./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_1232b.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 36a0a55241cede481b157c1ab9f348d708a5b166 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1232b.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 36a0a55241cede481b157c1ab9f348d708a5b166 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:06:58,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:06:58,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:06:58,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:06:58,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:06:58,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:06:58,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:06:58,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:06:58,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:06:58,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:06:58,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:06:58,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:06:58,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:06:58,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:06:58,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:06:58,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:06:58,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:06:58,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:06:58,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:06:58,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:06:58,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:06:58,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:06:58,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:06:58,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:06:58,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:06:58,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:06:58,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:06:58,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:06:58,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:06:58,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:06:58,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:06:59,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:06:59,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:06:59,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:06:59,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:06:59,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:06:59,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:06:59,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:06:59,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:06:59,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:06:59,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:06:59,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:06:59,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:06:59,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:06:59,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:06:59,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:06:59,069 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:06:59,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:06:59,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:06:59,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:06:59,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:06:59,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:06:59,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:06:59,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:06:59,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:06:59,075 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:06:59,077 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:06:59,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:06:59,077 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:06:59,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:06:59,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:06:59,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:06:59,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:06:59,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:06:59,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:06:59,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:06:59,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:06:59,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:06:59,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:06:59,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:06:59,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:06:59,086 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 -> 36a0a55241cede481b157c1ab9f348d708a5b166 [2019-11-24 21:06:59,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:06:59,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:06:59,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:06:59,707 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:06:59,710 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:06:59,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2019-11-24 21:06:59,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74aebee2/295a975e9b0f4406a682b22bcb90eb2a/FLAGfbd4103db [2019-11-24 21:07:00,957 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:00,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2019-11-24 21:07:00,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74aebee2/295a975e9b0f4406a682b22bcb90eb2a/FLAGfbd4103db [2019-11-24 21:07:01,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74aebee2/295a975e9b0f4406a682b22bcb90eb2a [2019-11-24 21:07:01,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:01,029 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:01,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:01,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:01,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:01,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:01,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01, skipping insertion in model container [2019-11-24 21:07:01,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:01,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:01,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:01,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:01,629 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:01,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:01,843 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:01,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01 WrapperNode [2019-11-24 21:07:01,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:01,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:01,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:01,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:01,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:01,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:01,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:01,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:01,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:01,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:01,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:01,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:01,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:01,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:02,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:02,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:02,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:01" (1/1) ... [2019-11-24 21:07:02,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:02,045 INFO L168 Benchmark]: Toolchain (without parser) took 1007.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:02,046 INFO L168 Benchmark]: CDTParser took 1.76 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. [2019-11-24 21:07:02,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.13 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 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:02,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.18 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:02,068 INFO L168 Benchmark]: Boogie Preprocessor took 71.54 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:02,080 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.76 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 812.13 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 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 106.18 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.54 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:06,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:06,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:06,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:06,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:06,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:06,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:06,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:06,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:06,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:06,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:06,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:06,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:06,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:06,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:06,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:06,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:06,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:06,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:06,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:06,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:06,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:06,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:06,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:06,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:06,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:06,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:06,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:06,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:06,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:06,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:06,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:06,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:06,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:06,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:06,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:06,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:06,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:06,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:06,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:06,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:06,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:06,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:06,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:06,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:06,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:06,248 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:06,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:06,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:06,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:06,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:06,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:06,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:06,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:06,254 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:06,254 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:06,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:06,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:06,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:06,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:06,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:06,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:06,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:06,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:06,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:06,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:06,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:06,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:06,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:06,263 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:06,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:06,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:06,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:06,268 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 -> 36a0a55241cede481b157c1ab9f348d708a5b166 [2019-11-24 21:07:06,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:06,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:06,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:06,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:06,916 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:06,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2019-11-24 21:07:07,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1607861fd/9d13194f89184d2aa879f107361eb81a/FLAG6c796dcf8 [2019-11-24 21:07:08,194 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:08,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2019-11-24 21:07:08,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1607861fd/9d13194f89184d2aa879f107361eb81a/FLAG6c796dcf8 [2019-11-24 21:07:08,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1607861fd/9d13194f89184d2aa879f107361eb81a [2019-11-24 21:07:08,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:08,262 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:08,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:08,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:08,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:08,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:08" (1/1) ... [2019-11-24 21:07:08,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:08, skipping insertion in model container [2019-11-24 21:07:08,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:08" (1/1) ... [2019-11-24 21:07:08,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:08,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:08,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:08,877 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:09,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:09,203 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:09,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09 WrapperNode [2019-11-24 21:07:09,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:09,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:09,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:09,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:09,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09" (1/1) ... [2019-11-24 21:07:09,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09" (1/1) ... [2019-11-24 21:07:09,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:09,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:09,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:09,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:09,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09" (1/1) ... [2019-11-24 21:07:09,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09" (1/1) ... [2019-11-24 21:07:09,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09" (1/1) ... [2019-11-24 21:07:09,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09" (1/1) ... [2019-11-24 21:07:09,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09" (1/1) ... [2019-11-24 21:07:09,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09" (1/1) ... [2019-11-24 21:07:09,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:09" (1/1) ... [2019-11-24 21:07:09,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:09,481 INFO L168 Benchmark]: Toolchain (without parser) took 1209.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:09,482 INFO L168 Benchmark]: CDTParser took 1.17 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. [2019-11-24 21:07:09,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 941.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:09,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.07 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:09,489 INFO L168 Benchmark]: Boogie Preprocessor took 121.36 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:09,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 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 941.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.07 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.36 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...