./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/floats-cdfpl/square_8.i -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 847ec304644081d839ca7e80209d45b391ec9937 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/floats-cdfpl/square_8.i -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 847ec304644081d839ca7e80209d45b391ec9937 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:06:26,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:26,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:26,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:26,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:26,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:26,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:26,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:26,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:26,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:26,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:26,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:26,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:26,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:26,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:26,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:26,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:26,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:26,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:26,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:26,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:26,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:26,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:26,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:26,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:26,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:26,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:26,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:26,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:26,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:26,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:26,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:26,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:26,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:26,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:26,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:26,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:26,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:26,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:26,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:26,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:26,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:26,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:26,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:26,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:26,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:26,436 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:26,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:26,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:26,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:26,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:26,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:26,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:26,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:26,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:26,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:26,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:26,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:26,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:26,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:26,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:26,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:26,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:26,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:26,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:26,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:26,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:26,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:26,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:26,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:26,453 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 -> 847ec304644081d839ca7e80209d45b391ec9937 [2019-11-27 16:06:27,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:27,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:27,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:27,081 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:27,085 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:27,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_8.i [2019-11-27 16:06:27,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95ac3f567/5ffda600a2474d1da6fef3a77989b927/FLAG130d50891 [2019-11-27 16:06:28,241 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:28,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_8.i [2019-11-27 16:06:28,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95ac3f567/5ffda600a2474d1da6fef3a77989b927/FLAG130d50891 [2019-11-27 16:06:28,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95ac3f567/5ffda600a2474d1da6fef3a77989b927 [2019-11-27 16:06:28,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:28,452 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:28,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:28,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:28,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:28,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198ed8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28, skipping insertion in model container [2019-11-27 16:06:28,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:28,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:28,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:28,933 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:28,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:29,016 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:29,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29 WrapperNode [2019-11-27 16:06:29,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:29,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:29,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:29,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:29,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:29,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:29,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:29,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:29,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:29" (1/1) ... [2019-11-27 16:06:29,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:29,227 INFO L168 Benchmark]: Toolchain (without parser) took 773.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.3 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:29,230 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-27 16:06:29,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.87 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 944.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:29,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 997.0 MB in the end (delta: -52.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:29,239 INFO L168 Benchmark]: Boogie Preprocessor took 39.12 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. [2019-11-27 16:06:29,246 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 563.87 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 944.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 997.0 MB in the end (delta: -52.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.12 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:06:32,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:33,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:33,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:33,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:33,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:33,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:33,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:33,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:33,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:33,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:33,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:33,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:33,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:33,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:33,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:33,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:33,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:33,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:33,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:33,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:33,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:33,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:33,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:33,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:33,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:33,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:33,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:33,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:33,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:33,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:33,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:33,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:33,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:33,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:33,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:33,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:33,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:33,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:33,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:33,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:33,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:06:33,228 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:33,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:33,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:33,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:33,244 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:33,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:33,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:33,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:33,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:33,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:33,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:33,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:33,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:06:33,250 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:06:33,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:33,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:33,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:33,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:33,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:33,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:33,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:33,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:33,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:33,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:33,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:33,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:33,260 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:06:33,260 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:06:33,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:33,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:06:33,266 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 -> 847ec304644081d839ca7e80209d45b391ec9937 [2019-11-27 16:06:33,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:33,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:33,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:33,822 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:33,825 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:33,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_8.i [2019-11-27 16:06:33,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b09d3b6ca/9e7ed8d483af474db55469a256047063/FLAG52f51243d [2019-11-27 16:06:34,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:34,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_8.i [2019-11-27 16:06:34,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b09d3b6ca/9e7ed8d483af474db55469a256047063/FLAG52f51243d [2019-11-27 16:06:35,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b09d3b6ca/9e7ed8d483af474db55469a256047063 [2019-11-27 16:06:35,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:35,157 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:35,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:35,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:35,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:35,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35, skipping insertion in model container [2019-11-27 16:06:35,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:35,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:35,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:35,666 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:35,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:35,760 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:35,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35 WrapperNode [2019-11-27 16:06:35,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:35,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:35,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:35,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:35,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:35,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:35,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:35,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:35,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:35" (1/1) ... [2019-11-27 16:06:35,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:35,998 INFO L168 Benchmark]: Toolchain (without parser) took 826.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:36,002 INFO L168 Benchmark]: CDTParser took 2.64 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. [2019-11-27 16:06:36,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.59 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:36,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:36,012 INFO L168 Benchmark]: Boogie Preprocessor took 54.59 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. [2019-11-27 16:06:36,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.64 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 599.59 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.59 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...