./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1092c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_1092c.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 515d13351b6efee56e7d1331680e6aaafc770d9e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_1092c.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 515d13351b6efee56e7d1331680e6aaafc770d9e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:48,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:48,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:48,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:48,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:48,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:48,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:48,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:48,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:48,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:48,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:48,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:48,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:48,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:48,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:48,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:48,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:48,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:48,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:48,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:48,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:48,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:48,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:48,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:48,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:48,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:48,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:48,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:48,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:48,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:48,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:48,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:48,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:48,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:48,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:48,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:48,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:48,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:48,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:48,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:48,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:48,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:48,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:48,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:48,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:48,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:48,929 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:48,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:48,930 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:48,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:48,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:48,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:48,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:48,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:48,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:48,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:48,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:48,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:48,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:48,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:48,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:48,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:48,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:48,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:48,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:48,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:48,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:48,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:48,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:48,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:48,947 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 -> 515d13351b6efee56e7d1331680e6aaafc770d9e [2019-11-26 17:00:49,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:49,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:49,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:49,520 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:49,526 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:49,528 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2019-11-26 17:00:49,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97deb13ec/8ed974360ec94957b4b570941a7d1696/FLAGecb263dff [2019-11-26 17:00:50,772 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:50,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2019-11-26 17:00:50,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97deb13ec/8ed974360ec94957b4b570941a7d1696/FLAGecb263dff [2019-11-26 17:00:50,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97deb13ec/8ed974360ec94957b4b570941a7d1696 [2019-11-26 17:00:50,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:50,845 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:50,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:50,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:50,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:50,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:50" (1/1) ... [2019-11-26 17:00:50,868 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 26.11 05:00:50, skipping insertion in model container [2019-11-26 17:00:50,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:50" (1/1) ... [2019-11-26 17:00:50,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:50,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:51,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:51,388 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:51,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:51,598 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:51,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51 WrapperNode [2019-11-26 17:00:51,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:51,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:51,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:51,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:51,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51" (1/1) ... [2019-11-26 17:00:51,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51" (1/1) ... [2019-11-26 17:00:51,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:51,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:51,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:51,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:51,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51" (1/1) ... [2019-11-26 17:00:51,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51" (1/1) ... [2019-11-26 17:00:51,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51" (1/1) ... [2019-11-26 17:00:51,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51" (1/1) ... [2019-11-26 17:00:51,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51" (1/1) ... [2019-11-26 17:00:51,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51" (1/1) ... [2019-11-26 17:00:51,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:51" (1/1) ... [2019-11-26 17:00:51,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:51,826 INFO L168 Benchmark]: Toolchain (without parser) took 978.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.7 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:51,832 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-11-26 17:00:51,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.84 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. [2019-11-26 17:00:51,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.00 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. [2019-11-26 17:00:51,839 INFO L168 Benchmark]: Boogie Preprocessor took 90.93 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:51,848 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 753.84 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 126.00 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 90.93 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:55,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:55,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:55,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:55,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:55,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:55,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:55,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:55,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:55,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:55,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:55,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:55,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:55,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:55,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:55,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:55,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:55,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:55,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:55,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:55,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:55,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:55,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:55,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:55,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:55,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:55,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:55,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:55,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:55,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:55,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:55,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:55,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:55,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:55,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:55,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:55,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:55,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:55,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:55,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:55,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:55,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:55,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:55,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:55,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:55,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:55,978 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:55,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:55,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:55,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:55,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:55,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:55,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:55,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:55,981 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:55,983 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:55,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:55,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:55,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:55,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:55,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:55,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:55,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:55,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:55,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:55,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:55,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:55,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:55,994 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:55,994 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:55,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:55,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:56,000 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 -> 515d13351b6efee56e7d1331680e6aaafc770d9e [2019-11-26 17:00:56,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:56,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:56,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:56,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:56,608 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:56,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2019-11-26 17:00:56,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f305ba3/785f6d91484f4c4da651e27f641f0caa/FLAG8b80086a1 [2019-11-26 17:00:57,845 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:57,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2019-11-26 17:00:57,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f305ba3/785f6d91484f4c4da651e27f641f0caa/FLAG8b80086a1 [2019-11-26 17:00:57,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f305ba3/785f6d91484f4c4da651e27f641f0caa [2019-11-26 17:00:57,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:57,917 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:57,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:57,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:57,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:57,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:57" (1/1) ... [2019-11-26 17:00:57,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:57, skipping insertion in model container [2019-11-26 17:00:57,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:57" (1/1) ... [2019-11-26 17:00:57,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:58,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:58,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:58,509 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:58,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:58,766 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:58,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58 WrapperNode [2019-11-26 17:00:58,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:58,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:58,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:58,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:58,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:58,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:58,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:58,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:58,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:58" (1/1) ... [2019-11-26 17:00:58,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:59,000 INFO L168 Benchmark]: Toolchain (without parser) took 1080.60 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 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:59,001 INFO L168 Benchmark]: CDTParser took 0.32 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. [2019-11-26 17:00:59,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.91 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:59,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.30 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:59,006 INFO L168 Benchmark]: Boogie Preprocessor took 102.37 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:59,021 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 841.91 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 105.30 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 102.37 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 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...