./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0490b.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_0490b.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 2da48247b776e6180d2b605d662157645a3da524 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0490b.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 2da48247b776e6180d2b605d662157645a3da524 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:09:03,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:03,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:03,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:03,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:03,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:03,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:03,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:03,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:03,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:03,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:03,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:03,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:03,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:03,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:03,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:03,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:03,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:04,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:04,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:04,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:04,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:04,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:04,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:04,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:04,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:04,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:04,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:04,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:04,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:04,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:04,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:04,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:04,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:04,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:04,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:04,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:04,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:04,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:04,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:04,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:04,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:04,117 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:04,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:04,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:04,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:04,124 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:04,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:04,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:04,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:04,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:04,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:04,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:04,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:04,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:04,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:04,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:04,134 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:04,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:04,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:04,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:04,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:04,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:04,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:04,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:04,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:04,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:04,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:04,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:04,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:04,141 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 -> 2da48247b776e6180d2b605d662157645a3da524 [2019-11-27 16:09:04,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:04,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:04,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:04,720 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:04,721 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:04,722 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2019-11-27 16:09:04,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a012e08/5b5a4a2fc5174891acd5b7680ab68283/FLAG4157a8853 [2019-11-27 16:09:05,985 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:05,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2019-11-27 16:09:06,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a012e08/5b5a4a2fc5174891acd5b7680ab68283/FLAG4157a8853 [2019-11-27 16:09:06,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a012e08/5b5a4a2fc5174891acd5b7680ab68283 [2019-11-27 16:09:06,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:06,063 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:06,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:06,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:06,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:06,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:06" (1/1) ... [2019-11-27 16:09:06,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7cbcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:06, skipping insertion in model container [2019-11-27 16:09:06,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:06" (1/1) ... [2019-11-27 16:09:06,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:06,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:06,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:06,904 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:07,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:07,111 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:07,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07 WrapperNode [2019-11-27 16:09:07,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:07,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:07,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:07,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:07,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07" (1/1) ... [2019-11-27 16:09:07,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07" (1/1) ... [2019-11-27 16:09:07,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:07,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:07,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:07,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:07,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07" (1/1) ... [2019-11-27 16:09:07,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07" (1/1) ... [2019-11-27 16:09:07,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07" (1/1) ... [2019-11-27 16:09:07,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07" (1/1) ... [2019-11-27 16:09:07,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07" (1/1) ... [2019-11-27 16:09:07,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07" (1/1) ... [2019-11-27 16:09:07,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:07" (1/1) ... [2019-11-27 16:09:07,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:07,413 INFO L168 Benchmark]: Toolchain (without parser) took 1349.75 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 980.0 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:07,419 INFO L168 Benchmark]: CDTParser took 0.37 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 16:09:07,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1047.83 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 985.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:07,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.48 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:07,430 INFO L168 Benchmark]: Boogie Preprocessor took 150.94 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:07,434 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1047.83 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 985.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 138.48 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 150.94 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:09:11,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:11,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:11,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:11,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:11,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:11,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:11,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:11,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:11,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:11,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:11,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:11,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:11,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:11,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:11,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:11,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:11,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:11,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:11,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:11,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:11,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:11,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:11,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:11,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:11,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:11,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:11,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:11,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:11,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:11,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:11,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:11,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:11,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:11,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:11,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:11,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:11,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:11,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:11,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:11,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:11,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:11,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:11,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:11,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:11,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:11,295 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:11,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:11,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:11,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:11,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:11,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:11,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:11,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:11,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:11,302 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:11,302 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:11,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:11,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:11,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:11,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:11,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:11,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:11,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:11,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:11,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:11,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:11,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:11,310 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:11,310 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:11,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:11,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:11,312 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 -> 2da48247b776e6180d2b605d662157645a3da524 [2019-11-27 16:09:11,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:11,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:11,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:11,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:11,941 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:11,943 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2019-11-27 16:09:12,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61ef5310/3acb31f62150484f801d1b11a5a2ea85/FLAG63421e9d8 [2019-11-27 16:09:13,140 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:13,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2019-11-27 16:09:13,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61ef5310/3acb31f62150484f801d1b11a5a2ea85/FLAG63421e9d8 [2019-11-27 16:09:13,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61ef5310/3acb31f62150484f801d1b11a5a2ea85 [2019-11-27 16:09:13,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:13,266 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:13,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:13,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:13,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:13,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25af3bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13, skipping insertion in model container [2019-11-27 16:09:13,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:13,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:13,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:14,084 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:14,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:14,299 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:14,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14 WrapperNode [2019-11-27 16:09:14,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:14,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:14,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:14,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:14,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:14,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:14,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:14,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:14,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:14" (1/1) ... [2019-11-27 16:09:14,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:14,611 INFO L168 Benchmark]: Toolchain (without parser) took 1341.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.1 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:14,612 INFO L168 Benchmark]: CDTParser took 1.70 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 16:09:14,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1026.33 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: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:14,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.95 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:14,622 INFO L168 Benchmark]: Boogie Preprocessor took 144.13 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:14,645 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70 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 1026.33 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: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 158.95 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 144.13 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 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...