15:38:22,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:22,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:22,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:22,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:22,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:22,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:22,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:22,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:22,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:22,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:22,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:22,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:22,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:22,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:22,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:22,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:22,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:22,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:22,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:22,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:22,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:22,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:22,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:22,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:22,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:22,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:22,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:22,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:22,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:22,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:22,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:22,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:22,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:22,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:22,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:22,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:22,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:22,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:22,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:22,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:22,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:22,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:22,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:22,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:22,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:22,394 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:22,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:22,395 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:22,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:22,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:22,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:22,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:22,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:22,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:22,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:22,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:22,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:22,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:22,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:22,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:22,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:22,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:22,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:22,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:22,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:22,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:22,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:22,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:22,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:22,412 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 [2019-11-27 15:38:23,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:23,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:23,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:23,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:23,047 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:23,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-27 15:38:23,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d216b369/5d4acc732ebf4fe698ad464f7c6a5836/FLAG60ea5ecff [2019-11-27 15:38:24,282 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:24,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-27 15:38:24,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d216b369/5d4acc732ebf4fe698ad464f7c6a5836/FLAG60ea5ecff [2019-11-27 15:38:24,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d216b369/5d4acc732ebf4fe698ad464f7c6a5836 [2019-11-27 15:38:24,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:24,358 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:24,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:24,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:24,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:24,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24, skipping insertion in model container [2019-11-27 15:38:24,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:24,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:24,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:24,949 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:25,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:25,129 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:25,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25 WrapperNode [2019-11-27 15:38:25,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:25,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:25,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:25,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:25,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25" (1/1) ... [2019-11-27 15:38:25,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25" (1/1) ... [2019-11-27 15:38:25,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:25,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:25,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:25,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:25,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25" (1/1) ... [2019-11-27 15:38:25,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25" (1/1) ... [2019-11-27 15:38:25,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25" (1/1) ... [2019-11-27 15:38:25,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25" (1/1) ... [2019-11-27 15:38:25,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25" (1/1) ... [2019-11-27 15:38:25,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25" (1/1) ... [2019-11-27 15:38:25,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:25" (1/1) ... [2019-11-27 15:38:25,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:25,331 INFO L168 Benchmark]: Toolchain (without parser) took 970.38 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. [2019-11-27 15:38:25,332 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:25,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.54 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. [2019-11-27 15:38:25,350 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.42 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. [2019-11-27 15:38:25,354 INFO L168 Benchmark]: Boogie Preprocessor took 80.27 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. [2019-11-27 15:38:25,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 766.54 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 107.42 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 80.27 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 0.1.24-509859d [2019-11-27 15:38:29,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:29,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:29,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:29,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:29,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:29,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:29,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:29,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:29,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:29,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:29,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:29,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:29,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:29,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:29,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:29,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:29,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:29,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:29,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:29,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:29,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:29,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:29,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:29,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:29,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:29,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:29,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:29,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:29,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:29,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:29,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:29,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:29,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:29,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:29,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:29,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:29,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:29,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:29,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:29,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:29,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:29,418 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:29,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:29,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:29,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:29,426 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:29,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:29,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:29,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:29,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:29,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:29,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:29,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:29,431 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:29,434 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:29,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:29,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:29,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:29,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:29,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:29,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:29,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:29,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:29,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:29,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:29,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:29,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:29,441 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:29,441 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:29,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:29,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:29,443 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 [2019-11-27 15:38:30,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:30,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:30,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:30,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:30,146 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:30,148 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-27 15:38:30,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07eddbdb3/e5a39ab36c57449fba01dd80eb19e126/FLAG5c9b4c501 [2019-11-27 15:38:31,317 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:31,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-27 15:38:31,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07eddbdb3/e5a39ab36c57449fba01dd80eb19e126/FLAG5c9b4c501 [2019-11-27 15:38:31,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07eddbdb3/e5a39ab36c57449fba01dd80eb19e126 [2019-11-27 15:38:31,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:31,386 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:31,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:31,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:31,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:31,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d00d6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31, skipping insertion in model container [2019-11-27 15:38:31,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:31,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:31,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:31,982 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:32,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:32,170 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:32,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32 WrapperNode [2019-11-27 15:38:32,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:32,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:32,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:32,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:32,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32" (1/1) ... [2019-11-27 15:38:32,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32" (1/1) ... [2019-11-27 15:38:32,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:32,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:32,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:32,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:32,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32" (1/1) ... [2019-11-27 15:38:32,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32" (1/1) ... [2019-11-27 15:38:32,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32" (1/1) ... [2019-11-27 15:38:32,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32" (1/1) ... [2019-11-27 15:38:32,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32" (1/1) ... [2019-11-27 15:38:32,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32" (1/1) ... [2019-11-27 15:38:32,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:32" (1/1) ... [2019-11-27 15:38:32,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:32,340 INFO L168 Benchmark]: Toolchain (without parser) took 952.32 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:32,342 INFO L168 Benchmark]: CDTParser took 2.82 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 15:38:32,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.97 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:32,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.65 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. [2019-11-27 15:38:32,349 INFO L168 Benchmark]: Boogie Preprocessor took 84.42 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. [2019-11-27 15:38:32,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.82 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 783.97 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 78.65 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 84.42 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...