./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/gr2006.i --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/loop-lit/gr2006.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76260ed82768318ee6f3ac3cb9cfff5a60080963 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/loop-lit/gr2006.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76260ed82768318ee6f3ac3cb9cfff5a60080963 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:51:48,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:48,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:48,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:48,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:48,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:48,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:48,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:48,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:48,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:48,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:48,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:48,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:48,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:48,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:48,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:48,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:48,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:48,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:48,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:48,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:48,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:48,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:48,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:48,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:48,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:48,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:48,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:48,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:48,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:48,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:48,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:48,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:48,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:48,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:48,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:48,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:48,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:48,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:48,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:48,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:48,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:48,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:48,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:48,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:48,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:48,602 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:48,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:48,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:48,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:48,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:48,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:48,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:48,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:48,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:48,608 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:48,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:48,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:48,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:48,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:48,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:48,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:48,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:48,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:48,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:48,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:48,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:48,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:48,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:48,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:48,617 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 -> 76260ed82768318ee6f3ac3cb9cfff5a60080963 [2019-11-27 09:51:49,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:49,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:49,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:49,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:49,192 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:49,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gr2006.i [2019-11-27 09:51:49,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef3b547f/f7ade6a3d09444ca9b5f311d9714433b/FLAGb157aa0e1 [2019-11-27 09:51:50,346 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:50,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gr2006.i [2019-11-27 09:51:50,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef3b547f/f7ade6a3d09444ca9b5f311d9714433b/FLAGb157aa0e1 [2019-11-27 09:51:50,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef3b547f/f7ade6a3d09444ca9b5f311d9714433b [2019-11-27 09:51:50,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:50,416 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:50,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:50,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:50,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:50,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:50" (1/1) ... [2019-11-27 09:51:50,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12219ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:50, skipping insertion in model container [2019-11-27 09:51:50,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:50" (1/1) ... [2019-11-27 09:51:50,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:50,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:50,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:50,933 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:50,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:51,009 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:51,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51 WrapperNode [2019-11-27 09:51:51,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:51,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:51,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:51,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:51,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51" (1/1) ... [2019-11-27 09:51:51,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51" (1/1) ... [2019-11-27 09:51:51,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:51,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:51,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:51,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:51,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51" (1/1) ... [2019-11-27 09:51:51,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51" (1/1) ... [2019-11-27 09:51:51,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51" (1/1) ... [2019-11-27 09:51:51,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51" (1/1) ... [2019-11-27 09:51:51,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51" (1/1) ... [2019-11-27 09:51:51,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51" (1/1) ... [2019-11-27 09:51:51,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:51" (1/1) ... [2019-11-27 09:51:51,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:51,230 INFO L168 Benchmark]: Toolchain (without parser) took 804.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:51,233 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:51,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.32 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:51,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:51,246 INFO L168 Benchmark]: Boogie Preprocessor took 43.19 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:51,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 598.32 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 154.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.19 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:55,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:55,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:55,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:55,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:55,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:55,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:55,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:55,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:55,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:55,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:55,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:55,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:55,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:55,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:55,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:55,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:55,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:55,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:55,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:55,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:55,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:55,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:55,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:55,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:55,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:55,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:55,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:55,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:55,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:55,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:55,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:55,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:55,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:55,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:55,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:55,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:55,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:55,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:55,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:55,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:55,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:55,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:55,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:55,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:55,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:55,454 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:55,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:55,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:55,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:55,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:55,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:55,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:55,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:55,457 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:55,459 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:55,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:55,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:55,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:55,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:55,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:55,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:55,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:55,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:55,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:55,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:55,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:55,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:55,469 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:55,470 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:55,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:55,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:55,473 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 -> 76260ed82768318ee6f3ac3cb9cfff5a60080963 [2019-11-27 09:51:56,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:56,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:56,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:56,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:56,073 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:56,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gr2006.i [2019-11-27 09:51:56,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e11041656/4e496ca03376470aa97eabeadd505a8a/FLAG9a3461f68 [2019-11-27 09:51:57,206 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:57,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gr2006.i [2019-11-27 09:51:57,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e11041656/4e496ca03376470aa97eabeadd505a8a/FLAG9a3461f68 [2019-11-27 09:51:57,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e11041656/4e496ca03376470aa97eabeadd505a8a [2019-11-27 09:51:57,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:57,508 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:57,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:57,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:57,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:57,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:57" (1/1) ... [2019-11-27 09:51:57,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a57f02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:57, skipping insertion in model container [2019-11-27 09:51:57,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:57" (1/1) ... [2019-11-27 09:51:57,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:57,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:57,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:58,009 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:58,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:58,055 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:58,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58 WrapperNode [2019-11-27 09:51:58,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:58,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:58,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:58,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:58,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58" (1/1) ... [2019-11-27 09:51:58,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58" (1/1) ... [2019-11-27 09:51:58,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:58,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:58,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:58,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:58,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58" (1/1) ... [2019-11-27 09:51:58,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58" (1/1) ... [2019-11-27 09:51:58,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58" (1/1) ... [2019-11-27 09:51:58,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58" (1/1) ... [2019-11-27 09:51:58,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58" (1/1) ... [2019-11-27 09:51:58,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58" (1/1) ... [2019-11-27 09:51:58,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:58" (1/1) ... [2019-11-27 09:51:58,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:58,297 INFO L168 Benchmark]: Toolchain (without parser) took 783.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:58,300 INFO L168 Benchmark]: CDTParser took 2.55 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 09:51:58,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:58,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:58,309 INFO L168 Benchmark]: Boogie Preprocessor took 58.25 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:58,322 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.55 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 546.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 164.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.25 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 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...