./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1252b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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-newlib/float_req_bl_1252b.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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-newlib/float_req_bl_1252b.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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:59,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:59,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:59,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:59,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:59,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:59,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:59,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:59,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:59,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:59,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:59,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:59,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:59,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:59,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:59,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:59,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:59,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:59,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:59,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:59,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:59,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:59,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:59,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:59,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:59,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:59,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:59,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:59,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:59,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:59,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:59,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:59,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:59,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:59,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:59,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:59,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:59,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:59,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:59,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:59,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:59,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:59,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:59,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:59,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:59,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:59,765 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:59,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:59,766 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:59,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:59,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:59,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:59,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:59,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:59,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:59,772 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:59,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:59,774 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:59,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:59,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:59,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:59,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:59,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:59,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:59,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:59,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:59,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:59,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:59,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:59,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:59,784 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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2019-11-26 17:01:00,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:00,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:00,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:00,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:00,391 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:00,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1252b.c [2019-11-26 17:01:00,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/699c85354/1af4dd8c6f9b41f2b14d8fb4c1e0af45/FLAG64fbb2b9a [2019-11-26 17:01:01,603 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:01,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1252b.c [2019-11-26 17:01:01,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/699c85354/1af4dd8c6f9b41f2b14d8fb4c1e0af45/FLAG64fbb2b9a [2019-11-26 17:01:01,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/699c85354/1af4dd8c6f9b41f2b14d8fb4c1e0af45 [2019-11-26 17:01:01,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:01,676 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:01,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:01,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:01,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:01,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:01, skipping insertion in model container [2019-11-26 17:01:01,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:01" (1/1) ... [2019-11-26 17:01:01,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:01,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:02,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:02,262 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:02,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:02,458 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:02,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02 WrapperNode [2019-11-26 17:01:02,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:02,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:02,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:02,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:02,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:02,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:02,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:02,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:02,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:02,702 INFO L168 Benchmark]: Toolchain (without parser) took 1020.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:02,704 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-11-26 17:01:02,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.12 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:02,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.19 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. [2019-11-26 17:01:02,716 INFO L168 Benchmark]: Boogie Preprocessor took 96.72 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:02,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 781.12 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.19 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. * Boogie Preprocessor took 96.72 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 0.1.24-025d5a2 [2019-11-26 17:01:06,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:06,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:06,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:06,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:06,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:06,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:06,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:06,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:06,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:06,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:06,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:06,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:06,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:06,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:06,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:06,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:06,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:06,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:06,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:06,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:06,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:06,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:06,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:06,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:06,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:06,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:06,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:06,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:06,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:06,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:06,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:06,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:06,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:06,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:06,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:06,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:06,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:06,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:06,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:06,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:06,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:06,697 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:06,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:06,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:06,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:06,705 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:06,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:06,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:06,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:06,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:06,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:06,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:06,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:06,712 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:06,713 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:06,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:06,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:06,714 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:06,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:06,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:06,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:06,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:06,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:06,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:06,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:06,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:06,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:06,720 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:06,722 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:06,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:06,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:06,724 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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2019-11-26 17:01:07,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:07,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:07,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:07,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:07,299 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:07,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1252b.c [2019-11-26 17:01:07,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb693b73e/0a64078970ee4431bd40d5b856c700a3/FLAG27dee2832 [2019-11-26 17:01:08,544 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:08,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1252b.c [2019-11-26 17:01:08,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb693b73e/0a64078970ee4431bd40d5b856c700a3/FLAG27dee2832 [2019-11-26 17:01:08,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb693b73e/0a64078970ee4431bd40d5b856c700a3 [2019-11-26 17:01:08,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:08,621 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:08,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:08,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:08,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:08,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:08, skipping insertion in model container [2019-11-26 17:01:08,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:08" (1/1) ... [2019-11-26 17:01:08,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:08,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:09,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:09,228 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:09,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:09,488 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:09,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09 WrapperNode [2019-11-26 17:01:09,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:09,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:09,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:09,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:09,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:09,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:09,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:09,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:09,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:09,767 INFO L168 Benchmark]: Toolchain (without parser) took 1140.92 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 979.8 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:09,770 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-11-26 17:01:09,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:09,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.72 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:09,779 INFO L168 Benchmark]: Boogie Preprocessor took 123.42 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 979.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:09,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 865.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.72 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 123.42 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 979.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...