./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1072a.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_1072a.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 61816a63e70562669051a12493c2c5215c575cb7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_1072a.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 61816a63e70562669051a12493c2c5215c575cb7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:00:45,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:45,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:45,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:45,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:45,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:45,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:45,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:45,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:45,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:45,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:45,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:45,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:45,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:45,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:45,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:45,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:46,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:46,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:46,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:46,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:46,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:46,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:46,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:46,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:46,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:46,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:46,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:46,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:46,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:46,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:46,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:46,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:46,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:46,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:46,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:46,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:46,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:46,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:46,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:46,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:46,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:46,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:46,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:46,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:46,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:46,124 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:46,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:46,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:46,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:46,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:46,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:46,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:46,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:46,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:46,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:46,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:46,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:46,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:46,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:46,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:46,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:46,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:46,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:46,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:46,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:46,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:46,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:46,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:46,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:46,140 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 -> 61816a63e70562669051a12493c2c5215c575cb7 [2019-11-26 17:00:46,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:46,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:46,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:46,760 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:46,761 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:46,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2019-11-26 17:00:46,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9149c38cb/8e5e4ab915ca4f23897834722e90a617/FLAG305434c81 [2019-11-26 17:00:47,955 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:47,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2019-11-26 17:00:47,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9149c38cb/8e5e4ab915ca4f23897834722e90a617/FLAG305434c81 [2019-11-26 17:00:48,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9149c38cb/8e5e4ab915ca4f23897834722e90a617 [2019-11-26 17:00:48,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:48,221 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:48,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:48,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:48,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:48,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:48,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44256411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48, skipping insertion in model container [2019-11-26 17:00:48,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:48,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:48,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:48,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:48,730 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:48,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:48,939 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:48,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48 WrapperNode [2019-11-26 17:00:48,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:48,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:48,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:48,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:48,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:49,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:49,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:49,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:49,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:49,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:49,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:49,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:49,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:49,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:49,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:49,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:49,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:48" (1/1) ... [2019-11-26 17:00:49,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:49,129 INFO L168 Benchmark]: Toolchain (without parser) took 907.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:49,140 INFO L168 Benchmark]: CDTParser took 1.62 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 17:00:49,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:49,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.46 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:49,155 INFO L168 Benchmark]: Boogie Preprocessor took 69.68 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:49,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62 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 722.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 104.46 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 69.68 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. 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 17:00:53,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:53,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:53,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:53,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:53,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:53,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:53,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:53,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:53,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:53,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:53,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:53,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:53,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:53,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:53,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:53,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:53,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:53,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:53,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:53,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:53,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:53,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:53,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:53,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:53,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:53,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:53,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:53,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:53,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:53,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:53,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:53,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:53,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:53,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:53,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:53,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:53,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:53,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:53,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:53,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:53,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:53,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:53,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:53,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:53,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:53,364 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:53,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:53,367 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:53,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:53,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:53,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:53,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:53,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:53,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:53,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:53,373 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:53,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:53,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:53,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:53,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:53,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:53,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:53,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:53,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:53,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:53,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:53,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:53,379 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:53,382 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:53,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:53,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:53,384 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 -> 61816a63e70562669051a12493c2c5215c575cb7 [2019-11-26 17:00:53,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:54,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:54,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:54,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:54,034 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:54,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2019-11-26 17:00:54,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caf42dc20/d315dbcce30a4da584e3c96998c70cd9/FLAG38f6f835d [2019-11-26 17:00:55,233 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:55,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2019-11-26 17:00:55,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caf42dc20/d315dbcce30a4da584e3c96998c70cd9/FLAG38f6f835d [2019-11-26 17:00:55,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caf42dc20/d315dbcce30a4da584e3c96998c70cd9 [2019-11-26 17:00:55,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:55,303 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:55,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:55,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:55,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:55,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:55" (1/1) ... [2019-11-26 17:00:55,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:55, skipping insertion in model container [2019-11-26 17:00:55,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:55" (1/1) ... [2019-11-26 17:00:55,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:55,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:55,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:55,866 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:56,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:56,132 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:56,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56 WrapperNode [2019-11-26 17:00:56,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:56,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:56,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:56,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:56,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56" (1/1) ... [2019-11-26 17:00:56,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56" (1/1) ... [2019-11-26 17:00:56,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:56,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:56,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:56,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:56,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56" (1/1) ... [2019-11-26 17:00:56,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56" (1/1) ... [2019-11-26 17:00:56,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56" (1/1) ... [2019-11-26 17:00:56,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56" (1/1) ... [2019-11-26 17:00:56,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56" (1/1) ... [2019-11-26 17:00:56,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56" (1/1) ... [2019-11-26 17:00:56,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:56" (1/1) ... [2019-11-26 17:00:56,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:56,340 INFO L168 Benchmark]: Toolchain (without parser) took 1032.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:56,341 INFO L168 Benchmark]: CDTParser took 0.49 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 17:00:56,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.70 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:56,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.06 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:56,351 INFO L168 Benchmark]: Boogie Preprocessor took 85.19 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:56,366 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 826.70 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 111.06 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.19 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...