./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0480.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_0480.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 8015c985f157600a44233f2d61865f454dda9bb9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0480.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 8015c985f157600a44233f2d61865f454dda9bb9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:09:02,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:02,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:02,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:02,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:02,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:02,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:02,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:02,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:02,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:02,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:02,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:02,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:02,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:02,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:02,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:02,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:02,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:02,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:02,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:02,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:02,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:02,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:02,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:02,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:02,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:02,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:02,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:02,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:02,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:02,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:02,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:02,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:02,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:02,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:02,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:02,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:02,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:02,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:02,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:02,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:02,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:02,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:02,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:02,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:02,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:02,772 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:02,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:02,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:02,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:02,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:02,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:02,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:02,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:02,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:02,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:02,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:02,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:02,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:02,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:02,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:02,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:02,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:02,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:02,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:02,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:02,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:02,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:02,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:02,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:02,788 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 -> 8015c985f157600a44233f2d61865f454dda9bb9 [2019-11-27 16:09:03,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:03,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:03,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:03,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:03,395 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:03,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2019-11-27 16:09:03,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2330c779/5374f155629b4793bcbbd3ba3d71c0be/FLAG3a670aa3e [2019-11-27 16:09:04,614 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:04,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2019-11-27 16:09:04,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2330c779/5374f155629b4793bcbbd3ba3d71c0be/FLAG3a670aa3e [2019-11-27 16:09:04,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2330c779/5374f155629b4793bcbbd3ba3d71c0be [2019-11-27 16:09:04,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:04,873 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:04,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:04,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:04,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:04,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:04" (1/1) ... [2019-11-27 16:09:04,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13de8627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:04, skipping insertion in model container [2019-11-27 16:09:04,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:04" (1/1) ... [2019-11-27 16:09:04,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:04,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:05,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:05,645 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:05,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:05,801 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:05,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05 WrapperNode [2019-11-27 16:09:05,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:05,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:05,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:05,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:05,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:05,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:05,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:05,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:05,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:06,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:06,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:06,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:06,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:06,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:06,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:06,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:05" (1/1) ... [2019-11-27 16:09:06,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:06,149 INFO L168 Benchmark]: Toolchain (without parser) took 1271.12 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 984.4 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:06,153 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:06,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 925.48 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 985.8 MB in the end (delta: -24.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:06,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.79 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 984.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:06,167 INFO L168 Benchmark]: Boogie Preprocessor took 159.05 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:06,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 925.48 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 985.8 MB in the end (delta: -24.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 178.79 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 984.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 159.05 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 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 16:09:09,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:09,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:09,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:09,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:09,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:09,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:09,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:09,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:09,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:09,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:09,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:09,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:09,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:09,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:09,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:09,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:09,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:09,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:09,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:09,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:09,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:09,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:09,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:09,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:09,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:09,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:10,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:10,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:10,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:10,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:10,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:10,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:10,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:10,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:10,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:10,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:10,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:10,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:10,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:10,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:10,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:10,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:10,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:10,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:10,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:10,084 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:10,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:10,086 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:10,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:10,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:10,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:10,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:10,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:10,091 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:10,092 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:10,092 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:10,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:10,093 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:10,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:10,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:10,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:10,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:10,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:10,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:10,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:10,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:10,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:10,098 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:10,099 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:10,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:10,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:10,102 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8015c985f157600a44233f2d61865f454dda9bb9 [2019-11-27 16:09:10,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:10,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:10,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:10,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:10,754 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:10,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2019-11-27 16:09:10,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8bbe777/6f9e3d99a4f04dcbb2ea9df7ba3f0556/FLAGb673ee734 [2019-11-27 16:09:12,018 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:12,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2019-11-27 16:09:12,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8bbe777/6f9e3d99a4f04dcbb2ea9df7ba3f0556/FLAGb673ee734 [2019-11-27 16:09:12,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8bbe777/6f9e3d99a4f04dcbb2ea9df7ba3f0556 [2019-11-27 16:09:12,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:12,106 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:12,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:12,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:12,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:12,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:12,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116ef4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:12, skipping insertion in model container [2019-11-27 16:09:12,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:12" (1/1) ... [2019-11-27 16:09:12,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:12,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:12,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:12,963 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:13,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:13,188 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:13,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13 WrapperNode [2019-11-27 16:09:13,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:13,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:13,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:13,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:13,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:13,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:13,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:13,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:13,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:13" (1/1) ... [2019-11-27 16:09:13,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:13,564 INFO L168 Benchmark]: Toolchain (without parser) took 1454.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.4 MB in the end (delta: -12.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:13,565 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 16:09:13,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1077.22 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 980.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:13,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.83 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:13,574 INFO L168 Benchmark]: Boogie Preprocessor took 176.31 ms. Allocated memory is still 1.0 GB. Free memory was 980.1 MB in the beginning and 974.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:13,595 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 1077.22 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 980.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 174.83 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 176.31 ms. Allocated memory is still 1.0 GB. Free memory was 980.1 MB in the beginning and 974.4 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...