./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0470.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_0470.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 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0470.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 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:09:02,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:02,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:02,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:02,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:02,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:02,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:02,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:02,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:02,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:02,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:02,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:02,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:02,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:02,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:02,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:02,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:02,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:02,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:02,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:02,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:02,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:02,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:02,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:02,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:02,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:02,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:02,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:02,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:02,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:02,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:02,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:02,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:02,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:02,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:02,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:02,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:02,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:02,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:02,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:02,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:02,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:02,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:02,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:02,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:02,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:02,679 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:02,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:02,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:02,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:02,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:02,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:02,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:02,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:02,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:02,686 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:02,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:02,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:02,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:02,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:02,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:02,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:02,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:02,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:02,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:02,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:02,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:02,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:02,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:02,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:02,694 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 -> 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 [2019-11-27 16:09:03,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:03,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:03,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:03,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:03,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:03,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2019-11-27 16:09:03,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc460253/5076be02771c47439920cdc9de238814/FLAG0a02af07c [2019-11-27 16:09:04,463 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:04,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2019-11-27 16:09:04,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc460253/5076be02771c47439920cdc9de238814/FLAG0a02af07c [2019-11-27 16:09:04,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc460253/5076be02771c47439920cdc9de238814 [2019-11-27 16:09:04,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:04,539 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:04,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:04,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:04,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:04,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:04" (1/1) ... [2019-11-27 16:09:04,561 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 04:09:04, skipping insertion in model container [2019-11-27 16:09:04,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:04" (1/1) ... [2019-11-27 16:09:04,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:04,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:05,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:05,318 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:05,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:05,501 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:05,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05 WrapperNode [2019-11-27 16:09:05,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:05,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:05,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:05,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:05,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:05,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:05,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:05,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:05,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:05,851 INFO L168 Benchmark]: Toolchain (without parser) took 1303.15 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 985.8 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:05,853 INFO L168 Benchmark]: CDTParser took 2.80 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 16:09:05,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.17 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: -29.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:05,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.02 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:05,865 INFO L168 Benchmark]: Boogie Preprocessor took 146.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:05,874 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.80 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 960.17 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: -29.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 180.02 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 146.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 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 0.1.24-509859d [2019-11-27 16:09:09,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:09,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:09,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:09,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:09,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:09,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:09,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:09,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:09,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:09,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:09,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:09,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:09,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:09,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:09,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:09,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:09,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:09,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:09,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:09,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:09,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:09,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:09,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:09,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:09,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:09,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:09,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:09,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:09,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:09,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:09,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:09,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:09,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:09,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:09,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:09,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:09,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:09,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:09,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:09,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:09,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:09,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:09,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:09,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:09,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:09,978 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:09,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:09,982 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:09,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:09,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:09,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:09,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:09,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:09,985 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:09,985 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:09,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:09,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:09,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:09,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:09,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:09,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:09,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:09,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:09,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:09,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:09,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:09,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:09,994 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:09,994 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:09,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:09,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:09,996 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 -> 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 [2019-11-27 16:09:10,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:10,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:10,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:10,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:10,616 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:10,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2019-11-27 16:09:10,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab63cda2/1dd6af5f491242babdfaab3d96ca9212/FLAG34412d0fa [2019-11-27 16:09:11,893 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:11,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2019-11-27 16:09:11,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab63cda2/1dd6af5f491242babdfaab3d96ca9212/FLAG34412d0fa [2019-11-27 16:09:11,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab63cda2/1dd6af5f491242babdfaab3d96ca9212 [2019-11-27 16:09:11,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:11,972 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:11,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:11,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:11,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:11,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:11" (1/1) ... [2019-11-27 16:09:11,990 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 04:09:11, skipping insertion in model container [2019-11-27 16:09:11,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:11" (1/1) ... [2019-11-27 16:09:12,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:12,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:12,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:12,752 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:12,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:12,957 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:12,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12 WrapperNode [2019-11-27 16:09:12,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:12,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:12,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:12,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:12,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:13,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:13,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:13,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:13,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:13,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:13,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:13,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:13,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:13,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:13,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:13,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:13,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:13,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:13,255 INFO L168 Benchmark]: Toolchain (without parser) took 1279.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.3 MB in the end (delta: -6.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:13,258 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:13,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 984.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:13,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.22 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 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 16:09:13,266 INFO L168 Benchmark]: Boogie Preprocessor took 147.65 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:13,284 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 984.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.22 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 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. * Boogie Preprocessor took 147.65 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...