./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/discover_list.c --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/loops-crafted-1/discover_list.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 eff53aa91e017bfb2930cb52dc66be661e077849 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/discover_list.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 eff53aa91e017bfb2930cb52dc66be661e077849 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:14:01,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:01,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:01,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:01,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:01,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:01,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:01,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:01,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:01,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:01,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:01,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:01,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:01,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:01,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:01,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:01,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:01,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:01,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:01,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:01,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:01,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:01,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:01,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:01,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:01,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:01,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:01,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:01,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:01,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:01,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:01,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:01,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:01,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:01,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:01,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:01,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:01,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:01,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:01,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:01,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:01,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:14:01,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:01,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:01,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:01,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:01,510 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:01,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:01,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:01,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:14:01,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:01,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:01,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:01,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:01,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:01,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:01,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:01,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:01,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:01,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:01,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:01,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:01,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:01,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:01,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:01,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:01,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:01,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:14:01,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:14:01,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:01,527 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 -> eff53aa91e017bfb2930cb52dc66be661e077849 [2019-11-27 16:14:02,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:02,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:02,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:02,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:02,124 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:02,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/discover_list.c [2019-11-27 16:14:02,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4585c30/8586dfa508e240b6bd160b7ede252bdc/FLAG75b687f05 [2019-11-27 16:14:03,493 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:03,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/discover_list.c [2019-11-27 16:14:03,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4585c30/8586dfa508e240b6bd160b7ede252bdc/FLAG75b687f05 [2019-11-27 16:14:03,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4585c30/8586dfa508e240b6bd160b7ede252bdc [2019-11-27 16:14:03,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:03,578 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:03,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:03,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:03,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:03,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:03" (1/1) ... [2019-11-27 16:14:03,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e3f9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:03, skipping insertion in model container [2019-11-27 16:14:03,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:03" (1/1) ... [2019-11-27 16:14:03,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:03,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:04,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:04,734 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:04,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:05,050 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:05,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05 WrapperNode [2019-11-27 16:14:05,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:05,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:05,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:05,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:05,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05" (1/1) ... [2019-11-27 16:14:05,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05" (1/1) ... [2019-11-27 16:14:05,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:05,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:05,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:05,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:05,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05" (1/1) ... [2019-11-27 16:14:05,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05" (1/1) ... [2019-11-27 16:14:05,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05" (1/1) ... [2019-11-27 16:14:05,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05" (1/1) ... [2019-11-27 16:14:05,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05" (1/1) ... [2019-11-27 16:14:05,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05" (1/1) ... [2019-11-27 16:14:05,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:05" (1/1) ... [2019-11-27 16:14:05,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:05,451 INFO L168 Benchmark]: Toolchain (without parser) took 1865.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.7 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:05,456 INFO L168 Benchmark]: CDTParser took 2.51 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 16:14:05,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1469.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:05,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.78 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:05,465 INFO L168 Benchmark]: Boogie Preprocessor took 181.41 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:05,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.51 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 1469.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 204.78 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.41 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 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 16:14:09,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:09,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:09,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:09,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:09,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:09,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:09,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:09,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:09,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:09,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:09,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:09,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:09,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:09,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:09,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:09,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:09,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:09,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:09,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:09,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:09,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:09,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:09,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:09,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:09,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:09,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:09,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:09,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:09,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:09,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:09,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:09,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:09,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:09,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:09,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:09,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:09,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:09,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:09,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:09,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:09,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:14:09,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:09,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:09,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:09,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:09,546 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:09,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:09,548 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:09,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:09,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:09,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:09,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:09,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:09,553 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:14:09,553 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:14:09,557 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:09,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:09,558 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:09,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:09,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:09,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:09,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:09,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:09,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:09,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:09,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:09,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:09,562 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:14:09,563 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:14:09,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:09,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:14:09,566 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 -> eff53aa91e017bfb2930cb52dc66be661e077849 [2019-11-27 16:14:10,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:10,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:10,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:10,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:10,216 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:10,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/discover_list.c [2019-11-27 16:14:10,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7451175c7/9ff9ef97899a4232a706994f4ed4208c/FLAGd6383bfd1 [2019-11-27 16:14:11,551 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:11,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/discover_list.c [2019-11-27 16:14:11,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7451175c7/9ff9ef97899a4232a706994f4ed4208c/FLAGd6383bfd1 [2019-11-27 16:14:11,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7451175c7/9ff9ef97899a4232a706994f4ed4208c [2019-11-27 16:14:11,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:11,634 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:11,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:11,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:11,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:11,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:11" (1/1) ... [2019-11-27 16:14:11,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91324ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:11, skipping insertion in model container [2019-11-27 16:14:11,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:11" (1/1) ... [2019-11-27 16:14:11,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:11,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:12,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:12,836 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:13,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:13,265 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:13,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13 WrapperNode [2019-11-27 16:14:13,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:13,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:13,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:13,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:13,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13" (1/1) ... [2019-11-27 16:14:13,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13" (1/1) ... [2019-11-27 16:14:13,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:13,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:13,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:13,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:13,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13" (1/1) ... [2019-11-27 16:14:13,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13" (1/1) ... [2019-11-27 16:14:13,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13" (1/1) ... [2019-11-27 16:14:13,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13" (1/1) ... [2019-11-27 16:14:13,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13" (1/1) ... [2019-11-27 16:14:13,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13" (1/1) ... [2019-11-27 16:14:13,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:13" (1/1) ... [2019-11-27 16:14:13,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:13,736 INFO L168 Benchmark]: Toolchain (without parser) took 2097.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.9 MB in the end (delta: 502.7 kB). Peak memory consumption was 568.2 kB. Max. memory is 12.5 GB. [2019-11-27 16:14:13,740 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:13,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1628.82 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 972.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:13,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 272.86 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:13,747 INFO L168 Benchmark]: Boogie Preprocessor took 187.47 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:13,757 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 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 1628.82 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 972.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 272.86 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 187.47 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.9 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...