./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0281.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-newlib/float_req_bl_0281.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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0281.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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:52:08,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:08,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:08,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:08,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:08,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:08,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:08,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:08,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:08,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:08,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:08,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:08,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:08,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:08,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:08,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:08,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:08,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:08,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:08,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:08,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:08,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:08,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:08,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:08,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:08,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:08,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:08,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:08,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:08,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:08,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:08,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:08,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:08,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:08,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:08,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:08,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:08,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:08,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:08,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:08,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:08,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:52:08,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:08,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:08,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:08,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:08,734 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:08,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:08,735 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:08,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:52:08,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:08,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:08,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:08,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:08,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:08,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:08,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:08,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:08,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:08,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:08,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:08,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:08,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:08,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:08,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:08,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:08,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:08,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:52:08,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:52:08,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:08,749 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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-11-25 22:52:09,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:09,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:09,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:09,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:09,331 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:09,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-25 22:52:09,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28bbf8713/d8c4531a2a2b40b0890909b2f60da3b9/FLAG1c7003a51 [2019-11-25 22:52:10,603 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:10,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-25 22:52:10,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28bbf8713/d8c4531a2a2b40b0890909b2f60da3b9/FLAG1c7003a51 [2019-11-25 22:52:10,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28bbf8713/d8c4531a2a2b40b0890909b2f60da3b9 [2019-11-25 22:52:10,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:10,683 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:10,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:10,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:10,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:10,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:10" (1/1) ... [2019-11-25 22:52:10,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f35d551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:10, skipping insertion in model container [2019-11-25 22:52:10,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:10" (1/1) ... [2019-11-25 22:52:10,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:10,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:11,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:11,583 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:11,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:11,816 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:11,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11 WrapperNode [2019-11-25 22:52:11,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:11,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:11,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:11,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:11,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11" (1/1) ... [2019-11-25 22:52:11,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11" (1/1) ... [2019-11-25 22:52:11,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:11,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:11,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:11,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:11,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11" (1/1) ... [2019-11-25 22:52:11,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11" (1/1) ... [2019-11-25 22:52:12,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11" (1/1) ... [2019-11-25 22:52:12,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11" (1/1) ... [2019-11-25 22:52:12,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11" (1/1) ... [2019-11-25 22:52:12,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11" (1/1) ... [2019-11-25 22:52:12,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:11" (1/1) ... [2019-11-25 22:52:12,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:12,130 INFO L168 Benchmark]: Toolchain (without parser) took 1446.37 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:12,137 INFO L168 Benchmark]: CDTParser took 1.12 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 22:52:12,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1132.03 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 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:12,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.44 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:12,149 INFO L168 Benchmark]: Boogie Preprocessor took 149.78 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:12,158 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 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 1132.03 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 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 149.44 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 149.78 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 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 22:52:16,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:16,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:16,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:16,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:16,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:16,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:16,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:16,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:16,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:16,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:16,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:16,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:16,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:16,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:16,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:16,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:16,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:16,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:16,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:16,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:16,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:16,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:16,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:16,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:16,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:16,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:16,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:16,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:16,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:16,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:16,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:16,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:16,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:16,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:16,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:16,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:16,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:16,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:16,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:16,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:16,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:52:16,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:16,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:16,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:16,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:16,431 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:16,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:16,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:16,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:16,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:16,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:16,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:16,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:16,437 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:52:16,441 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:52:16,442 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:16,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:16,442 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:16,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:16,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:16,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:16,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:16,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:16,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:16,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:16,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:16,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:16,446 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:52:16,447 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:52:16,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:16,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:52:16,449 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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-11-25 22:52:17,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:17,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:17,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:17,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:17,080 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:17,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-25 22:52:17,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be73241ff/27f1ffb7ad34484cba99619e8a0ca0d1/FLAGe8724e778 [2019-11-25 22:52:18,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:18,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-25 22:52:18,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be73241ff/27f1ffb7ad34484cba99619e8a0ca0d1/FLAGe8724e778 [2019-11-25 22:52:18,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be73241ff/27f1ffb7ad34484cba99619e8a0ca0d1 [2019-11-25 22:52:18,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:18,432 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:18,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:18,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:18,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:18,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:18" (1/1) ... [2019-11-25 22:52:18,454 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 10:52:18, skipping insertion in model container [2019-11-25 22:52:18,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:18" (1/1) ... [2019-11-25 22:52:18,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:18,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:19,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:19,282 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:19,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:19,559 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:19,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19 WrapperNode [2019-11-25 22:52:19,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:19,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:19,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:19,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:19,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19" (1/1) ... [2019-11-25 22:52:19,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19" (1/1) ... [2019-11-25 22:52:19,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:19,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:19,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:19,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:19,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19" (1/1) ... [2019-11-25 22:52:19,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19" (1/1) ... [2019-11-25 22:52:19,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19" (1/1) ... [2019-11-25 22:52:19,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19" (1/1) ... [2019-11-25 22:52:19,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19" (1/1) ... [2019-11-25 22:52:19,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19" (1/1) ... [2019-11-25 22:52:19,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:19" (1/1) ... [2019-11-25 22:52:19,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:19,930 INFO L168 Benchmark]: Toolchain (without parser) took 1486.85 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 22:52:19,931 INFO L168 Benchmark]: CDTParser took 0.38 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 22:52:19,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1129.03 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 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:19,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.49 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 22:52:19,940 INFO L168 Benchmark]: Boogie Preprocessor took 171.09 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:19,951 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1129.03 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 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 180.49 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. * Boogie Preprocessor took 171.09 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 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...