./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/nested_structure-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/nested_structure-2.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 6ed3973f7383bbdf74f77d846485a93896b526fd ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ldv-regression/nested_structure-2.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 6ed3973f7383bbdf74f77d846485a93896b526fd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:33,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:33,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:33,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:33,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:33,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:33,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:33,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:33,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:33,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:33,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:33,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:33,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:33,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:33,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:33,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:33,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:33,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:33,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:33,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:33,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:33,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:33,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:33,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:33,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:33,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:33,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:33,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:33,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:33,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:33,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:33,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:33,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:33,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:33,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:33,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:33,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:33,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:33,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:33,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:33,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:33,532 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:33,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:33,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:33,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:33,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:33,579 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:33,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:33,582 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:33,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:33,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:33,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:33,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:33,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:33,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:33,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:33,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:33,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:33,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:33,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:33,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:33,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:33,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:33,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:33,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:33,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:33,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:33,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:33,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:33,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:33,594 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 -> 6ed3973f7383bbdf74f77d846485a93896b526fd [2019-11-27 16:10:34,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:34,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:34,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:34,289 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:34,294 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:34,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/nested_structure-2.i [2019-11-27 16:10:34,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/172619b77/6df06484ad6944fbbab16d3c494c63f1/FLAGc22e90152 [2019-11-27 16:10:35,524 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:35,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/nested_structure-2.i [2019-11-27 16:10:35,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/172619b77/6df06484ad6944fbbab16d3c494c63f1/FLAGc22e90152 [2019-11-27 16:10:35,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/172619b77/6df06484ad6944fbbab16d3c494c63f1 [2019-11-27 16:10:35,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:35,603 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:35,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:35,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:35,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:35,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3225affb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35, skipping insertion in model container [2019-11-27 16:10:35,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:35,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:36,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:36,219 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:36,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:36,322 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:36,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36 WrapperNode [2019-11-27 16:10:36,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:36,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:36,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:36,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:36,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36" (1/1) ... [2019-11-27 16:10:36,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36" (1/1) ... [2019-11-27 16:10:36,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:36,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:36,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:36,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:36,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36" (1/1) ... [2019-11-27 16:10:36,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36" (1/1) ... [2019-11-27 16:10:36,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36" (1/1) ... [2019-11-27 16:10:36,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36" (1/1) ... [2019-11-27 16:10:36,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36" (1/1) ... [2019-11-27 16:10:36,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36" (1/1) ... [2019-11-27 16:10:36,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:36" (1/1) ... [2019-11-27 16:10:36,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:36,644 INFO L168 Benchmark]: Toolchain (without parser) took 1031.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.2 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:36,647 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:36,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.85 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:36,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.2 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:36,659 INFO L168 Benchmark]: Boogie Preprocessor took 95.50 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. [2019-11-27 16:10:36,669 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 717.85 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 204.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.2 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 95.50 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:40,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:40,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:40,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:40,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:40,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:40,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:40,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:40,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:40,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:40,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:40,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:40,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:40,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:40,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:40,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:40,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:40,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:40,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:40,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:40,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:40,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:40,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:40,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:40,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:40,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:40,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:40,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:40,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:40,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:40,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:40,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:40,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:40,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:40,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:40,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:40,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:40,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:40,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:40,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:40,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:40,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:40,850 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:40,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:40,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:40,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:40,857 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:40,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:40,859 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:40,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:40,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:40,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:40,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:40,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:40,864 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:40,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:40,865 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:40,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:40,867 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:40,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:40,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:40,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:40,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:40,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:40,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:40,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:40,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:40,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:40,873 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:40,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:40,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:40,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:40,876 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 -> 6ed3973f7383bbdf74f77d846485a93896b526fd [2019-11-27 16:10:41,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:41,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:41,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:41,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:41,490 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:41,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/nested_structure-2.i [2019-11-27 16:10:41,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63330a41/4539451bb7a247e69f44f87dde3cebaf/FLAGe0bc4490b [2019-11-27 16:10:42,779 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:42,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/nested_structure-2.i [2019-11-27 16:10:42,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63330a41/4539451bb7a247e69f44f87dde3cebaf/FLAGe0bc4490b [2019-11-27 16:10:42,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63330a41/4539451bb7a247e69f44f87dde3cebaf [2019-11-27 16:10:42,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:42,844 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:42,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:42,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:42,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:42,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:42" (1/1) ... [2019-11-27 16:10:42,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:42, skipping insertion in model container [2019-11-27 16:10:42,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:42" (1/1) ... [2019-11-27 16:10:42,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:42,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:43,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:43,484 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:43,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:43,674 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:43,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43 WrapperNode [2019-11-27 16:10:43,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:43,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:43,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:43,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:43,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43" (1/1) ... [2019-11-27 16:10:43,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43" (1/1) ... [2019-11-27 16:10:43,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:43,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:43,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:43,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:43,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43" (1/1) ... [2019-11-27 16:10:43,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43" (1/1) ... [2019-11-27 16:10:43,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43" (1/1) ... [2019-11-27 16:10:43,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43" (1/1) ... [2019-11-27 16:10:43,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43" (1/1) ... [2019-11-27 16:10:43,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43" (1/1) ... [2019-11-27 16:10:43,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:43" (1/1) ... [2019-11-27 16:10:43,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:43,856 INFO L168 Benchmark]: Toolchain (without parser) took 992.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.0 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:43,858 INFO L168 Benchmark]: CDTParser took 3.15 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 16:10:43,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:43,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.32 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:43,871 INFO L168 Benchmark]: Boogie Preprocessor took 73.54 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:43,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.15 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 819.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 83.32 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.54 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 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...