./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/sum40-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/sum40-2.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 c6fb4e99899b3588676d4f717aa2062c2fd1afd7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sum40-2.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 c6fb4e99899b3588676d4f717aa2062c2fd1afd7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:29:37,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:37,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:37,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:37,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:37,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:37,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:37,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:37,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:37,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:37,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:37,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:37,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:37,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:37,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:37,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:37,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:37,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:37,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:37,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:37,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:37,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:37,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:37,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:37,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:37,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:37,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:37,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:37,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:37,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:37,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:37,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:37,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:37,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:37,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:37,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:37,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:37,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:37,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:37,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:37,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:37,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:29:37,407 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:37,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:37,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:37,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:37,417 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:37,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:37,418 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:37,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:29:37,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:37,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:37,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:37,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:37,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:37,421 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:37,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:37,422 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:37,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:37,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:37,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:37,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:37,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:37,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:37,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:37,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:37,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:37,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:29:37,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:29:37,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:37,430 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 -> c6fb4e99899b3588676d4f717aa2062c2fd1afd7 [2019-11-26 16:29:38,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:38,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:38,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:38,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:38,083 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:38,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum40-2.i [2019-11-26 16:29:38,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2b6e763/c41009fc6768489a8486160346df1dcc/FLAG798243943 [2019-11-26 16:29:39,277 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:39,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum40-2.i [2019-11-26 16:29:39,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2b6e763/c41009fc6768489a8486160346df1dcc/FLAG798243943 [2019-11-26 16:29:39,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2b6e763/c41009fc6768489a8486160346df1dcc [2019-11-26 16:29:39,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:39,351 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:39,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:39,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:39,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:39,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,375 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 26.11 04:29:39, skipping insertion in model container [2019-11-26 16:29:39,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:39,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:39,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:39,979 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:40,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:40,187 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:40,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40 WrapperNode [2019-11-26 16:29:40,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:40,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:40,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:40,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:40,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40" (1/1) ... [2019-11-26 16:29:40,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40" (1/1) ... [2019-11-26 16:29:40,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:40,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:40,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:40,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:40,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40" (1/1) ... [2019-11-26 16:29:40,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40" (1/1) ... [2019-11-26 16:29:40,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40" (1/1) ... [2019-11-26 16:29:40,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40" (1/1) ... [2019-11-26 16:29:40,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40" (1/1) ... [2019-11-26 16:29:40,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40" (1/1) ... [2019-11-26 16:29:40,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:40" (1/1) ... [2019-11-26 16:29:40,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:40,347 INFO L168 Benchmark]: Toolchain (without parser) took 989.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:40,349 INFO L168 Benchmark]: CDTParser took 1.33 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. [2019-11-26 16:29:40,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.9 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:40,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.51 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. [2019-11-26 16:29:40,370 INFO L168 Benchmark]: Boogie Preprocessor took 68.27 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. [2019-11-26 16:29:40,381 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 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 833.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.9 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 77.51 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 68.27 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:29:44,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:44,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:44,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:44,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:44,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:44,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:44,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:44,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:44,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:44,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:44,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:44,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:44,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:44,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:44,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:44,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:44,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:44,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:44,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:44,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:44,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:44,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:44,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:44,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:44,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:44,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:44,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:44,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:44,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:44,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:44,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:44,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:44,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:44,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:44,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:44,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:44,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:44,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:44,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:44,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:44,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:29:44,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:44,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:44,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:44,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:44,466 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:44,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:44,467 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:44,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:44,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:44,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:44,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:44,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:44,473 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:29:44,473 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:29:44,473 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:44,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:44,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:44,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:44,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:44,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:44,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:44,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:44,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:44,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:44,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:44,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:44,481 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:29:44,483 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:29:44,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:44,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:29:44,485 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 -> c6fb4e99899b3588676d4f717aa2062c2fd1afd7 [2019-11-26 16:29:45,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:45,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:45,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:45,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:45,097 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:45,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum40-2.i [2019-11-26 16:29:45,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372ba3728/c1f5f2e6ad9b463eaea8e6c959b3cdd5/FLAG56f6d1b1d [2019-11-26 16:29:46,330 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:46,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum40-2.i [2019-11-26 16:29:46,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372ba3728/c1f5f2e6ad9b463eaea8e6c959b3cdd5/FLAG56f6d1b1d [2019-11-26 16:29:46,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372ba3728/c1f5f2e6ad9b463eaea8e6c959b3cdd5 [2019-11-26 16:29:46,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:46,402 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:46,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:46,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:46,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:46,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,429 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 26.11 04:29:46, skipping insertion in model container [2019-11-26 16:29:46,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:46,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:46,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:47,013 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:47,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:47,256 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:47,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47 WrapperNode [2019-11-26 16:29:47,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:47,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:47,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:47,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:47,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47" (1/1) ... [2019-11-26 16:29:47,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47" (1/1) ... [2019-11-26 16:29:47,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:47,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:47,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:47,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:47,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47" (1/1) ... [2019-11-26 16:29:47,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47" (1/1) ... [2019-11-26 16:29:47,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47" (1/1) ... [2019-11-26 16:29:47,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47" (1/1) ... [2019-11-26 16:29:47,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47" (1/1) ... [2019-11-26 16:29:47,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47" (1/1) ... [2019-11-26 16:29:47,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:47" (1/1) ... [2019-11-26 16:29:47,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:47,452 INFO L168 Benchmark]: Toolchain (without parser) took 1046.80 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. [2019-11-26 16:29:47,453 INFO L168 Benchmark]: CDTParser took 0.40 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. [2019-11-26 16:29:47,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.12 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. [2019-11-26 16:29:47,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.10 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. [2019-11-26 16:29:47,463 INFO L168 Benchmark]: Boogie Preprocessor took 82.96 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. [2019-11-26 16:29:47,478 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 854.12 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 100.10 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 82.96 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...