./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1121b.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_1121b.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 73dc70fc086318c728ead326eb8ef835fee9f9a2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1121b.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 73dc70fc086318c728ead326eb8ef835fee9f9a2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:09:54,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:54,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:54,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:54,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:54,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:54,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:54,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:54,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:54,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:54,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:54,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:54,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:54,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:54,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:54,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:54,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:54,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:54,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:54,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:54,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:54,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:54,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:54,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:54,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:54,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:54,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:54,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:54,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:54,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:54,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:54,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:54,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:54,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:54,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:54,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:54,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:54,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:54,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:54,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:54,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:54,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:55,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:55,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:55,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:55,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:55,015 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:55,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:55,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:55,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:55,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:55,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:55,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:55,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:55,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:55,021 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:55,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:55,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:55,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:55,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:55,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:55,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:55,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:55,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:55,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:55,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:55,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:55,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:55,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:55,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:55,031 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 -> 73dc70fc086318c728ead326eb8ef835fee9f9a2 [2019-11-27 16:09:55,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:55,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:55,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:55,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:55,673 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:55,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2019-11-27 16:09:55,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b349f01b/756af185f30f4fdfa6d72ab748d7f2cc/FLAG269401748 [2019-11-27 16:09:56,858 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:56,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2019-11-27 16:09:56,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b349f01b/756af185f30f4fdfa6d72ab748d7f2cc/FLAG269401748 [2019-11-27 16:09:56,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b349f01b/756af185f30f4fdfa6d72ab748d7f2cc [2019-11-27 16:09:56,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:56,991 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:56,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:56,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:57,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:57,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:56" (1/1) ... [2019-11-27 16:09:57,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601bf59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57, skipping insertion in model container [2019-11-27 16:09:57,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:56" (1/1) ... [2019-11-27 16:09:57,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:57,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:57,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:57,738 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:57,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:57,885 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:57,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57 WrapperNode [2019-11-27 16:09:57,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:57,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:57,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:57,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:57,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:58,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:58,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:58,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:58,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:58,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:58,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:58,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:58,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:58,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:58,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:58,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:58,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:58,129 INFO L168 Benchmark]: Toolchain (without parser) took 1119.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 980.1 MB in the end (delta: -19.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:58,130 INFO L168 Benchmark]: CDTParser took 0.42 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 16:09:58,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:58,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.66 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:58,141 INFO L168 Benchmark]: Boogie Preprocessor took 94.61 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:58,156 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 889.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.66 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 94.61 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:01,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:01,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:02,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:02,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:02,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:02,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:02,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:02,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:02,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:02,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:02,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:02,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:02,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:02,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:02,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:02,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:02,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:02,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:02,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:02,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:02,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:02,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:02,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:02,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:02,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:02,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:02,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:02,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:02,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:02,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:02,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:02,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:02,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:02,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:02,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:02,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:02,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:02,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:02,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:02,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:02,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:02,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:02,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:02,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:02,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:02,228 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:02,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:02,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:02,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:02,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:02,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:02,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:02,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:02,233 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:02,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:02,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:02,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:02,236 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:02,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:02,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:02,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:02,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:02,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:02,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:02,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:02,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:02,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:02,244 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:02,244 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:02,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:02,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:02,246 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 -> 73dc70fc086318c728ead326eb8ef835fee9f9a2 [2019-11-27 16:10:02,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:02,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:02,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:02,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:02,872 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:02,874 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2019-11-27 16:10:03,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c21cd17/2a2ddd22f63c47c8a3e291e34c28390b/FLAG0f8db1266 [2019-11-27 16:10:04,047 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:04,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2019-11-27 16:10:04,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c21cd17/2a2ddd22f63c47c8a3e291e34c28390b/FLAG0f8db1266 [2019-11-27 16:10:04,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c21cd17/2a2ddd22f63c47c8a3e291e34c28390b [2019-11-27 16:10:04,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:04,195 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:04,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:04,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:04,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:04,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f933ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04, skipping insertion in model container [2019-11-27 16:10:04,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:04,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:04,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:04,919 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:05,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:05,082 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:05,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05 WrapperNode [2019-11-27 16:10:05,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:05,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:05,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:05,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:05,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:05,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:05,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:05,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:05,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:05" (1/1) ... [2019-11-27 16:10:05,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:05,344 INFO L168 Benchmark]: Toolchain (without parser) took 1147.04 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 984.3 MB in the end (delta: -16.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:05,345 INFO L168 Benchmark]: CDTParser took 0.37 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 16:10:05,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.28 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 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:05,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.33 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:05,356 INFO L168 Benchmark]: Boogie Preprocessor took 132.26 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 984.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:05,367 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 887.28 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 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 112.33 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 132.26 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 984.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...