./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c --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/array-multidimensional/diff-2-n-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72ce1245f59628ebd25ecb71ecfbce2c96f28037 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/array-multidimensional/diff-2-n-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72ce1245f59628ebd25ecb71ecfbce2c96f28037 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:39:08,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:39:08,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:39:08,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:39:08,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:39:08,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:39:08,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:39:08,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:39:08,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:39:08,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:39:08,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:39:08,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:39:08,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:39:08,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:39:08,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:39:08,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:39:08,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:39:08,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:39:08,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:39:08,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:39:08,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:39:08,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:39:08,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:39:08,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:39:08,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:39:08,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:39:08,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:39:08,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:39:08,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:39:08,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:39:08,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:39:08,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:39:08,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:39:08,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:39:08,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:39:08,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:39:08,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:39:08,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:39:08,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:39:08,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:39:08,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:39:08,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:39:08,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:39:08,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:39:08,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:39:08,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:39:08,376 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:39:08,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:39:08,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:39:08,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:39:08,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:39:08,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:39:08,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:39:08,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:39:08,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:39:08,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:39:08,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:39:08,382 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:39:08,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:39:08,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:39:08,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:39:08,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:39:08,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:39:08,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:39:08,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:39:08,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:39:08,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:39:08,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:39:08,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:39:08,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:39:08,388 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 -> 72ce1245f59628ebd25ecb71ecfbce2c96f28037 [2019-11-27 15:39:08,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:39:08,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:39:08,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:39:08,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:39:08,905 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:39:08,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2019-11-27 15:39:09,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/534984878/5c514af5388441adb5bcc5831675ab52/FLAG71f49deb5 [2019-11-27 15:39:09,724 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:39:09,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2019-11-27 15:39:09,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/534984878/5c514af5388441adb5bcc5831675ab52/FLAG71f49deb5 [2019-11-27 15:39:10,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/534984878/5c514af5388441adb5bcc5831675ab52 [2019-11-27 15:39:10,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:39:10,049 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:39:10,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:10,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:39:10,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:39:10,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785470ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10, skipping insertion in model container [2019-11-27 15:39:10,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:39:10,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:39:10,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:10,429 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:39:10,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:10,554 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:39:10,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10 WrapperNode [2019-11-27 15:39:10,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:10,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:10,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:39:10,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:39:10,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:10,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:39:10,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:39:10,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:39:10,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:10" (1/1) ... [2019-11-27 15:39:10,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:39:10,692 INFO L168 Benchmark]: Toolchain (without parser) took 638.17 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 990.0 MB in the end (delta: -28.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:10,705 INFO L168 Benchmark]: CDTParser took 0.25 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 15:39:10,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 990.0 MB in the end (delta: -28.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:10,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.06 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:10,709 INFO L168 Benchmark]: Boogie Preprocessor took 56.06 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:10,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 504.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 990.0 MB in the end (delta: -28.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 72.06 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.06 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:39:13,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:39:13,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:39:13,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:39:13,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:39:13,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:39:13,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:39:13,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:39:13,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:39:13,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:39:13,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:39:13,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:39:13,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:39:13,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:39:13,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:39:13,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:39:13,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:39:13,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:39:13,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:39:13,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:39:13,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:39:13,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:39:13,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:39:13,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:39:13,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:39:13,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:39:13,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:39:13,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:39:13,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:39:13,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:39:13,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:39:13,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:39:13,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:39:13,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:39:13,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:39:13,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:39:13,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:39:13,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:39:13,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:39:13,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:39:13,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:39:13,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:39:13,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:39:13,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:39:13,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:39:13,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:39:13,566 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:39:13,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:39:13,566 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:39:13,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:39:13,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:39:13,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:39:13,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:39:13,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:39:13,568 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:39:13,571 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:39:13,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:39:13,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:39:13,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:39:13,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:39:13,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:39:13,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:39:13,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:39:13,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:39:13,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:39:13,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:39:13,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:39:13,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:39:13,576 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:39:13,576 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:39:13,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:39:13,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:39:13,577 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 -> 72ce1245f59628ebd25ecb71ecfbce2c96f28037 [2019-11-27 15:39:14,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:39:14,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:39:14,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:39:14,030 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:39:14,032 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:39:14,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2019-11-27 15:39:14,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e009bbab1/0f9dc094882c41a5ad40555134b1f102/FLAG474d0956b [2019-11-27 15:39:14,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:39:14,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2019-11-27 15:39:14,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e009bbab1/0f9dc094882c41a5ad40555134b1f102/FLAG474d0956b [2019-11-27 15:39:15,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e009bbab1/0f9dc094882c41a5ad40555134b1f102 [2019-11-27 15:39:15,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:39:15,191 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:39:15,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:15,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:39:15,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:39:15,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785470ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15, skipping insertion in model container [2019-11-27 15:39:15,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:39:15,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:39:15,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:15,591 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:39:15,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:15,771 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:39:15,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15 WrapperNode [2019-11-27 15:39:15,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:15,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:15,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:39:15,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:39:15,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:15,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:39:15,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:39:15,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:39:15,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:39:15,916 INFO L168 Benchmark]: Toolchain (without parser) took 720.92 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 984.3 MB in the end (delta: -16.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:15,917 INFO L168 Benchmark]: CDTParser took 0.23 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 15:39:15,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.68 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 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:15,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 990.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:15,921 INFO L168 Benchmark]: Boogie Preprocessor took 58.80 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:15,934 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 575.68 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 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 77.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 990.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.80 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.3 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...