./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-new/nested-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-new/nested-1.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 a881e1073186594f4727f809fbe5d917ff145543 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-new/nested-1.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 a881e1073186594f4727f809fbe5d917ff145543 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:00,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:00,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:00,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:00,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:00,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:00,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:00,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:00,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:00,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:00,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:00,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:00,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:00,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:00,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:00,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:00,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:00,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:00,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:00,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:00,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:00,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:00,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:00,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:00,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:00,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:00,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:00,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:00,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:00,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:00,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:00,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:00,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:00,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:00,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:00,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:00,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:00,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:00,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:00,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:00,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:00,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:00,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:00,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:00,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:00,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:00,554 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:00,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:00,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:00,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:00,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:00,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:00,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:00,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:00,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:00,562 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:00,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:00,563 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:00,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:00,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:00,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:00,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:00,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:00,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:00,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:00,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:00,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:00,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:00,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:00,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:00,572 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 -> a881e1073186594f4727f809fbe5d917ff145543 [2019-11-27 09:52:01,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:01,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:01,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:01,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:01,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:01,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-new/nested-1.i [2019-11-27 09:52:01,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e178a48a2/d7d933f7c43e41998e902a25bb14f4ce/FLAG34192b17b [2019-11-27 09:52:02,325 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:02,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-new/nested-1.i [2019-11-27 09:52:02,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e178a48a2/d7d933f7c43e41998e902a25bb14f4ce/FLAG34192b17b [2019-11-27 09:52:02,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e178a48a2/d7d933f7c43e41998e902a25bb14f4ce [2019-11-27 09:52:02,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:02,632 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:02,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:02,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:02,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:02,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:02" (1/1) ... [2019-11-27 09:52:02,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d2104c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:02, skipping insertion in model container [2019-11-27 09:52:02,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:02" (1/1) ... [2019-11-27 09:52:02,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:02,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:03,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:03,085 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:03,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:03,127 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:03,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03 WrapperNode [2019-11-27 09:52:03,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:03,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:03,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:03,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:03,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03" (1/1) ... [2019-11-27 09:52:03,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03" (1/1) ... [2019-11-27 09:52:03,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:03,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:03,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:03,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:03,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03" (1/1) ... [2019-11-27 09:52:03,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03" (1/1) ... [2019-11-27 09:52:03,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03" (1/1) ... [2019-11-27 09:52:03,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03" (1/1) ... [2019-11-27 09:52:03,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03" (1/1) ... [2019-11-27 09:52:03,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03" (1/1) ... [2019-11-27 09:52:03,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:03" (1/1) ... [2019-11-27 09:52:03,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:03,370 INFO L168 Benchmark]: Toolchain (without parser) took 731.80 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 991.1 MB in the end (delta: -25.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:03,372 INFO L168 Benchmark]: CDTParser took 0.35 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 09:52:03,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.56 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:03,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.8 MB in the end (delta: -42.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:03,388 INFO L168 Benchmark]: Boogie Preprocessor took 61.45 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:03,400 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 493.56 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 169.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.8 MB in the end (delta: -42.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.45 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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-da95e15 [2019-11-27 09:52:07,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:07,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:07,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:07,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:07,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:07,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:07,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:07,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:07,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:07,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:07,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:07,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:07,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:07,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:07,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:07,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:07,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:07,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:07,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:07,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:07,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:07,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:07,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:07,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:07,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:07,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:07,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:07,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:07,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:07,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:07,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:07,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:07,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:07,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:07,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:07,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:07,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:07,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:07,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:07,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:07,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:07,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:07,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:07,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:07,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:07,500 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:07,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:07,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:07,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:07,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:07,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:07,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:07,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:07,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:07,506 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:07,506 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:07,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:07,509 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:07,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:07,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:07,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:07,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:07,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:07,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:07,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:07,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:07,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:07,512 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:07,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:07,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:07,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:07,517 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 -> a881e1073186594f4727f809fbe5d917ff145543 [2019-11-27 09:52:08,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:08,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:08,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:08,147 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:08,149 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:08,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-new/nested-1.i [2019-11-27 09:52:08,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cbc9dab/b33dec9c2a2441e7828a7b4437412d92/FLAGcb4e2ae91 [2019-11-27 09:52:09,262 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:09,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-new/nested-1.i [2019-11-27 09:52:09,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cbc9dab/b33dec9c2a2441e7828a7b4437412d92/FLAGcb4e2ae91 [2019-11-27 09:52:09,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cbc9dab/b33dec9c2a2441e7828a7b4437412d92 [2019-11-27 09:52:09,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:09,470 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:09,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:09,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:09,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:09,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:09" (1/1) ... [2019-11-27 09:52:09,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da8f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:09, skipping insertion in model container [2019-11-27 09:52:09,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:09" (1/1) ... [2019-11-27 09:52:09,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:09,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:09,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:09,922 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:09,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:10,004 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:10,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10 WrapperNode [2019-11-27 09:52:10,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:10,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:10,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:10,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:10,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10" (1/1) ... [2019-11-27 09:52:10,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10" (1/1) ... [2019-11-27 09:52:10,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:10,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:10,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:10,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:10,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10" (1/1) ... [2019-11-27 09:52:10,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10" (1/1) ... [2019-11-27 09:52:10,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10" (1/1) ... [2019-11-27 09:52:10,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10" (1/1) ... [2019-11-27 09:52:10,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10" (1/1) ... [2019-11-27 09:52:10,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10" (1/1) ... [2019-11-27 09:52:10,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:10" (1/1) ... [2019-11-27 09:52:10,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:10,219 INFO L168 Benchmark]: Toolchain (without parser) took 746.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:10,221 INFO L168 Benchmark]: CDTParser took 1.68 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:10,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.84 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:10,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.1 MB in the end (delta: -47.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:10,228 INFO L168 Benchmark]: Boogie Preprocessor took 53.46 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:10,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68 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 532.84 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 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 150.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.1 MB in the end (delta: -47.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.46 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 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...