./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/nec11.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/loops/nec11.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 956956519a5dd5945389347ef99ef2322ddc4acd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/loops/nec11.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 956956519a5dd5945389347ef99ef2322ddc4acd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:50:49,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:49,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:49,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:49,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:49,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:49,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:49,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:49,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:49,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:49,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:49,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:49,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:49,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:49,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:49,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:49,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:49,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:49,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:49,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:49,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:49,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:49,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:49,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:49,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:49,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:49,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:49,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:49,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:49,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:49,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:49,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:49,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:49,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:49,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:49,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:49,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:49,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:49,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:49,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:49,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:49,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:49,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:49,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:49,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:49,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:49,481 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:49,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:49,484 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:49,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:49,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:49,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:49,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:49,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:49,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:49,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:49,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:49,489 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:49,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:49,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:49,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:49,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:49,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:49,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:49,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:49,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:49,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:49,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:49,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:49,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:49,498 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 -> 956956519a5dd5945389347ef99ef2322ddc4acd [2019-11-27 09:50:50,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:50,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:50,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:50,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:50,125 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:50,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/nec11.c [2019-11-27 09:50:50,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c34cd26/402b9d0747e848ff822218fcb9352280/FLAG8c49387f6 [2019-11-27 09:50:51,307 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:51,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/nec11.c [2019-11-27 09:50:51,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c34cd26/402b9d0747e848ff822218fcb9352280/FLAG8c49387f6 [2019-11-27 09:50:51,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c34cd26/402b9d0747e848ff822218fcb9352280 [2019-11-27 09:50:51,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:51,599 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:51,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:51,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:51,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:51,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:51" (1/1) ... [2019-11-27 09:50:51,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccb7bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:51, skipping insertion in model container [2019-11-27 09:50:51,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:51" (1/1) ... [2019-11-27 09:50:51,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:51,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:52,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:52,092 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:52,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:52,162 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:52,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52 WrapperNode [2019-11-27 09:50:52,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:52,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:52,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:52,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:52,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:52,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:52,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:52,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:52,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:52,362 INFO L168 Benchmark]: Toolchain (without parser) took 748.63 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:52,364 INFO L168 Benchmark]: CDTParser took 1.67 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 09:50:52,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.77 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:52,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:52,370 INFO L168 Benchmark]: Boogie Preprocessor took 30.66 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:52,378 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67 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 561.77 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 146.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 30.66 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. 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 09:50:56,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:56,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:56,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:56,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:56,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:56,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:56,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:56,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:56,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:56,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:56,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:56,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:56,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:56,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:56,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:56,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:56,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:56,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:56,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:56,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:56,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:56,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:56,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:56,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:56,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:56,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:56,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:56,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:56,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:56,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:56,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:56,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:56,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:56,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:56,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:56,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:56,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:56,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:56,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:56,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:56,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:56,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:56,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:56,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:56,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:56,337 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:56,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:56,340 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:56,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:56,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:56,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:56,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:56,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:56,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:56,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:56,346 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:56,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:56,346 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:56,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:56,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:56,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:56,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:56,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:56,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:56,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:56,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:56,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:56,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:56,354 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:56,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:56,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:56,356 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 -> 956956519a5dd5945389347ef99ef2322ddc4acd [2019-11-27 09:50:57,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:57,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:57,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:57,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:57,043 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:57,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/nec11.c [2019-11-27 09:50:57,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af1efda3/72ca7a60d849481aa5bcaf277c2e466a/FLAG3f9463095 [2019-11-27 09:50:58,203 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:58,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/nec11.c [2019-11-27 09:50:58,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af1efda3/72ca7a60d849481aa5bcaf277c2e466a/FLAG3f9463095 [2019-11-27 09:50:58,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af1efda3/72ca7a60d849481aa5bcaf277c2e466a [2019-11-27 09:50:58,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:58,399 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:58,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:58,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:58,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:58,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:58,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58, skipping insertion in model container [2019-11-27 09:50:58,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:58,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:58,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:58,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:58,928 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:58,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:58,969 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:58,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58 WrapperNode [2019-11-27 09:50:58,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:58,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:58,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:58,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:58,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:59,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:59,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:59,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:59,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:59,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:59,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:59,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:59,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:59,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:59,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:59,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:59,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:59,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:59,180 INFO L168 Benchmark]: Toolchain (without parser) took 779.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:59,182 INFO L168 Benchmark]: CDTParser took 0.34 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 09:50:59,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.64 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:59,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:59,207 INFO L168 Benchmark]: Boogie Preprocessor took 39.13 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 09:50:59,219 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 568.64 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 157.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.13 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...