./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_0920a.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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0920a.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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:52:43,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:43,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:43,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:43,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:43,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:43,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:43,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:43,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:43,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:43,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:43,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:43,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:43,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:43,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:43,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:43,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:43,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:43,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:43,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:43,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:43,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:43,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:43,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:43,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:43,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:43,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:43,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:43,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:43,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:43,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:43,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:43,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:43,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:43,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:43,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:43,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:43,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:43,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:43,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:43,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:43,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:52:43,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:43,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:43,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:43,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:43,578 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:43,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:43,580 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:43,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:52:43,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:43,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:43,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:43,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:43,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:43,586 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:43,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:43,587 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:43,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:43,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:43,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:43,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:43,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:43,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:43,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:43,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:43,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:43,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:52:43,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:52:43,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:43,591 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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2019-11-25 22:52:44,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:44,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:44,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:44,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:44,073 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:44,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-25 22:52:44,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506e035d2/8d3c898125d2427f847e3fd78598a1b0/FLAG69bee4d2c [2019-11-25 22:52:44,949 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:44,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-25 22:52:44,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506e035d2/8d3c898125d2427f847e3fd78598a1b0/FLAG69bee4d2c [2019-11-25 22:52:45,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506e035d2/8d3c898125d2427f847e3fd78598a1b0 [2019-11-25 22:52:45,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:45,255 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:45,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:45,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:45,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:45,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:45,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4569779c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45, skipping insertion in model container [2019-11-25 22:52:45,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:45,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:45,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:45,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:45,825 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:45,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:45,976 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:45,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45 WrapperNode [2019-11-25 22:52:45,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:45,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:45,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:45,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:45,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:46,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:46,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:46,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:46,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:46,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:46,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:46,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:46,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:46,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:46,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:46,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:46,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:45" (1/1) ... [2019-11-25 22:52:46,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:46,163 INFO L168 Benchmark]: Toolchain (without parser) took 907.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.8 MB in the end (delta: -25.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:46,164 INFO L168 Benchmark]: CDTParser took 1.25 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. [2019-11-25 22:52:46,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:46,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.82 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. [2019-11-25 22:52:46,178 INFO L168 Benchmark]: Boogie Preprocessor took 93.67 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:46,185 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 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 722.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 77.82 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 93.67 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 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 0.1.24-65d6cd2 [2019-11-25 22:52:48,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:48,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:48,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:48,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:48,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:48,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:48,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:48,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:48,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:48,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:48,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:49,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:49,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:49,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:49,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:49,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:49,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:49,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:49,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:49,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:49,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:49,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:49,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:49,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:49,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:49,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:49,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:49,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:49,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:49,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:49,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:49,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:49,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:49,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:49,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:49,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:49,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:49,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:49,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:49,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:49,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:52:49,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:49,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:49,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:49,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:49,094 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:49,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:49,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:49,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:49,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:49,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:49,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:49,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:49,098 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:52:49,100 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:52:49,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:49,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:49,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:49,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:49,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:49,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:49,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:49,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:49,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:49,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:49,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:49,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:49,103 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:52:49,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:52:49,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:49,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:52:49,106 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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2019-11-25 22:52:49,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:49,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:49,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:49,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:49,559 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:49,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-25 22:52:49,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f955555d/cfb9db3d57ee49f69162151887980fbf/FLAG2537ac93e [2019-11-25 22:52:50,409 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:50,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-25 22:52:50,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f955555d/cfb9db3d57ee49f69162151887980fbf/FLAG2537ac93e [2019-11-25 22:52:50,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f955555d/cfb9db3d57ee49f69162151887980fbf [2019-11-25 22:52:50,726 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:50,728 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:50,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:50,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:50,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:50,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:50" (1/1) ... [2019-11-25 22:52:50,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a61c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:50, skipping insertion in model container [2019-11-25 22:52:50,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:50" (1/1) ... [2019-11-25 22:52:50,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:50,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:51,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:51,277 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:51,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:51,464 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:51,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51 WrapperNode [2019-11-25 22:52:51,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:51,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:51,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:51,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:51,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51" (1/1) ... [2019-11-25 22:52:51,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51" (1/1) ... [2019-11-25 22:52:51,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:51,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:51,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:51,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:51,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51" (1/1) ... [2019-11-25 22:52:51,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51" (1/1) ... [2019-11-25 22:52:51,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51" (1/1) ... [2019-11-25 22:52:51,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51" (1/1) ... [2019-11-25 22:52:51,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51" (1/1) ... [2019-11-25 22:52:51,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51" (1/1) ... [2019-11-25 22:52:51,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:51" (1/1) ... [2019-11-25 22:52:51,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:51,664 INFO L168 Benchmark]: Toolchain (without parser) took 933.25 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 985.7 MB in the end (delta: -19.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:51,672 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-25 22:52:51,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.26 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 991.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:51,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.25 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:51,676 INFO L168 Benchmark]: Boogie Preprocessor took 93.33 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:51,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 734.26 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 991.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 96.25 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 93.33 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 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...