./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 32f26835 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 0.1.24-32f2683 [2019-11-24 21:09:32,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:32,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:32,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:32,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:32,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:32,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:32,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:32,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:32,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:32,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:32,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:32,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:32,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:32,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:32,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:32,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:32,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:32,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:32,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:32,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:32,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:32,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:32,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:32,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:32,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:32,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:32,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:32,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:32,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:32,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:32,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:32,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:32,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:32,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:32,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:32,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:32,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:32,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:32,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:32,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:32,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:32,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:32,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:32,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:32,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:32,762 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:32,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:32,764 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:32,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:32,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:32,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:32,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:32,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:32,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:32,769 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:32,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:32,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:32,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:32,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:32,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:32,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:32,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:32,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:32,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:32,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:32,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:32,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:32,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:32,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:32,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:32,779 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 [2019-11-24 21:09:33,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:33,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:33,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:33,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:33,403 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:33,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/nec11.c [2019-11-24 21:09:33,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c827f0081/90985127ef224aec8df4fa250b78dd2e/FLAGacb23e93c [2019-11-24 21:09:34,626 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:34,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/nec11.c [2019-11-24 21:09:34,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c827f0081/90985127ef224aec8df4fa250b78dd2e/FLAGacb23e93c [2019-11-24 21:09:34,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c827f0081/90985127ef224aec8df4fa250b78dd2e [2019-11-24 21:09:34,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:34,714 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:34,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:34,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:34,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:34,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:34" (1/1) ... [2019-11-24 21:09:34,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:34, skipping insertion in model container [2019-11-24 21:09:34,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:34" (1/1) ... [2019-11-24 21:09:34,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:34,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:35,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:35,196 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:35,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:35,250 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:35,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35 WrapperNode [2019-11-24 21:09:35,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:35,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:35,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:35,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:35,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:35,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:35,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:35,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:35,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:35,453 INFO L168 Benchmark]: Toolchain (without parser) took 734.47 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: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:35,456 INFO L168 Benchmark]: CDTParser took 1.06 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. [2019-11-24 21:09:35,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.83 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. [2019-11-24 21:09:35,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.18 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. [2019-11-24 21:09:35,475 INFO L168 Benchmark]: Boogie Preprocessor took 42.59 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. [2019-11-24 21:09:35,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 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 533.83 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 149.18 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 42.59 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 0.1.24-32f2683 [2019-11-24 21:09:39,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:39,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:39,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:39,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:39,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:39,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:39,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:39,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:39,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:39,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:39,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:39,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:39,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:39,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:39,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:39,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:39,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:39,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:39,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:39,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:39,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:39,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:39,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:39,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:39,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:39,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:39,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:39,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:39,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:39,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:39,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:39,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:39,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:39,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:39,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:39,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:39,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:39,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:39,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:39,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:39,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:39,609 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:39,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:39,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:39,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:39,617 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:39,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:39,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:39,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:39,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:39,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:39,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:39,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:39,625 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:39,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:39,626 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:39,626 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:39,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:39,627 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:39,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:39,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:39,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:39,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:39,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:39,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:39,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:39,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:39,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:39,632 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:39,633 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:39,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:39,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:39,636 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 [2019-11-24 21:09:40,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:40,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:40,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:40,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:40,329 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:40,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/nec11.c [2019-11-24 21:09:40,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be4b07fe0/69ad38f7236c4b56be577744040fa98a/FLAG225f0065f [2019-11-24 21:09:41,551 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:41,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/nec11.c [2019-11-24 21:09:41,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be4b07fe0/69ad38f7236c4b56be577744040fa98a/FLAG225f0065f [2019-11-24 21:09:41,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be4b07fe0/69ad38f7236c4b56be577744040fa98a [2019-11-24 21:09:41,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:41,616 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:41,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:41,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:41,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:41,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:41" (1/1) ... [2019-11-24 21:09:41,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:41, skipping insertion in model container [2019-11-24 21:09:41,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:41" (1/1) ... [2019-11-24 21:09:41,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:41,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:42,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:42,127 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:42,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:42,200 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:42,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42 WrapperNode [2019-11-24 21:09:42,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:42,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:42,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:42,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:42,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:42,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:42,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:42,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:42,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:42,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:42,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:42,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:42,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:42,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:42,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:42,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:42,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:42,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:42,413 INFO L168 Benchmark]: Toolchain (without parser) took 779.08 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:42,416 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-24 21:09:42,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.08 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. [2019-11-24 21:09:42,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.41 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 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:42,425 INFO L168 Benchmark]: Boogie Preprocessor took 31.54 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:42,437 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 579.08 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 158.41 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 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.54 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...