./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0683a.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_0683a.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 2ceb6a5aec908c5f9f94f630a4301750946f82ed ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0683a.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 2ceb6a5aec908c5f9f94f630a4301750946f82ed .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:00:13,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:13,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:13,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:13,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:13,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:13,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:13,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:13,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:13,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:13,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:13,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:13,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:13,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:13,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:13,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:13,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:13,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:13,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:13,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:13,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:13,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:13,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:13,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:13,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:13,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:13,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:13,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:13,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:13,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:13,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:13,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:13,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:13,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:13,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:13,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:13,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:13,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:13,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:13,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:13,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:13,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:13,848 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:13,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:13,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:13,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:13,856 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:13,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:13,857 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:13,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:13,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:13,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:13,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:13,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:13,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:13,862 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:13,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:13,865 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:13,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:13,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:13,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:13,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:13,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:13,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:13,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:13,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:13,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:13,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:13,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:13,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:13,871 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 -> 2ceb6a5aec908c5f9f94f630a4301750946f82ed [2019-11-26 17:00:14,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:14,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:14,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:14,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:14,483 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:14,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2019-11-26 17:00:14,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d0523140/f6c8447e277343d582fa8c658fc0e396/FLAG85b61f085 [2019-11-26 17:00:15,767 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:15,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2019-11-26 17:00:15,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d0523140/f6c8447e277343d582fa8c658fc0e396/FLAG85b61f085 [2019-11-26 17:00:15,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d0523140/f6c8447e277343d582fa8c658fc0e396 [2019-11-26 17:00:15,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:15,853 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:15,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:15,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:15,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:15,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:15,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55405a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:15, skipping insertion in model container [2019-11-26 17:00:15,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:15" (1/1) ... [2019-11-26 17:00:15,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:15,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:16,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:16,738 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:16,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:16,965 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:16,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16 WrapperNode [2019-11-26 17:00:16,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:16,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:16,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:16,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:16,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16" (1/1) ... [2019-11-26 17:00:17,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16" (1/1) ... [2019-11-26 17:00:17,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:17,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:17,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:17,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:17,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16" (1/1) ... [2019-11-26 17:00:17,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16" (1/1) ... [2019-11-26 17:00:17,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16" (1/1) ... [2019-11-26 17:00:17,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16" (1/1) ... [2019-11-26 17:00:17,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16" (1/1) ... [2019-11-26 17:00:17,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16" (1/1) ... [2019-11-26 17:00:17,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:16" (1/1) ... [2019-11-26 17:00:17,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:17,329 INFO L168 Benchmark]: Toolchain (without parser) took 1476.01 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 974.3 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:17,335 INFO L168 Benchmark]: CDTParser took 0.36 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 17:00:17,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1112.78 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: -12.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:17,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.84 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:17,346 INFO L168 Benchmark]: Boogie Preprocessor took 191.35 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:17,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1112.78 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: -12.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.84 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 191.35 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.3 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 17:00:20,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:20,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:20,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:20,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:20,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:21,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:21,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:21,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:21,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:21,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:21,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:21,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:21,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:21,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:21,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:21,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:21,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:21,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:21,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:21,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:21,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:21,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:21,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:21,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:21,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:21,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:21,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:21,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:21,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:21,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:21,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:21,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:21,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:21,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:21,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:21,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:21,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:21,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:21,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:21,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:21,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:21,179 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:21,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:21,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:21,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:21,186 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:21,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:21,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:21,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:21,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:21,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:21,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:21,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:21,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:21,194 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:21,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:21,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:21,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:21,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:21,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:21,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:21,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:21,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:21,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:21,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:21,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:21,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:21,201 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:21,203 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:21,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:21,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:21,205 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 -> 2ceb6a5aec908c5f9f94f630a4301750946f82ed [2019-11-26 17:00:21,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:21,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:21,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:21,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:21,819 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:21,822 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2019-11-26 17:00:21,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84337adf5/ac17699481084d9ca035155200c2d8c2/FLAG18ad609a0 [2019-11-26 17:00:23,027 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:23,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2019-11-26 17:00:23,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84337adf5/ac17699481084d9ca035155200c2d8c2/FLAG18ad609a0 [2019-11-26 17:00:23,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84337adf5/ac17699481084d9ca035155200c2d8c2 [2019-11-26 17:00:23,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:23,147 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:23,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:23,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:23,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:23,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d55b4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:23, skipping insertion in model container [2019-11-26 17:00:23,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:23" (1/1) ... [2019-11-26 17:00:23,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:23,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:24,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:24,076 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:24,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:24,378 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:24,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24 WrapperNode [2019-11-26 17:00:24,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:24,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:24,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:24,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:24,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:24,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:24,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:24,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:24,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:24" (1/1) ... [2019-11-26 17:00:24,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:24,795 INFO L168 Benchmark]: Toolchain (without parser) took 1650.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 978.6 MB in the end (delta: -15.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:24,798 INFO L168 Benchmark]: CDTParser took 1.58 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 17:00:24,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1228.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 984.4 MB in the end (delta: -21.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:24,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.98 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:24,806 INFO L168 Benchmark]: Boogie Preprocessor took 210.56 ms. Allocated memory is still 1.0 GB. Free memory is still 978.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:24,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58 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 1228.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 984.4 MB in the end (delta: -21.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 191.98 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 210.56 ms. Allocated memory is still 1.0 GB. Free memory is still 978.6 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...