./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1052c.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_1052c.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 93969ab48cbc6136b5ad0701aa11c46dc35b2390 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_1052c.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 93969ab48cbc6136b5ad0701aa11c46dc35b2390 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:00:44,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:44,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:44,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:44,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:44,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:44,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:44,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:44,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:44,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:44,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:44,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:44,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:44,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:44,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:44,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:44,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:44,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:44,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:44,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:44,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:44,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:44,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:44,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:45,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:45,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:45,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:45,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:45,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:45,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:45,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:45,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:45,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:45,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:45,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:45,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:45,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:45,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:45,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:45,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:45,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:45,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:45,076 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:45,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:45,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:45,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:45,084 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:45,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:45,084 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:45,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:45,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:45,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:45,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:45,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:45,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:45,089 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:45,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:45,092 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:45,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:45,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:45,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:45,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:45,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:45,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:45,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:45,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:45,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:45,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:45,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:45,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:45,099 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 -> 93969ab48cbc6136b5ad0701aa11c46dc35b2390 [2019-11-26 17:00:45,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:45,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:45,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:45,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:45,724 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:45,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2019-11-26 17:00:45,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe463cd0a/7c4537f1a5c84c32b015719712738cf9/FLAG2b0bc8a39 [2019-11-26 17:00:46,869 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:46,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2019-11-26 17:00:46,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe463cd0a/7c4537f1a5c84c32b015719712738cf9/FLAG2b0bc8a39 [2019-11-26 17:00:47,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe463cd0a/7c4537f1a5c84c32b015719712738cf9 [2019-11-26 17:00:47,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:47,043 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:47,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:47,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:47,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:47,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:47,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182d43ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47, skipping insertion in model container [2019-11-26 17:00:47,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:47,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:47,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:47,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:47,639 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:47,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:47,851 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:47,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47 WrapperNode [2019-11-26 17:00:47,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:47,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:47,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:47,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:47,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:47,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:47,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:47,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:47,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:47,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:47,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:47,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:47,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:47,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:48,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:48,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:48,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:47" (1/1) ... [2019-11-26 17:00:48,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:48,064 INFO L168 Benchmark]: Toolchain (without parser) took 1008.10 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:48,070 INFO L168 Benchmark]: CDTParser took 1.49 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 17:00:48,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.55 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 991.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:48,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.11 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. [2019-11-26 17:00:48,078 INFO L168 Benchmark]: Boogie Preprocessor took 75.42 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:48,085 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49 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 809.55 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 991.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 116.11 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 75.42 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 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 17:00:51,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:51,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:51,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:51,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:51,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:51,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:51,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:51,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:51,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:51,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:51,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:51,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:51,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:51,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:51,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:51,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:51,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:51,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:51,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:51,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:51,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:51,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:51,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:52,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:52,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:52,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:52,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:52,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:52,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:52,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:52,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:52,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:52,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:52,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:52,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:52,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:52,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:52,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:52,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:52,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:52,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:52,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:52,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:52,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:52,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:52,084 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:52,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:52,085 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:52,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:52,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:52,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:52,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:52,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:52,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:52,090 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:52,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:52,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:52,092 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:52,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:52,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:52,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:52,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:52,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:52,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:52,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:52,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:52,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:52,100 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:52,100 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:52,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:52,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:52,102 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 -> 93969ab48cbc6136b5ad0701aa11c46dc35b2390 [2019-11-26 17:00:52,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:52,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:52,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:52,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:52,692 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:52,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2019-11-26 17:00:52,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dedffecb8/f865fc62792a443087e69c6bf50c80fe/FLAG33d8b3432 [2019-11-26 17:00:53,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:53,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2019-11-26 17:00:53,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dedffecb8/f865fc62792a443087e69c6bf50c80fe/FLAG33d8b3432 [2019-11-26 17:00:54,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dedffecb8/f865fc62792a443087e69c6bf50c80fe [2019-11-26 17:00:54,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:54,018 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:54,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:54,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:54,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:54,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:54,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5336134e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54, skipping insertion in model container [2019-11-26 17:00:54,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:54,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:54,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:54,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:54,661 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:54,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:54,921 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:54,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54 WrapperNode [2019-11-26 17:00:54,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:54,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:54,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:54,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:54,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:54,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:55,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:55,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:55,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:55,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:55,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:55,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:55,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:55,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:55,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:55,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:55,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:54" (1/1) ... [2019-11-26 17:00:55,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:55,137 INFO L168 Benchmark]: Toolchain (without parser) took 1115.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 989.8 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:55,139 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-26 17:00:55,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 903.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:55,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.39 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. [2019-11-26 17:00:55,152 INFO L168 Benchmark]: Boogie Preprocessor took 95.19 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:55,168 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 903.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.39 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 95.19 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 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...