./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/arctan_Pade.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/arctan_Pade.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float-benchs/arctan_Pade.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:49:56,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:56,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:56,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:56,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:56,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:56,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:56,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:56,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:56,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:56,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:56,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:56,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:56,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:56,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:56,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:56,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:56,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:56,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:56,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:56,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:56,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:56,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:56,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:56,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:56,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:56,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:56,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:56,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:56,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:56,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:56,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:56,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:56,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:56,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:56,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:56,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:56,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:56,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:56,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:56,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:56,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:49:56,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:56,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:56,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:56,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:56,715 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:56,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:56,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:56,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:49:56,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:56,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:56,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:56,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:56,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:56,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:56,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:56,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:56,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:56,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:56,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:56,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:56,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:56,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:56,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:56,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:56,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:56,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:49:56,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:49:56,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:56,731 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 -> 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 [2019-11-25 22:49:57,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:57,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:57,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:57,312 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:57,313 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:57,317 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/arctan_Pade.c [2019-11-25 22:49:57,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d866f0265/8d136521ad464242aff311d7801b3a5c/FLAG364e00dab [2019-11-25 22:49:58,423 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:58,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/arctan_Pade.c [2019-11-25 22:49:58,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d866f0265/8d136521ad464242aff311d7801b3a5c/FLAG364e00dab [2019-11-25 22:49:58,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d866f0265/8d136521ad464242aff311d7801b3a5c [2019-11-25 22:49:58,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:58,630 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:58,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:58,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:58,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:58,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:58" (1/1) ... [2019-11-25 22:49:58,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46807bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:58, skipping insertion in model container [2019-11-25 22:49:58,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:58" (1/1) ... [2019-11-25 22:49:58,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:58,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:59,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:59,120 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:59,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:59,173 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:59,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59 WrapperNode [2019-11-25 22:49:59,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:59,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:59,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:59,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:59,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59" (1/1) ... [2019-11-25 22:49:59,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59" (1/1) ... [2019-11-25 22:49:59,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:59,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:59,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:59,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:59,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59" (1/1) ... [2019-11-25 22:49:59,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59" (1/1) ... [2019-11-25 22:49:59,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59" (1/1) ... [2019-11-25 22:49:59,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59" (1/1) ... [2019-11-25 22:49:59,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59" (1/1) ... [2019-11-25 22:49:59,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59" (1/1) ... [2019-11-25 22:49:59,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:59" (1/1) ... [2019-11-25 22:49:59,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:59,419 INFO L168 Benchmark]: Toolchain (without parser) took 785.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:59,434 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:59,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.28 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:59,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:59,444 INFO L168 Benchmark]: Boogie Preprocessor took 62.77 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-25 22:49:59,455 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 541.28 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 166.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.77 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:03,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:03,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:03,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:03,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:03,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:03,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:03,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:03,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:03,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:03,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:03,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:03,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:03,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:03,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:03,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:03,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:03,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:03,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:03,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:03,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:03,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:03,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:03,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:03,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:03,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:03,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:03,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:03,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:03,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:03,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:03,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:03,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:03,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:03,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:03,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:03,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:03,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:03,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:03,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:03,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:03,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:03,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:03,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:03,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:03,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:03,602 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:03,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:03,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:03,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:03,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:03,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:03,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:03,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:03,610 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:03,610 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:03,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:03,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:03,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:03,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:03,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:03,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:03,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:03,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:03,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:03,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:03,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:03,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:03,617 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:03,618 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:03,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:03,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:03,620 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 -> 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 [2019-11-25 22:50:04,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:04,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:04,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:04,295 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:04,299 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:04,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/arctan_Pade.c [2019-11-25 22:50:04,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc552c2a6/8685a141e9754c9ebfd00d09a3081bfb/FLAGa7cafd141 [2019-11-25 22:50:05,432 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:05,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/arctan_Pade.c [2019-11-25 22:50:05,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc552c2a6/8685a141e9754c9ebfd00d09a3081bfb/FLAGa7cafd141 [2019-11-25 22:50:05,635 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc552c2a6/8685a141e9754c9ebfd00d09a3081bfb [2019-11-25 22:50:05,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:05,655 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:05,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:05,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:05,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:05,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:05, skipping insertion in model container [2019-11-25 22:50:05,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:05" (1/1) ... [2019-11-25 22:50:05,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:05,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:06,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:06,137 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:06,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:06,222 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:06,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06 WrapperNode [2019-11-25 22:50:06,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:06,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:06,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:06,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:06,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06" (1/1) ... [2019-11-25 22:50:06,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06" (1/1) ... [2019-11-25 22:50:06,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:06,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:06,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:06,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:06,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06" (1/1) ... [2019-11-25 22:50:06,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06" (1/1) ... [2019-11-25 22:50:06,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06" (1/1) ... [2019-11-25 22:50:06,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06" (1/1) ... [2019-11-25 22:50:06,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06" (1/1) ... [2019-11-25 22:50:06,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06" (1/1) ... [2019-11-25 22:50:06,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:06" (1/1) ... [2019-11-25 22:50:06,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:06,474 INFO L168 Benchmark]: Toolchain (without parser) took 812.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:06,476 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:06,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.97 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:06,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.3 MB in the beginning and 996.9 MB in the end (delta: -42.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:06,499 INFO L168 Benchmark]: Boogie Preprocessor took 72.58 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:06,510 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 564.97 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.3 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 159.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.3 MB in the beginning and 996.9 MB in the end (delta: -42.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.58 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...