./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-benchs/filter2.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 beedb9a8d8686be50b22ed973340512a3ed88d27 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-benchs/filter2.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 beedb9a8d8686be50b22ed973340512a3ed88d27 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:04,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:04,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:04,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:04,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:04,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:04,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:04,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:04,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:04,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:04,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:04,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:04,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:04,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:04,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:04,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:04,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:04,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:04,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:04,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:04,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:04,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:04,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:04,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:04,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:04,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:04,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:04,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:04,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:04,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:04,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:04,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:04,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:04,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:04,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:04,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:04,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:04,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:04,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:04,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:04,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:04,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:04,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:04,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:04,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:04,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:04,484 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:04,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:04,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:04,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:04,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:04,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:04,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:04,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:04,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:04,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:04,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:04,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:04,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:04,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:04,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:04,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:04,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:04,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:04,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:04,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:04,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:04,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:04,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:04,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:04,500 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 -> beedb9a8d8686be50b22ed973340512a3ed88d27 [2019-11-27 09:45:05,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:05,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:05,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:05,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:05,075 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:05,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2.c [2019-11-27 09:45:05,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164aa0c3e/f6c2c3dea2154c879bdf123f2e3bdf01/FLAGa0273f99d [2019-11-27 09:45:06,303 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:06,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c [2019-11-27 09:45:06,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164aa0c3e/f6c2c3dea2154c879bdf123f2e3bdf01/FLAGa0273f99d [2019-11-27 09:45:06,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164aa0c3e/f6c2c3dea2154c879bdf123f2e3bdf01 [2019-11-27 09:45:06,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:06,373 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:06,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:06,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:06,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:06,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:06" (1/1) ... [2019-11-27 09:45:06,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b80273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:06, skipping insertion in model container [2019-11-27 09:45:06,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:06" (1/1) ... [2019-11-27 09:45:06,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:06,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:06,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:06,970 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:07,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:07,069 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:07,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07 WrapperNode [2019-11-27 09:45:07,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:07,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:07,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:07,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:07,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:07,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:07,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:07,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:07,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:07,366 INFO L168 Benchmark]: Toolchain (without parser) took 986.57 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. [2019-11-27 09:45:07,368 INFO L168 Benchmark]: CDTParser took 0.43 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 09:45:07,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.13 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:07,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:07,379 INFO L168 Benchmark]: Boogie Preprocessor took 57.78 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. [2019-11-27 09:45:07,392 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 701.13 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 198.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.78 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-da95e15 [2019-11-27 09:45:11,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:11,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:11,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:11,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:11,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:11,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:11,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:11,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:11,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:11,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:11,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:11,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:11,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:11,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:11,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:11,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:11,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:11,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:11,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:11,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:11,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:11,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:11,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:11,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:11,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:11,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:11,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:11,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:11,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:11,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:11,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:11,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:11,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:11,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:11,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:11,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:11,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:11,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:11,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:11,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:11,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:11,472 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:11,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:11,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:11,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:11,479 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:11,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:11,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:11,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:11,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:11,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:11,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:11,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:11,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:11,487 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:11,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:11,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:11,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:11,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:11,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:11,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:11,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:11,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:11,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:11,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:11,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:11,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:11,494 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:11,495 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:11,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:11,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:11,499 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 -> beedb9a8d8686be50b22ed973340512a3ed88d27 [2019-11-27 09:45:12,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:12,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:12,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:12,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:12,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:12,166 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2.c [2019-11-27 09:45:12,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406009669/10c6d1ad2732491a8274b91f702913c9/FLAG62ba6810d [2019-11-27 09:45:13,325 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:13,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c [2019-11-27 09:45:13,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406009669/10c6d1ad2732491a8274b91f702913c9/FLAG62ba6810d [2019-11-27 09:45:13,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406009669/10c6d1ad2732491a8274b91f702913c9 [2019-11-27 09:45:13,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:13,502 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:13,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:13,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:13,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:13,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:13" (1/1) ... [2019-11-27 09:45:13,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6369c289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:13, skipping insertion in model container [2019-11-27 09:45:13,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:13" (1/1) ... [2019-11-27 09:45:13,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:13,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:14,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:14,109 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:14,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:14,236 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:14,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14 WrapperNode [2019-11-27 09:45:14,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:14,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:14,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:14,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:14,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:14,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:14,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:14,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:14,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:14,532 INFO L168 Benchmark]: Toolchain (without parser) took 1026.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 989.9 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:14,534 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 09:45:14,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 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 09:45:14,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.74 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 997.0 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:14,543 INFO L168 Benchmark]: Boogie Preprocessor took 87.43 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 989.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:14,564 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 730.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 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 197.74 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 997.0 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.43 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 989.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...