./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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-crafted-1/nested_delay_nd.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 6b6f4e5c37e0d12f37f76e733ff40f1e207ca2c4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-crafted-1/nested_delay_nd.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 6b6f4e5c37e0d12f37f76e733ff40f1e207ca2c4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:57:25,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:25,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:25,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:25,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:25,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:25,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:25,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:25,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:25,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:25,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:25,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:25,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:25,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:25,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:25,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:25,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:25,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:25,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:25,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:25,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:25,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:25,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:25,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:25,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:25,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:25,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:25,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:25,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:25,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:25,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:25,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:25,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:25,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:25,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:25,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:25,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:25,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:25,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:25,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:25,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:25,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:57:25,538 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:25,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:25,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:25,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:25,547 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:25,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:25,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:25,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:57:25,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:25,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:25,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:25,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:25,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:25,553 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:25,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:25,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:25,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:25,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:25,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:25,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:25,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:25,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:25,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:25,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:25,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:25,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:57:25,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:57:25,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:25,560 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 -> 6b6f4e5c37e0d12f37f76e733ff40f1e207ca2c4 [2019-11-25 22:57:26,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:26,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:26,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:26,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:26,168 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:26,169 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2019-11-25 22:57:26,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d81a8b5/4ed1ebb25a14421fb7c1697f7425d277/FLAG694d05403 [2019-11-25 22:57:27,262 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:27,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2019-11-25 22:57:27,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d81a8b5/4ed1ebb25a14421fb7c1697f7425d277/FLAG694d05403 [2019-11-25 22:57:27,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d81a8b5/4ed1ebb25a14421fb7c1697f7425d277 [2019-11-25 22:57:27,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:27,463 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:27,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:27,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:27,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:27,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:27,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab76006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27, skipping insertion in model container [2019-11-25 22:57:27,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:27,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:27,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:27,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:27,932 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:27,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:27,985 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:27,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27 WrapperNode [2019-11-25 22:57:27,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:27,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:27,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:27,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:28,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:28,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:28,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:28,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:28,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:28,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:28,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:28,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:28,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:28,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:28,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:28,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:28,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:27" (1/1) ... [2019-11-25 22:57:28,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:28,235 INFO L168 Benchmark]: Toolchain (without parser) took 754.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.2 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:28,239 INFO L168 Benchmark]: CDTParser took 2.41 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. [2019-11-25 22:57:28,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.59 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 950.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:28,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.56 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:28,249 INFO L168 Benchmark]: Boogie Preprocessor took 56.58 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:28,261 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.41 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 521.59 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 950.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 163.56 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.58 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:57:32,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:32,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:32,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:32,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:32,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:32,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:32,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:32,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:32,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:32,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:32,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:32,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:32,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:32,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:32,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:32,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:32,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:32,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:32,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:32,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:32,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:32,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:32,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:32,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:32,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:32,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:32,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:32,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:32,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:32,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:32,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:32,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:32,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:32,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:32,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:32,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:32,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:32,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:32,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:32,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:32,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:57:32,416 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:32,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:32,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:32,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:32,425 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:32,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:32,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:32,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:32,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:32,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:32,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:32,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:32,428 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:57:32,429 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:57:32,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:32,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:32,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:32,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:32,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:32,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:32,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:32,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:32,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:32,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:32,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:32,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:32,437 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:57:32,437 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:57:32,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:32,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:57:32,441 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 -> 6b6f4e5c37e0d12f37f76e733ff40f1e207ca2c4 [2019-11-25 22:57:32,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:33,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:33,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:33,017 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:33,020 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:33,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2019-11-25 22:57:33,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4bbe715d/22265d6d6c894bf581dfb0305d291462/FLAG78a5f7be2 [2019-11-25 22:57:34,164 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:34,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2019-11-25 22:57:34,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4bbe715d/22265d6d6c894bf581dfb0305d291462/FLAG78a5f7be2 [2019-11-25 22:57:34,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4bbe715d/22265d6d6c894bf581dfb0305d291462 [2019-11-25 22:57:34,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:34,378 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:34,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:34,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:34,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:34,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:34" (1/1) ... [2019-11-25 22:57:34,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762a845e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:34, skipping insertion in model container [2019-11-25 22:57:34,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:34" (1/1) ... [2019-11-25 22:57:34,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:34,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:34,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:34,937 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:34,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:35,030 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:35,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35 WrapperNode [2019-11-25 22:57:35,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:35,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:35,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:35,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:35,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35" (1/1) ... [2019-11-25 22:57:35,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35" (1/1) ... [2019-11-25 22:57:35,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:35,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:35,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:35,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:35,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35" (1/1) ... [2019-11-25 22:57:35,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35" (1/1) ... [2019-11-25 22:57:35,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35" (1/1) ... [2019-11-25 22:57:35,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35" (1/1) ... [2019-11-25 22:57:35,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35" (1/1) ... [2019-11-25 22:57:35,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35" (1/1) ... [2019-11-25 22:57:35,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:35" (1/1) ... [2019-11-25 22:57:35,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:35,272 INFO L168 Benchmark]: Toolchain (without parser) took 888.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:35,281 INFO L168 Benchmark]: CDTParser took 2.89 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. [2019-11-25 22:57:35,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.72 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:35,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.4 MB in the beginning and 997.0 MB in the end (delta: -42.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:35,297 INFO L168 Benchmark]: Boogie Preprocessor took 59.53 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:35,305 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.89 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 648.72 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.4 MB in the beginning and 997.0 MB in the end (delta: -42.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.53 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...