./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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_1270b.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 1203da81dc5c48f4dda347acec83e1939b55600b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_1270b.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 1203da81dc5c48f4dda347acec83e1939b55600b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:04,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:04,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:04,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:04,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:04,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:04,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:04,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:04,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:04,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:04,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:04,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:04,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:04,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:04,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:04,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:04,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:04,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:04,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:04,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:04,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:04,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:04,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:04,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:04,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:04,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:04,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:04,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:04,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:04,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:04,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:04,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:04,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:04,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:04,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:04,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:04,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:04,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:04,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:04,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:04,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:04,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:04,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:04,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:04,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:04,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:04,668 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:04,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:04,669 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:04,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:04,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:04,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:04,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:04,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:04,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:04,673 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:04,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:04,674 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:04,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:04,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:04,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:04,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:04,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:04,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:04,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:04,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:04,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:04,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:04,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:04,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:04,683 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 -> 1203da81dc5c48f4dda347acec83e1939b55600b [2019-11-27 16:10:05,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:05,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:05,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:05,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:05,257 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:05,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2019-11-27 16:10:05,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d047e0d5/ed6ffa4fcf724f2cb5cb645f60bbf63a/FLAG824866988 [2019-11-27 16:10:06,552 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:06,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2019-11-27 16:10:06,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d047e0d5/ed6ffa4fcf724f2cb5cb645f60bbf63a/FLAG824866988 [2019-11-27 16:10:06,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d047e0d5/ed6ffa4fcf724f2cb5cb645f60bbf63a [2019-11-27 16:10:06,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:06,635 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:06,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:06,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:06,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:06,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:06" (1/1) ... [2019-11-27 16:10:06,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7cbcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:06, skipping insertion in model container [2019-11-27 16:10:06,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:06" (1/1) ... [2019-11-27 16:10:06,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:06,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:07,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:07,517 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:07,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:07,748 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:07,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07 WrapperNode [2019-11-27 16:10:07,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:07,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:07,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:07,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:07,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:07,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:07,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:07,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:07,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:08,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:08,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:08,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:08,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:08,101 INFO L168 Benchmark]: Toolchain (without parser) took 1465.74 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 980.0 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:08,108 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:08,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1122.07 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:08,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.36 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:08,117 INFO L168 Benchmark]: Boogie Preprocessor took 164.65 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:08,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1122.07 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.36 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 164.65 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:11,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:11,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:12,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:12,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:12,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:12,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:12,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:12,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:12,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:12,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:12,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:12,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:12,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:12,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:12,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:12,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:12,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:12,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:12,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:12,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:12,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:12,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:12,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:12,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:12,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:12,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:12,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:12,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:12,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:12,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:12,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:12,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:12,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:12,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:12,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:12,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:12,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:12,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:12,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:12,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:12,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:12,205 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:12,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:12,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:12,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:12,217 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:12,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:12,219 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:12,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:12,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:12,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:12,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:12,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:12,224 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:12,224 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:12,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:12,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:12,228 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:12,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:12,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:12,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:12,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:12,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:12,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:12,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:12,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:12,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:12,233 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:12,235 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:12,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:12,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:12,237 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 -> 1203da81dc5c48f4dda347acec83e1939b55600b [2019-11-27 16:10:12,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:12,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:12,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:12,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:12,838 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:12,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2019-11-27 16:10:13,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661edc47b/58298c305ab44b3da496b3fc82b4b56e/FLAG87c17b9bc [2019-11-27 16:10:14,136 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:14,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2019-11-27 16:10:14,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661edc47b/58298c305ab44b3da496b3fc82b4b56e/FLAG87c17b9bc [2019-11-27 16:10:14,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661edc47b/58298c305ab44b3da496b3fc82b4b56e [2019-11-27 16:10:14,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:14,217 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:14,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:14,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:14,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:14,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:14" (1/1) ... [2019-11-27 16:10:14,247 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 27.11 04:10:14, skipping insertion in model container [2019-11-27 16:10:14,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:14" (1/1) ... [2019-11-27 16:10:14,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:14,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:15,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:15,140 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:15,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:15,403 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:15,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15 WrapperNode [2019-11-27 16:10:15,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:15,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:15,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:15,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:15,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:15,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:15,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:15,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:15,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:15,774 INFO L168 Benchmark]: Toolchain (without parser) took 1555.12 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 978.7 MB in the end (delta: -17.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:15,775 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:15,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1178.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.4 MB in the end (delta: -22.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:15,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.13 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:15,788 INFO L168 Benchmark]: Boogie Preprocessor took 175.83 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:15,797 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1178.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.4 MB in the end (delta: -22.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 176.13 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 175.83 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.7 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...