./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_poly2.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/sqrt_poly2.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 b63905375af38d9971341930078b6c47230c38fd ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sqrt_poly2.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 b63905375af38d9971341930078b6c47230c38fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:50:27,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:27,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:27,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:27,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:27,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:27,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:27,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:27,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:27,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:27,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:27,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:27,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:27,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:27,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:27,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:27,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:27,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:27,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:27,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:27,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:27,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:27,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:27,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:27,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:27,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:27,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:27,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:27,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:27,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:27,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:27,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:27,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:27,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:27,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:27,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:27,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:27,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:27,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:27,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:27,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:27,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:27,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:27,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:27,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:27,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:27,655 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:27,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:27,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:27,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:27,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:27,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:27,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:27,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:27,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:27,662 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:27,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:27,664 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:27,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:27,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:27,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:27,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:27,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:27,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:27,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:27,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:27,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:27,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:27,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:27,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:27,671 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 -> b63905375af38d9971341930078b6c47230c38fd [2019-11-25 22:50:28,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:28,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:28,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:28,255 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:28,256 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:28,257 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-11-25 22:50:28,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d8688d7d/78b3329cdf0643bdacd139ec67444a2d/FLAG0cfe4f55b [2019-11-25 22:50:29,510 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:29,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-11-25 22:50:29,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d8688d7d/78b3329cdf0643bdacd139ec67444a2d/FLAG0cfe4f55b [2019-11-25 22:50:29,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d8688d7d/78b3329cdf0643bdacd139ec67444a2d [2019-11-25 22:50:29,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:29,580 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:29,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:29,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:29,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:29,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:29" (1/1) ... [2019-11-25 22:50:29,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116ef4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:29, skipping insertion in model container [2019-11-25 22:50:29,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:29" (1/1) ... [2019-11-25 22:50:29,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:29,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:30,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:30,194 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:30,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:30,403 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:30,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30 WrapperNode [2019-11-25 22:50:30,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:30,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:30,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:30,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:30,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30" (1/1) ... [2019-11-25 22:50:30,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30" (1/1) ... [2019-11-25 22:50:30,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:30,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:30,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:30,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:30,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30" (1/1) ... [2019-11-25 22:50:30,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30" (1/1) ... [2019-11-25 22:50:30,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30" (1/1) ... [2019-11-25 22:50:30,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30" (1/1) ... [2019-11-25 22:50:30,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30" (1/1) ... [2019-11-25 22:50:30,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30" (1/1) ... [2019-11-25 22:50:30,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:30" (1/1) ... [2019-11-25 22:50:30,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:30,612 INFO L168 Benchmark]: Toolchain (without parser) took 1026.10 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:30,622 INFO L168 Benchmark]: CDTParser took 2.50 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 22:50:30,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.66 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:30,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:30,636 INFO L168 Benchmark]: Boogie Preprocessor took 62.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:30,646 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.50 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 817.66 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 991.4 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 126.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:34,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:34,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:34,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:34,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:34,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:34,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:34,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:34,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:34,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:34,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:34,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:34,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:34,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:34,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:34,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:34,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:34,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:34,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:34,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:34,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:34,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:34,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:34,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:34,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:34,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:34,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:34,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:34,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:34,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:34,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:34,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:34,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:34,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:34,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:34,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:34,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:34,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:34,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:34,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:34,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:34,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:34,767 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:34,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:34,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:34,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:34,775 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:34,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:34,777 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:34,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:34,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:34,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:34,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:34,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:34,780 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:34,782 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:34,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:34,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:34,783 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:34,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:34,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:34,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:34,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:34,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:34,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:34,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:34,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:34,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:34,791 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:34,791 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:34,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:34,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:34,793 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 -> b63905375af38d9971341930078b6c47230c38fd [2019-11-25 22:50:35,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:35,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:35,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:35,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:35,394 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:35,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-11-25 22:50:35,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/606b185ef/1c8b53e2d4c1457ea1d2a32bbc6272e2/FLAG40de0441c [2019-11-25 22:50:36,628 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:36,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-11-25 22:50:36,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/606b185ef/1c8b53e2d4c1457ea1d2a32bbc6272e2/FLAG40de0441c [2019-11-25 22:50:36,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/606b185ef/1c8b53e2d4c1457ea1d2a32bbc6272e2 [2019-11-25 22:50:36,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:36,705 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:36,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:36,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:36,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:36,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:36" (1/1) ... [2019-11-25 22:50:36,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116ef4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:36, skipping insertion in model container [2019-11-25 22:50:36,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:36" (1/1) ... [2019-11-25 22:50:36,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:36,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:37,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:37,326 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:37,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:37,596 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:37,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37 WrapperNode [2019-11-25 22:50:37,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:37,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:37,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:37,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:37,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37" (1/1) ... [2019-11-25 22:50:37,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37" (1/1) ... [2019-11-25 22:50:37,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:37,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:37,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:37,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:37,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37" (1/1) ... [2019-11-25 22:50:37,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37" (1/1) ... [2019-11-25 22:50:37,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37" (1/1) ... [2019-11-25 22:50:37,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37" (1/1) ... [2019-11-25 22:50:37,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37" (1/1) ... [2019-11-25 22:50:37,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37" (1/1) ... [2019-11-25 22:50:37,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:37" (1/1) ... [2019-11-25 22:50:37,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:37,879 INFO L168 Benchmark]: Toolchain (without parser) took 1168.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:37,882 INFO L168 Benchmark]: CDTParser took 2.84 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 22:50:37,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 888.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:37,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.85 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:37,891 INFO L168 Benchmark]: Boogie Preprocessor took 120.28 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:37,903 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.84 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 888.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 141.85 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.28 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 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...