./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0684a.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 b6e14d9043cb09b811e844719c56ad84744abca8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0684a.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 b6e14d9043cb09b811e844719c56ad84744abca8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:14,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:14,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:14,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:14,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:14,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:14,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:14,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:14,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:14,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:14,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:14,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:14,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:14,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:14,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:14,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:14,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:14,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:14,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:14,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:14,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:14,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:14,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:14,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:14,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:14,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:14,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:14,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:14,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:14,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:14,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:14,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:14,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:14,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:15,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:15,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:15,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:15,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:15,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:15,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:15,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:15,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:15,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:15,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:15,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:15,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:15,068 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:15,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:15,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:15,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:15,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:15,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:15,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:15,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:15,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:15,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:15,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:15,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:15,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:15,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:15,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:15,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:15,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:15,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:15,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:15,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:15,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:15,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:15,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:15,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:15,080 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 -> b6e14d9043cb09b811e844719c56ad84744abca8 [2019-11-26 17:00:15,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:15,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:15,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:15,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:15,661 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:15,665 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2019-11-26 17:00:15,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd169039/71de2fa7b1b5457e9e945fd682aae19b/FLAGe49ea8934 [2019-11-26 17:00:16,909 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:16,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2019-11-26 17:00:16,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd169039/71de2fa7b1b5457e9e945fd682aae19b/FLAGe49ea8934 [2019-11-26 17:00:17,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd169039/71de2fa7b1b5457e9e945fd682aae19b [2019-11-26 17:00:17,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:17,109 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:17,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:17,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:17,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:17,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:17" (1/1) ... [2019-11-26 17:00:17,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6369c289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:17, skipping insertion in model container [2019-11-26 17:00:17,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:17" (1/1) ... [2019-11-26 17:00:17,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:17,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:17,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:17,968 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:18,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:18,204 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:18,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18 WrapperNode [2019-11-26 17:00:18,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:18,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:18,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:18,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:18,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:18,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:18,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:18,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:18,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:18,568 INFO L168 Benchmark]: Toolchain (without parser) took 1452.14 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 978.5 MB in the end (delta: -16.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:18,573 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. [2019-11-26 17:00:18,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1093.71 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 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:18,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.26 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:18,578 INFO L168 Benchmark]: Boogie Preprocessor took 170.91 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:18,591 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 1093.71 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 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.26 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 170.91 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:22,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:22,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:22,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:22,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:22,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:22,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:22,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:22,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:22,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:22,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:22,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:22,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:22,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:22,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:22,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:22,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:22,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:22,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:22,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:22,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:22,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:22,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:22,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:22,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:22,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:22,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:22,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:22,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:22,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:22,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:22,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:22,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:22,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:22,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:22,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:22,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:22,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:22,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:22,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:22,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:22,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:22,777 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:22,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:22,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:22,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:22,785 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:22,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:22,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:22,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:22,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:22,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:22,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:22,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:22,791 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:22,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:22,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:22,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:22,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:22,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:22,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:22,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:22,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:22,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:22,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:22,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:22,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:22,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:22,799 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:22,800 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:22,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:22,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:22,803 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 -> b6e14d9043cb09b811e844719c56ad84744abca8 [2019-11-26 17:00:23,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:23,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:23,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:23,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:23,398 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:23,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2019-11-26 17:00:23,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e2382d72/70052769c0ff44979dc410b7c036644f/FLAG1c28be0d4 [2019-11-26 17:00:24,674 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:24,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2019-11-26 17:00:24,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e2382d72/70052769c0ff44979dc410b7c036644f/FLAG1c28be0d4 [2019-11-26 17:00:24,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e2382d72/70052769c0ff44979dc410b7c036644f [2019-11-26 17:00:24,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:24,749 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:24,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:24,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:24,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:24,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d586f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24, skipping insertion in model container [2019-11-26 17:00:24,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:24,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:25,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:25,649 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:25,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:25,905 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:25,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25 WrapperNode [2019-11-26 17:00:25,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:25,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:25,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:25,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:25,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:26,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:26,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:26,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:26,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:26,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:26,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:26,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:26,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:26,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:26,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:26,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:26,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:26,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:26,384 INFO L168 Benchmark]: Toolchain (without parser) took 1628.52 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:26,387 INFO L168 Benchmark]: CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:26,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1155.11 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 984.2 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:26,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.80 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:26,395 INFO L168 Benchmark]: Boogie Preprocessor took 233.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:26,403 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78 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 1155.11 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 984.2 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 220.80 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 233.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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...