./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 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.24-32f2683 [2019-11-24 20:35:24,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:35:24,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:35:24,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:35:24,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:35:24,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:35:24,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:35:24,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:35:24,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:35:24,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:35:24,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:35:24,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:35:24,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:35:24,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:35:24,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:35:24,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:35:24,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:35:24,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:35:24,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:35:24,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:35:24,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:35:24,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:35:24,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:35:24,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:35:24,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:35:24,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:35:24,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:35:24,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:35:24,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:35:24,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:35:24,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:35:24,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:35:24,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:35:24,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:35:24,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:35:24,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:35:24,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:35:24,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:35:24,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:35:24,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:35:24,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:35:24,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:35:24,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:35:24,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:35:24,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:35:24,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:35:24,371 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:35:24,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:35:24,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:35:24,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:35:24,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:35:24,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:35:24,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:35:24,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:35:24,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:35:24,378 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:35:24,379 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:35:24,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:35:24,382 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:35:24,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:35:24,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:35:24,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:35:24,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:35:24,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:35:24,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:35:24,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:35:24,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:35:24,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:35:24,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:35:24,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:35:24,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:35:24,388 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 [2019-11-24 20:35:24,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:35:24,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:35:25,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:35:25,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:35:25,009 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:35:25,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-24 20:35:25,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bbdcc064/64cca0110c0243418b60de481763a6e9/FLAGe11daf730 [2019-11-24 20:35:26,239 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:35:26,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-24 20:35:26,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bbdcc064/64cca0110c0243418b60de481763a6e9/FLAGe11daf730 [2019-11-24 20:35:26,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bbdcc064/64cca0110c0243418b60de481763a6e9 [2019-11-24 20:35:26,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:35:26,305 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:35:26,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:26,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:35:26,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:35:26,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26, skipping insertion in model container [2019-11-24 20:35:26,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:35:26,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:35:26,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:26,903 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:35:26,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:27,063 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:35:27,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27 WrapperNode [2019-11-24 20:35:27,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:27,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:27,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:35:27,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:35:27,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27" (1/1) ... [2019-11-24 20:35:27,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27" (1/1) ... [2019-11-24 20:35:27,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:27,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:35:27,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:35:27,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:35:27,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27" (1/1) ... [2019-11-24 20:35:27,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27" (1/1) ... [2019-11-24 20:35:27,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27" (1/1) ... [2019-11-24 20:35:27,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27" (1/1) ... [2019-11-24 20:35:27,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27" (1/1) ... [2019-11-24 20:35:27,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27" (1/1) ... [2019-11-24 20:35:27,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:27" (1/1) ... [2019-11-24 20:35:27,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:35:27,272 INFO L168 Benchmark]: Toolchain (without parser) took 962.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:27,273 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:27,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:27,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.82 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. [2019-11-24 20:35:27,295 INFO L168 Benchmark]: Boogie Preprocessor took 72.17 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:27,306 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 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 752.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 108.82 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. * Boogie Preprocessor took 72.17 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 20:35:31,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:35:31,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:35:31,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:35:31,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:35:31,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:35:31,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:35:31,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:35:31,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:35:31,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:35:31,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:35:31,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:35:31,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:35:31,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:35:31,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:35:31,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:35:31,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:35:31,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:35:31,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:35:31,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:35:31,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:35:31,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:35:31,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:35:31,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:35:31,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:35:31,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:35:31,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:35:31,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:35:31,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:35:31,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:35:31,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:35:31,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:35:31,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:35:31,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:35:31,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:35:31,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:35:31,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:35:31,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:35:31,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:35:31,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:35:31,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:35:31,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:35:31,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:35:31,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:35:31,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:35:31,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:35:31,409 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:35:31,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:35:31,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:35:31,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:35:31,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:35:31,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:35:31,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:35:31,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:35:31,415 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:35:31,416 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:35:31,416 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:35:31,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:35:31,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:35:31,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:35:31,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:35:31,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:35:31,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:35:31,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:35:31,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:35:31,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:35:31,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:35:31,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:35:31,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:35:31,425 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:35:31,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:35:31,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:35:31,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:35:31,428 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 [2019-11-24 20:35:31,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:35:32,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:35:32,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:35:32,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:35:32,042 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:35:32,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-24 20:35:32,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbeb7c49/a8cd34719a824f1ba003b0fd9e2e5027/FLAG8c0bd3c14 [2019-11-24 20:35:33,284 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:35:33,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum20-2.i [2019-11-24 20:35:33,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbeb7c49/a8cd34719a824f1ba003b0fd9e2e5027/FLAG8c0bd3c14 [2019-11-24 20:35:33,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbeb7c49/a8cd34719a824f1ba003b0fd9e2e5027 [2019-11-24 20:35:33,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:35:33,362 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:35:33,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:33,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:35:33,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:35:33,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,386 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 24.11 08:35:33, skipping insertion in model container [2019-11-24 20:35:33,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:35:33,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:35:33,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:33,941 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:35:34,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:34,157 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:35:34,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34 WrapperNode [2019-11-24 20:35:34,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:34,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:34,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:35:34,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:35:34,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34" (1/1) ... [2019-11-24 20:35:34,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34" (1/1) ... [2019-11-24 20:35:34,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:34,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:35:34,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:35:34,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:35:34,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34" (1/1) ... [2019-11-24 20:35:34,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34" (1/1) ... [2019-11-24 20:35:34,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34" (1/1) ... [2019-11-24 20:35:34,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34" (1/1) ... [2019-11-24 20:35:34,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34" (1/1) ... [2019-11-24 20:35:34,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34" (1/1) ... [2019-11-24 20:35:34,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:34" (1/1) ... [2019-11-24 20:35:34,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:35:34,414 INFO L168 Benchmark]: Toolchain (without parser) took 1045.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:34,415 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:34,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.51 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:34,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.32 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:34,425 INFO L168 Benchmark]: Boogie Preprocessor took 112.90 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:34,434 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 794.51 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 128.32 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 112.90 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...