./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_1052b.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 02d9fa71bb5dc4dc4df0d2e6f9518debee649c89 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1052b.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 02d9fa71bb5dc4dc4df0d2e6f9518debee649c89 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:06:44,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:06:44,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:06:44,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:06:44,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:06:44,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:06:44,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:06:44,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:06:44,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:06:44,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:06:44,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:06:44,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:06:44,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:06:44,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:06:44,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:06:44,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:06:44,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:06:44,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:06:44,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:06:44,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:06:44,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:06:44,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:06:44,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:06:44,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:06:44,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:06:44,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:06:44,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:06:44,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:06:44,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:06:44,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:06:44,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:06:44,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:06:44,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:06:44,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:06:44,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:06:44,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:06:44,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:06:44,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:06:44,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:06:44,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:06:44,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:06:44,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:06:44,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:06:44,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:06:44,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:06:44,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:06:44,897 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:06:44,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:06:44,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:06:44,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:06:44,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:06:44,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:06:44,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:06:44,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:06:44,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:06:44,906 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:06:44,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:06:44,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:06:44,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:06:44,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:06:44,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:06:44,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:06:44,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:06:44,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:06:44,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:06:44,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:06:44,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:06:44,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:06:44,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:06:44,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:06:44,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:06:44,914 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 -> 02d9fa71bb5dc4dc4df0d2e6f9518debee649c89 [2019-11-24 21:06:45,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:06:45,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:06:45,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:06:45,487 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:06:45,488 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:06:45,489 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2019-11-24 21:06:45,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fea213976/32d0e466ac784eba9dcb92826b5cbcc8/FLAG2a5cf9ea3 [2019-11-24 21:06:46,698 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:06:46,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2019-11-24 21:06:46,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fea213976/32d0e466ac784eba9dcb92826b5cbcc8/FLAG2a5cf9ea3 [2019-11-24 21:06:46,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fea213976/32d0e466ac784eba9dcb92826b5cbcc8 [2019-11-24 21:06:46,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:06:46,768 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:06:46,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:06:46,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:06:46,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:06:46,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:06:46" (1/1) ... [2019-11-24 21:06:46,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:46, skipping insertion in model container [2019-11-24 21:06:46,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:06:46" (1/1) ... [2019-11-24 21:06:46,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:06:46,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:06:47,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:06:47,410 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:06:47,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:06:47,653 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:06:47,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47 WrapperNode [2019-11-24 21:06:47,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:06:47,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:06:47,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:06:47,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:06:47,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47" (1/1) ... [2019-11-24 21:06:47,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47" (1/1) ... [2019-11-24 21:06:47,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:06:47,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:06:47,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:06:47,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:06:47,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47" (1/1) ... [2019-11-24 21:06:47,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47" (1/1) ... [2019-11-24 21:06:47,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47" (1/1) ... [2019-11-24 21:06:47,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47" (1/1) ... [2019-11-24 21:06:47,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47" (1/1) ... [2019-11-24 21:06:47,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47" (1/1) ... [2019-11-24 21:06:47,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:47" (1/1) ... [2019-11-24 21:06:47,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:06:47,887 INFO L168 Benchmark]: Toolchain (without parser) took 1112.93 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: -24.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:06:47,888 INFO L168 Benchmark]: CDTParser took 3.29 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. [2019-11-24 21:06:47,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 881.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:06:47,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:06:47,901 INFO L168 Benchmark]: Boogie Preprocessor took 101.88 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. [2019-11-24 21:06:47,915 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.29 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 881.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 111.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 101.88 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:06:51,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:06:51,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:06:51,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:06:51,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:06:51,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:06:51,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:06:51,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:06:51,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:06:51,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:06:51,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:06:51,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:06:51,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:06:51,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:06:51,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:06:51,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:06:51,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:06:51,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:06:51,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:06:51,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:06:51,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:06:51,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:06:51,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:06:51,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:06:51,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:06:51,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:06:51,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:06:51,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:06:51,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:06:51,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:06:51,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:06:51,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:06:51,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:06:51,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:06:51,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:06:51,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:06:51,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:06:51,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:06:51,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:06:51,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:06:51,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:06:51,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:06:52,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:06:52,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:06:52,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:06:52,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:06:52,036 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:06:52,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:06:52,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:06:52,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:06:52,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:06:52,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:06:52,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:06:52,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:06:52,043 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:06:52,044 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:06:52,044 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:06:52,044 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:06:52,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:06:52,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:06:52,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:06:52,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:06:52,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:06:52,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:06:52,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:06:52,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:06:52,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:06:52,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:06:52,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:06:52,053 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:06:52,053 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:06:52,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:06:52,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:06:52,056 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 -> 02d9fa71bb5dc4dc4df0d2e6f9518debee649c89 [2019-11-24 21:06:52,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:06:52,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:06:52,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:06:52,658 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:06:52,661 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:06:52,662 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2019-11-24 21:06:52,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b20a8d110/3de3f4c9982a4a62a2963a82d880d8ae/FLAG6526fc08f [2019-11-24 21:06:53,904 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:06:53,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2019-11-24 21:06:53,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b20a8d110/3de3f4c9982a4a62a2963a82d880d8ae/FLAG6526fc08f [2019-11-24 21:06:53,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b20a8d110/3de3f4c9982a4a62a2963a82d880d8ae [2019-11-24 21:06:53,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:06:53,982 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:06:53,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:06:53,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:06:53,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:06:53,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:06:53" (1/1) ... [2019-11-24 21:06:54,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54, skipping insertion in model container [2019-11-24 21:06:54,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:06:53" (1/1) ... [2019-11-24 21:06:54,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:06:54,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:06:54,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:06:54,637 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:06:54,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:06:54,908 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:06:54,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54 WrapperNode [2019-11-24 21:06:54,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:06:54,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:06:54,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:06:54,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:06:54,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54" (1/1) ... [2019-11-24 21:06:54,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54" (1/1) ... [2019-11-24 21:06:55,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:06:55,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:06:55,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:06:55,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:06:55,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54" (1/1) ... [2019-11-24 21:06:55,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54" (1/1) ... [2019-11-24 21:06:55,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54" (1/1) ... [2019-11-24 21:06:55,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54" (1/1) ... [2019-11-24 21:06:55,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54" (1/1) ... [2019-11-24 21:06:55,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54" (1/1) ... [2019-11-24 21:06:55,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:54" (1/1) ... [2019-11-24 21:06:55,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:06:55,129 INFO L168 Benchmark]: Toolchain (without parser) took 1146.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:06:55,132 INFO L168 Benchmark]: CDTParser took 3.41 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. [2019-11-24 21:06:55,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:06:55,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.62 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:06:55,141 INFO L168 Benchmark]: Boogie Preprocessor took 97.99 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:06:55,152 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.41 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 929.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 107.62 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.99 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...