./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0661a.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_0661a.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 d7e7e55f386e440ebcd430bb3788c6d3a2200122 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0661a.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 d7e7e55f386e440ebcd430bb3788c6d3a2200122 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:52:20,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:20,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:20,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:20,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:20,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:20,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:20,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:20,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:20,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:20,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:20,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:20,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:20,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:20,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:20,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:20,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:20,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:20,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:20,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:20,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:20,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:20,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:20,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:20,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:20,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:20,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:20,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:20,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:20,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:20,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:20,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:20,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:20,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:20,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:20,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:20,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:20,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:20,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:20,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:20,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:20,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:52:20,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:20,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:20,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:20,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:20,632 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:20,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:20,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:20,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:52:20,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:20,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:20,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:20,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:20,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:20,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:20,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:20,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:20,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:20,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:20,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:20,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:20,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:20,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:20,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:20,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:20,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:20,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:52:20,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:52:20,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:20,651 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 -> d7e7e55f386e440ebcd430bb3788c6d3a2200122 [2019-11-25 22:52:21,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:21,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:21,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:21,295 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:21,296 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:21,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2019-11-25 22:52:21,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d9c420c/04a53229a85a41c48d58b701dcb146a5/FLAG66b796759 [2019-11-25 22:52:22,629 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:22,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2019-11-25 22:52:22,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d9c420c/04a53229a85a41c48d58b701dcb146a5/FLAG66b796759 [2019-11-25 22:52:22,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d9c420c/04a53229a85a41c48d58b701dcb146a5 [2019-11-25 22:52:22,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:22,710 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:22,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:22,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:22,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:22,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:22" (1/1) ... [2019-11-25 22:52:22,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55405a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:22, skipping insertion in model container [2019-11-25 22:52:22,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:22" (1/1) ... [2019-11-25 22:52:22,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:22,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:23,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:23,531 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:23,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:23,729 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:23,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23 WrapperNode [2019-11-25 22:52:23,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:23,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:23,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:23,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:23,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23" (1/1) ... [2019-11-25 22:52:23,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23" (1/1) ... [2019-11-25 22:52:23,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:23,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:23,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:23,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:23,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23" (1/1) ... [2019-11-25 22:52:23,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23" (1/1) ... [2019-11-25 22:52:23,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23" (1/1) ... [2019-11-25 22:52:23,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23" (1/1) ... [2019-11-25 22:52:24,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23" (1/1) ... [2019-11-25 22:52:24,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23" (1/1) ... [2019-11-25 22:52:24,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:23" (1/1) ... [2019-11-25 22:52:24,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:24,109 INFO L168 Benchmark]: Toolchain (without parser) took 1396.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.6 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:24,111 INFO L168 Benchmark]: CDTParser took 0.47 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 22:52:24,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.3 MB in the end (delta: -16.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:24,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.47 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:24,119 INFO L168 Benchmark]: Boogie Preprocessor took 166.76 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:24,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 1022.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.3 MB in the end (delta: -16.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 196.47 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 166.76 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.6 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 0.1.24-65d6cd2 [2019-11-25 22:52:27,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:27,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:27,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:27,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:27,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:27,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:27,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:27,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:27,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:27,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:27,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:27,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:27,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:27,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:27,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:27,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:27,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:28,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:28,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:28,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:28,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:28,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:28,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:28,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:28,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:28,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:28,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:28,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:28,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:28,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:28,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:28,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:28,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:28,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:28,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:28,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:28,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:28,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:28,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:28,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:28,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:52:28,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:28,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:28,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:28,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:28,133 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:28,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:28,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:28,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:28,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:28,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:28,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:28,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:28,139 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:52:28,140 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:52:28,140 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:28,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:28,141 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:28,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:28,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:28,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:28,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:28,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:28,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:28,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:28,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:28,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:28,147 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:52:28,147 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:52:28,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:28,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:52:28,149 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 -> d7e7e55f386e440ebcd430bb3788c6d3a2200122 [2019-11-25 22:52:28,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:28,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:28,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:28,752 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:28,753 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:28,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2019-11-25 22:52:28,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6872bc005/12630b6dc0db47dd82031903ec04aac4/FLAGe02c2b82c [2019-11-25 22:52:29,996 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:30,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2019-11-25 22:52:30,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6872bc005/12630b6dc0db47dd82031903ec04aac4/FLAGe02c2b82c [2019-11-25 22:52:30,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6872bc005/12630b6dc0db47dd82031903ec04aac4 [2019-11-25 22:52:30,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:30,109 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:30,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:30,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:30,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:30,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:30" (1/1) ... [2019-11-25 22:52:30,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9d5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:30, skipping insertion in model container [2019-11-25 22:52:30,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:30" (1/1) ... [2019-11-25 22:52:30,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:30,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:31,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:31,083 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:31,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:31,363 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:31,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31 WrapperNode [2019-11-25 22:52:31,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:31,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:31,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:31,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:31,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31" (1/1) ... [2019-11-25 22:52:31,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31" (1/1) ... [2019-11-25 22:52:31,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:31,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:31,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:31,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:31,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31" (1/1) ... [2019-11-25 22:52:31,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31" (1/1) ... [2019-11-25 22:52:31,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31" (1/1) ... [2019-11-25 22:52:31,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31" (1/1) ... [2019-11-25 22:52:31,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31" (1/1) ... [2019-11-25 22:52:31,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31" (1/1) ... [2019-11-25 22:52:31,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:31" (1/1) ... [2019-11-25 22:52:31,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:31,777 INFO L168 Benchmark]: Toolchain (without parser) took 1663.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.6 MB in the end (delta: -11.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:31,778 INFO L168 Benchmark]: CDTParser took 2.60 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 22:52:31,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1252.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:31,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.88 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:31,787 INFO L168 Benchmark]: Boogie Preprocessor took 209.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:31,792 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.60 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 1252.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 190.88 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 209.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.6 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...