./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1270a.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_1270a.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 fa333650cb1e4cf3e280683e8b2ad72d19029b0d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_1270a.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 fa333650cb1e4cf3e280683e8b2ad72d19029b0d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:00:59,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:59,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:59,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:59,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:59,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:59,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:59,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:59,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:59,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:59,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:59,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:59,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:59,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:59,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:59,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:59,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:59,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:59,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:59,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:59,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:59,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:59,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:59,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:59,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:59,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:59,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:59,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:59,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:59,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:59,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:59,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:59,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:59,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:59,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:59,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:59,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:59,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:59,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:59,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:59,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:59,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:59,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:59,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:59,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:59,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:59,922 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:59,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:59,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:59,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:59,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:59,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:59,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:59,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:59,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:59,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:59,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:59,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:59,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:59,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:59,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:59,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:59,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:59,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:59,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:59,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:59,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:59,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:59,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:59,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:59,937 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 -> fa333650cb1e4cf3e280683e8b2ad72d19029b0d [2019-11-26 17:01:00,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:00,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:00,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:00,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:00,594 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:00,597 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2019-11-26 17:01:00,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f7f5de9/3ab9da678db34e71a3a47aec9012739b/FLAG4e001a47a [2019-11-26 17:01:01,798 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:01,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2019-11-26 17:01:01,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f7f5de9/3ab9da678db34e71a3a47aec9012739b/FLAG4e001a47a [2019-11-26 17:01:02,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f7f5de9/3ab9da678db34e71a3a47aec9012739b [2019-11-26 17:01:02,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:02,014 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:02,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:02,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:02,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:02,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7b7afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02, skipping insertion in model container [2019-11-26 17:01:02,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:02,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:02,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:02,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:02,770 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:02,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:02,947 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:02,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02 WrapperNode [2019-11-26 17:01:02,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:02,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:02,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:02,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:02,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:03,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:03,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:03,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:03,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:03,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:03,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:03,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:03,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:03,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:03,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:03,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:03,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:02" (1/1) ... [2019-11-26 17:01:03,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:03,263 INFO L168 Benchmark]: Toolchain (without parser) took 1245.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.7 MB in the end (delta: -11.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:03,266 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:03,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:03,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.20 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. [2019-11-26 17:01:03,275 INFO L168 Benchmark]: Boogie Preprocessor took 162.98 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:03,287 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 928.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.8 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 136.20 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 162.98 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.7 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 17:01:07,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:07,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:07,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:07,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:07,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:07,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:07,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:07,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:07,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:07,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:07,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:07,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:07,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:07,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:07,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:07,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:07,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:07,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:07,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:07,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:07,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:07,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:07,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:07,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:07,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:07,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:07,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:07,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:07,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:07,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:07,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:07,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:07,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:07,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:07,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:07,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:07,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:07,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:07,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:07,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:07,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:07,468 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:07,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:07,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:07,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:07,478 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:07,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:07,480 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:07,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:07,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:07,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:07,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:07,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:07,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:07,485 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:07,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:07,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:07,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:07,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:07,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:07,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:07,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:07,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:07,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:07,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:07,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:07,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:07,494 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:07,494 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:07,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:07,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:07,496 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 -> fa333650cb1e4cf3e280683e8b2ad72d19029b0d [2019-11-26 17:01:08,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:08,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:08,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:08,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:08,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:08,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2019-11-26 17:01:08,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bfd85710/17a9c0c0b27f47c6bdb1afde55c4ad5a/FLAGdc13a6c65 [2019-11-26 17:01:09,351 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:09,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2019-11-26 17:01:09,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bfd85710/17a9c0c0b27f47c6bdb1afde55c4ad5a/FLAGdc13a6c65 [2019-11-26 17:01:09,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bfd85710/17a9c0c0b27f47c6bdb1afde55c4ad5a [2019-11-26 17:01:09,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:09,482 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:09,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:09,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:09,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:09,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd4a022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:09, skipping insertion in model container [2019-11-26 17:01:09,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:09" (1/1) ... [2019-11-26 17:01:09,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:09,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:10,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:10,256 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:10,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:10,511 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:10,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10 WrapperNode [2019-11-26 17:01:10,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:10,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:10,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:10,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:10,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:10,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:10,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:10,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:10,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:10,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:10,827 INFO L168 Benchmark]: Toolchain (without parser) took 1342.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.0 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:10,829 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:10,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1016.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:10,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.79 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:10,843 INFO L168 Benchmark]: Boogie Preprocessor took 168.84 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:10,849 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1016.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 138.79 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 168.84 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 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...