./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-lopstr16/flag_loopdep.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/array-lopstr16/flag_loopdep.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 ede152d5cd6ec701bb90258310974118410592fd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-lopstr16/flag_loopdep.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 ede152d5cd6ec701bb90258310974118410592fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:17:50,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:17:50,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:17:50,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:17:50,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:17:50,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:17:50,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:17:50,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:17:50,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:17:50,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:17:50,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:17:50,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:17:50,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:17:50,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:17:50,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:17:50,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:17:50,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:17:50,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:17:50,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:17:50,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:17:50,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:17:50,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:17:50,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:17:50,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:17:50,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:17:50,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:17:50,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:17:50,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:17:50,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:17:50,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:17:50,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:17:50,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:17:50,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:17:50,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:17:50,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:17:50,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:17:50,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:17:50,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:17:50,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:17:50,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:17:50,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:17:50,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:17:50,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:17:50,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:17:50,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:17:50,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:17:50,577 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:17:50,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:17:50,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:17:50,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:17:50,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:17:50,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:17:50,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:17:50,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:17:50,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:17:50,584 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:17:50,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:17:50,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:17:50,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:17:50,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:17:50,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:17:50,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:17:50,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:17:50,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:17:50,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:17:50,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:17:50,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:17:50,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:17:50,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:17:50,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:17:50,593 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 -> ede152d5cd6ec701bb90258310974118410592fd [2019-11-27 09:17:51,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:17:51,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:17:51,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:17:51,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:17:51,280 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:17:51,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/flag_loopdep.i [2019-11-27 09:17:51,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003da5a92/b1b392a73b554d6da13d6cc64894cd91/FLAGe0ef24aaa [2019-11-27 09:17:52,470 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:17:52,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/flag_loopdep.i [2019-11-27 09:17:52,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003da5a92/b1b392a73b554d6da13d6cc64894cd91/FLAGe0ef24aaa [2019-11-27 09:17:52,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003da5a92/b1b392a73b554d6da13d6cc64894cd91 [2019-11-27 09:17:52,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:17:52,550 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:17:52,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:52,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:17:52,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:17:52,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:52,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52, skipping insertion in model container [2019-11-27 09:17:52,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:52,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:17:52,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:17:53,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:53,111 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:17:53,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:53,287 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:17:53,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53 WrapperNode [2019-11-27 09:17:53,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:53,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:53,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:17:53,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:17:53,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53" (1/1) ... [2019-11-27 09:17:53,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53" (1/1) ... [2019-11-27 09:17:53,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:53,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:17:53,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:17:53,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:17:53,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53" (1/1) ... [2019-11-27 09:17:53,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53" (1/1) ... [2019-11-27 09:17:53,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53" (1/1) ... [2019-11-27 09:17:53,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53" (1/1) ... [2019-11-27 09:17:53,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53" (1/1) ... [2019-11-27 09:17:53,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53" (1/1) ... [2019-11-27 09:17:53,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:53" (1/1) ... [2019-11-27 09:17:53,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:17:53,478 INFO L168 Benchmark]: Toolchain (without parser) took 915.49 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:17:53,481 INFO L168 Benchmark]: CDTParser took 0.44 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 09:17:53,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.86 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:17:53,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.48 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:17:53,490 INFO L168 Benchmark]: Boogie Preprocessor took 66.31 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 09:17:53,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 736.86 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 104.48 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.31 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 09:17:57,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:17:57,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:17:57,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:17:57,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:17:57,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:17:57,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:17:57,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:17:57,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:17:57,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:17:57,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:17:57,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:17:57,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:17:57,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:17:57,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:17:57,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:17:57,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:17:57,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:17:57,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:17:57,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:17:57,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:17:57,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:17:57,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:17:57,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:17:57,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:17:57,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:17:57,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:17:57,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:17:57,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:17:57,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:17:57,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:17:57,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:17:57,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:17:57,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:17:57,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:17:57,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:17:57,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:17:57,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:17:57,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:17:57,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:17:57,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:17:57,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:17:57,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:17:57,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:17:57,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:17:57,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:17:57,561 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:17:57,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:17:57,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:17:57,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:17:57,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:17:57,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:17:57,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:17:57,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:17:57,567 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:17:57,568 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:17:57,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:17:57,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:17:57,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:17:57,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:17:57,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:17:57,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:17:57,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:17:57,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:17:57,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:17:57,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:17:57,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:17:57,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:17:57,574 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:17:57,574 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:17:57,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:17:57,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:17:57,579 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 -> ede152d5cd6ec701bb90258310974118410592fd [2019-11-27 09:17:58,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:17:58,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:17:58,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:17:58,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:17:58,174 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:17:58,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/flag_loopdep.i [2019-11-27 09:17:58,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e232f6540/e885cec0853042e68410d620fcbebe2e/FLAG31db00712 [2019-11-27 09:17:59,370 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:17:59,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/flag_loopdep.i [2019-11-27 09:17:59,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e232f6540/e885cec0853042e68410d620fcbebe2e/FLAG31db00712 [2019-11-27 09:17:59,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e232f6540/e885cec0853042e68410d620fcbebe2e [2019-11-27 09:17:59,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:17:59,436 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:17:59,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:59,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:17:59,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:17:59,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:59" (1/1) ... [2019-11-27 09:17:59,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:59, skipping insertion in model container [2019-11-27 09:17:59,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:59" (1/1) ... [2019-11-27 09:17:59,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:17:59,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:18:00,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:00,053 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:18:00,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:00,243 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:18:00,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00 WrapperNode [2019-11-27 09:18:00,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:18:00,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:00,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:18:00,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:18:00,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00" (1/1) ... [2019-11-27 09:18:00,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00" (1/1) ... [2019-11-27 09:18:00,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:00,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:18:00,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:18:00,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:18:00,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00" (1/1) ... [2019-11-27 09:18:00,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00" (1/1) ... [2019-11-27 09:18:00,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00" (1/1) ... [2019-11-27 09:18:00,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00" (1/1) ... [2019-11-27 09:18:00,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00" (1/1) ... [2019-11-27 09:18:00,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00" (1/1) ... [2019-11-27 09:18:00,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:00" (1/1) ... [2019-11-27 09:18:00,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:18:00,431 INFO L168 Benchmark]: Toolchain (without parser) took 993.79 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 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:00,435 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:00,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:18:00,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.97 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:00,446 INFO L168 Benchmark]: Boogie Preprocessor took 70.51 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:18:00,462 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 806.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.97 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.51 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...