./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/modulus-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/bitvector/modulus-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c028dc478ad08c52f1db2e76a15a3094442b18a8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:26:57,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:26:57,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:26:57,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:26:57,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:26:57,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:26:57,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:26:57,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:26:57,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:26:57,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:26:57,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:26:57,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:26:57,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:26:57,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:26:57,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:26:57,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:26:57,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:26:57,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:26:57,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:26:57,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:26:57,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:26:57,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:26:57,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:26:57,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:26:57,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:26:57,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:26:57,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:26:57,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:26:57,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:26:57,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:26:57,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:26:57,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:26:57,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:26:57,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:26:57,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:26:57,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:26:57,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:26:57,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:26:57,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:26:57,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:26:57,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:26:57,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-27 11:26:57,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:26:57,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:26:57,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:26:57,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:26:57,616 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:26:57,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:26:57,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:26:57,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:26:57,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:26:57,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:26:57,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:26:57,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 11:26:57,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:26:57,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 11:26:57,623 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-27 11:26:57,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:26:57,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 11:26:57,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:26:57,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 11:26:57,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:26:57,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:26:57,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:26:57,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:26:57,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:26:57,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:26:57,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:26:57,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 11:26:57,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:26:57,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:26:57,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 11:26:57,631 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 ! overflow) ) 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 -> c028dc478ad08c52f1db2e76a15a3094442b18a8 [2019-11-27 11:26:58,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:26:58,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:26:58,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:26:58,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:26:58,316 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:26:58,318 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 11:26:58,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d5c1a5f/cc438618e1f242bfa4d6010695d42d85/FLAG6e2d4b6c5 [2019-11-27 11:26:59,508 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:26:59,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/modulus-2.i [2019-11-27 11:26:59,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d5c1a5f/cc438618e1f242bfa4d6010695d42d85/FLAG6e2d4b6c5 [2019-11-27 11:26:59,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d5c1a5f/cc438618e1f242bfa4d6010695d42d85 [2019-11-27 11:26:59,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:26:59,579 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 11:26:59,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:26:59,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:26:59,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:26:59,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:26:59" (1/1) ... [2019-11-27 11:26:59,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:59, skipping insertion in model container [2019-11-27 11:26:59,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:26:59" (1/1) ... [2019-11-27 11:26:59,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:26:59,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:27:00,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:27:00,151 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:27:00,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:27:00,329 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:27:00,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00 WrapperNode [2019-11-27 11:27:00,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:27:00,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 11:27:00,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 11:27:00,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 11:27:00,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00" (1/1) ... [2019-11-27 11:27:00,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00" (1/1) ... [2019-11-27 11:27:00,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 11:27:00,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:27:00,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:27:00,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:27:00,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00" (1/1) ... [2019-11-27 11:27:00,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00" (1/1) ... [2019-11-27 11:27:00,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00" (1/1) ... [2019-11-27 11:27:00,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00" (1/1) ... [2019-11-27 11:27:00,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00" (1/1) ... [2019-11-27 11:27:00,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00" (1/1) ... [2019-11-27 11:27:00,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:00" (1/1) ... [2019-11-27 11:27:00,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:27:00,506 INFO L168 Benchmark]: Toolchain (without parser) took 919.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -24.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:27:00,518 INFO L168 Benchmark]: CDTParser took 3.12 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 11:27:00,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:27:00,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.70 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:27:00,523 INFO L168 Benchmark]: Boogie Preprocessor took 60.86 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:27:00,535 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.12 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 750.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 93.70 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.86 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 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...