./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0681a.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_0681a.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 1990b587e642aad15e3e0c0d5b368810c379f55e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0681a.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 1990b587e642aad15e3e0c0d5b368810c379f55e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:00:12,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:12,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:12,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:12,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:12,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:12,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:12,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:12,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:12,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:12,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:12,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:12,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:12,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:12,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:12,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:12,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:12,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:12,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:12,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:12,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:12,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:12,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:12,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:12,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:12,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:12,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:12,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:12,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:12,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:12,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:12,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:12,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:12,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:12,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:12,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:12,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:12,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:12,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:12,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:12,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:12,801 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:12,850 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:12,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:12,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:12,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:12,865 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:12,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:12,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:12,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:12,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:12,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:12,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:12,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:12,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:12,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:12,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:12,874 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:12,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:12,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:12,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:12,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:12,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:12,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:12,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:12,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:12,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:12,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:12,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:12,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:12,880 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 -> 1990b587e642aad15e3e0c0d5b368810c379f55e [2019-11-26 17:00:13,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:13,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:13,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:13,486 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:13,488 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:13,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2019-11-26 17:00:13,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dfdea094/05203efdb52d4ecd8d393e2966557ad0/FLAGf798e1964 [2019-11-26 17:00:14,669 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:14,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2019-11-26 17:00:14,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dfdea094/05203efdb52d4ecd8d393e2966557ad0/FLAGf798e1964 [2019-11-26 17:00:14,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dfdea094/05203efdb52d4ecd8d393e2966557ad0 [2019-11-26 17:00:14,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:14,790 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:14,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:14,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:14,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:14,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:14" (1/1) ... [2019-11-26 17:00:14,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9d5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:14, skipping insertion in model container [2019-11-26 17:00:14,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:14" (1/1) ... [2019-11-26 17:00:14,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:14,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:15,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:15,636 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:15,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:15,837 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:15,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15 WrapperNode [2019-11-26 17:00:15,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:15,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:15,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:15,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:15,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:15,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:16,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:16,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:16,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:16,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:16,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:16,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:16,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:16,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:16,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:16,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:16,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:16,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:16,214 INFO L168 Benchmark]: Toolchain (without parser) took 1419.94 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 980.0 MB in the end (delta: -12.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:16,220 INFO L168 Benchmark]: CDTParser took 0.46 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 17:00:16,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1048.96 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 21.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:16,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.39 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:16,229 INFO L168 Benchmark]: Boogie Preprocessor took 164.30 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:16,236 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 1048.96 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 21.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 186.39 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 164.30 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.0 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 17:00:20,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:20,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:20,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:20,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:20,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:20,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:20,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:20,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:20,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:20,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:20,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:20,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:20,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:20,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:20,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:20,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:20,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:20,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:20,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:20,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:20,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:20,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:20,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:20,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:20,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:20,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:20,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:20,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:20,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:20,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:20,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:20,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:20,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:20,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:20,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:20,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:20,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:20,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:20,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:20,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:20,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:20,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:20,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:20,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:20,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:20,351 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:20,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:20,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:20,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:20,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:20,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:20,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:20,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:20,353 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:20,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:20,354 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:20,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:20,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:20,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:20,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:20,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:20,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:20,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:20,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:20,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:20,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:20,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:20,358 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:20,358 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:20,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:20,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:20,360 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 -> 1990b587e642aad15e3e0c0d5b368810c379f55e [2019-11-26 17:00:20,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:20,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:20,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:20,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:20,932 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:20,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2019-11-26 17:00:21,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7752aa136/b67e20ebf0b441a292a37b9892a94600/FLAG6b6c02198 [2019-11-26 17:00:22,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:22,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2019-11-26 17:00:22,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7752aa136/b67e20ebf0b441a292a37b9892a94600/FLAG6b6c02198 [2019-11-26 17:00:22,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7752aa136/b67e20ebf0b441a292a37b9892a94600 [2019-11-26 17:00:22,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:22,278 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:22,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:22,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:22,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:22,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:22" (1/1) ... [2019-11-26 17:00:22,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:22, skipping insertion in model container [2019-11-26 17:00:22,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:22" (1/1) ... [2019-11-26 17:00:22,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:22,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:23,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:23,189 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:23,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:23,489 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:23,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23 WrapperNode [2019-11-26 17:00:23,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:23,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:23,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:23,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:23,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:23,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:23,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:23,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:23,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:23,955 INFO L168 Benchmark]: Toolchain (without parser) took 1672.62 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 978.5 MB in the end (delta: -16.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:23,957 INFO L168 Benchmark]: CDTParser took 2.08 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 17:00:23,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1205.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:23,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.50 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:23,966 INFO L168 Benchmark]: Boogie Preprocessor took 229.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:23,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.08 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 1205.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 220.50 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 229.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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...