./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-tiling/nr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-tiling/nr4.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 6313c32f486254f95c8d05cc472051f03eb6e40a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-tiling/nr4.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 6313c32f486254f95c8d05cc472051f03eb6e40a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:16:39,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:16:39,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:16:39,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:16:39,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:16:39,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:16:39,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:16:39,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:16:39,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:16:39,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:16:39,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:16:39,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:16:39,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:16:39,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:16:39,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:16:39,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:16:39,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:16:39,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:16:39,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:16:39,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:16:39,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:16:39,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:16:39,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:16:39,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:16:39,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:16:39,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:16:39,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:16:39,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:16:39,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:16:39,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:16:39,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:16:39,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:16:39,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:16:39,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:16:39,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:16:39,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:16:39,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:16:39,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:16:39,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:16:39,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:16:39,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:16:39,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:16:39,666 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:16:39,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:16:39,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:16:39,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:16:39,674 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:16:39,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:16:39,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:16:39,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:16:39,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:16:39,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:16:39,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:16:39,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:16:39,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:16:39,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:16:39,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:16:39,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:16:39,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:16:39,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:16:39,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:16:39,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:16:39,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:16:39,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:16:39,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:16:39,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:16:39,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:16:39,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:16:39,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:16:39,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:16:39,692 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 -> 6313c32f486254f95c8d05cc472051f03eb6e40a [2019-11-27 09:16:40,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:16:40,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:16:40,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:16:40,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:16:40,335 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:16:40,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/nr4.c [2019-11-27 09:16:40,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a280f66b/2e2d1b86ed7343328c48ddeed32434bb/FLAG114af73b4 [2019-11-27 09:16:41,494 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:16:41,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/nr4.c [2019-11-27 09:16:41,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a280f66b/2e2d1b86ed7343328c48ddeed32434bb/FLAG114af73b4 [2019-11-27 09:16:41,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a280f66b/2e2d1b86ed7343328c48ddeed32434bb [2019-11-27 09:16:41,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:16:41,671 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:16:41,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:41,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:16:41,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:16:41,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:41" (1/1) ... [2019-11-27 09:16:41,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797101d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:41, skipping insertion in model container [2019-11-27 09:16:41,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:41" (1/1) ... [2019-11-27 09:16:41,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:16:41,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:16:42,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:42,133 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:16:42,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:42,219 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:16:42,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42 WrapperNode [2019-11-27 09:16:42,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:42,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:42,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:16:42,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:16:42,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42" (1/1) ... [2019-11-27 09:16:42,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42" (1/1) ... [2019-11-27 09:16:42,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:42,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:16:42,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:16:42,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:16:42,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42" (1/1) ... [2019-11-27 09:16:42,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42" (1/1) ... [2019-11-27 09:16:42,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42" (1/1) ... [2019-11-27 09:16:42,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42" (1/1) ... [2019-11-27 09:16:42,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42" (1/1) ... [2019-11-27 09:16:42,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42" (1/1) ... [2019-11-27 09:16:42,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:42" (1/1) ... [2019-11-27 09:16:42,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:16:42,450 INFO L168 Benchmark]: Toolchain (without parser) took 776.73 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 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:16:42,467 INFO L168 Benchmark]: CDTParser took 0.36 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 09:16:42,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.78 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:42,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:42,478 INFO L168 Benchmark]: Boogie Preprocessor took 69.08 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:42,486 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 541.78 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 147.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 69.08 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:16:46,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:16:46,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:16:46,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:16:46,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:16:46,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:16:46,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:16:46,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:16:46,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:16:46,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:16:46,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:16:46,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:16:46,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:16:46,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:16:46,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:16:46,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:16:46,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:16:46,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:16:46,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:16:46,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:16:46,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:16:46,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:16:46,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:16:46,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:16:46,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:16:46,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:16:46,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:16:46,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:16:46,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:16:46,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:16:46,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:16:46,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:16:46,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:16:46,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:16:46,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:16:46,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:16:46,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:16:46,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:16:46,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:16:46,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:16:46,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:16:46,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:16:46,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:16:46,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:16:46,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:16:46,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:16:46,486 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:16:46,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:16:46,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:16:46,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:16:46,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:16:46,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:16:46,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:16:46,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:16:46,491 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:16:46,492 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:16:46,494 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:16:46,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:16:46,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:16:46,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:16:46,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:16:46,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:16:46,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:16:46,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:16:46,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:16:46,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:16:46,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:16:46,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:16:46,502 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:16:46,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:16:46,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:16:46,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:16:46,504 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 -> 6313c32f486254f95c8d05cc472051f03eb6e40a [2019-11-27 09:16:47,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:16:47,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:16:47,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:16:47,195 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:16:47,197 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:16:47,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/nr4.c [2019-11-27 09:16:47,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12ddfc39/d6e3eadf8a674df4b876a1c64cceb8ba/FLAG8c94b44bd [2019-11-27 09:16:48,413 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:16:48,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/nr4.c [2019-11-27 09:16:48,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12ddfc39/d6e3eadf8a674df4b876a1c64cceb8ba/FLAG8c94b44bd [2019-11-27 09:16:48,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12ddfc39/d6e3eadf8a674df4b876a1c64cceb8ba [2019-11-27 09:16:48,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:16:48,490 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:16:48,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:48,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:16:48,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:16:48,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:48" (1/1) ... [2019-11-27 09:16:48,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:48, skipping insertion in model container [2019-11-27 09:16:48,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:48" (1/1) ... [2019-11-27 09:16:48,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:16:48,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:16:49,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:49,028 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:16:49,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:49,205 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:16:49,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49 WrapperNode [2019-11-27 09:16:49,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:49,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:49,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:16:49,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:16:49,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49" (1/1) ... [2019-11-27 09:16:49,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49" (1/1) ... [2019-11-27 09:16:49,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:49,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:16:49,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:16:49,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:16:49,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49" (1/1) ... [2019-11-27 09:16:49,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49" (1/1) ... [2019-11-27 09:16:49,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49" (1/1) ... [2019-11-27 09:16:49,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49" (1/1) ... [2019-11-27 09:16:49,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49" (1/1) ... [2019-11-27 09:16:49,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49" (1/1) ... [2019-11-27 09:16:49,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:49" (1/1) ... [2019-11-27 09:16:49,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:16:49,382 INFO L168 Benchmark]: Toolchain (without parser) took 888.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:16:49,384 INFO L168 Benchmark]: CDTParser took 2.02 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 09:16:49,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.92 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 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:49,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.61 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. [2019-11-27 09:16:49,390 INFO L168 Benchmark]: Boogie Preprocessor took 71.05 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:16:49,400 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.02 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 715.92 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 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 94.61 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. * Boogie Preprocessor took 71.05 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...