./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/interpolation.c.v+nlh-reducer.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 9e7fb07183b2a711b7c28412a50bf924e2de04ea ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/interpolation.c.v+nlh-reducer.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 9e7fb07183b2a711b7c28412a50bf924e2de04ea ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:10,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:10,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:10,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:10,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:10,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:10,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:10,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:10,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:10,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:10,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:10,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:10,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:10,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:10,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:10,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:10,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:10,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:10,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:10,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:10,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:10,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:10,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:10,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:10,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:10,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:10,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:10,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:10,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:10,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:10,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:10,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:10,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:10,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:10,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:10,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:10,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:10,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:10,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:10,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:10,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:10,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:10,483 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:10,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:10,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:10,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:10,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:10,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:10,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:10,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:10,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:10,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:10,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:10,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:10,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:10,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:10,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:10,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:10,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:10,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:10,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:10,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:10,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:10,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:10,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:10,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:10,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:10,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:10,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:10,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:10,508 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 -> 9e7fb07183b2a711b7c28412a50bf924e2de04ea [2019-11-25 22:50:11,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:11,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:11,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:11,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:11,073 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:11,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.v+nlh-reducer.c [2019-11-25 22:50:11,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6ec533b/a323dc28ce414df6b3dbe82db8d10630/FLAG0033a1053 [2019-11-25 22:50:12,247 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:12,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.v+nlh-reducer.c [2019-11-25 22:50:12,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6ec533b/a323dc28ce414df6b3dbe82db8d10630/FLAG0033a1053 [2019-11-25 22:50:12,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6ec533b/a323dc28ce414df6b3dbe82db8d10630 [2019-11-25 22:50:12,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:12,407 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:12,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:12,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:12,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:12,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12, skipping insertion in model container [2019-11-25 22:50:12,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:12,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:13,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:13,027 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:13,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:13,264 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:13,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13 WrapperNode [2019-11-25 22:50:13,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:13,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:13,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:13,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:13,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13" (1/1) ... [2019-11-25 22:50:13,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13" (1/1) ... [2019-11-25 22:50:13,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:13,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:13,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:13,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:13,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13" (1/1) ... [2019-11-25 22:50:13,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13" (1/1) ... [2019-11-25 22:50:13,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13" (1/1) ... [2019-11-25 22:50:13,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13" (1/1) ... [2019-11-25 22:50:13,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13" (1/1) ... [2019-11-25 22:50:13,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13" (1/1) ... [2019-11-25 22:50:13,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:13" (1/1) ... [2019-11-25 22:50:13,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:13,491 INFO L168 Benchmark]: Toolchain (without parser) took 1076.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 990.0 MB in the end (delta: -26.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:13,502 INFO L168 Benchmark]: CDTParser took 0.44 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. [2019-11-25 22:50:13,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:13,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:13,508 INFO L168 Benchmark]: Boogie Preprocessor took 76.51 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:13,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 854.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 76.51 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 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 0.1.24-65d6cd2 [2019-11-25 22:50:17,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:17,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:17,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:17,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:17,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:17,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:17,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:17,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:17,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:17,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:17,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:17,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:17,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:17,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:17,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:17,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:17,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:17,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:17,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:17,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:17,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:17,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:17,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:17,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:17,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:17,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:17,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:17,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:17,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:17,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:17,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:17,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:17,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:17,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:17,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:17,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:17,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:17,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:17,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:17,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:17,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:17,531 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:17,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:17,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:17,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:17,539 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:17,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:17,540 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:17,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:17,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:17,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:17,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:17,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:17,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:17,547 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:17,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:17,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:17,548 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:17,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:17,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:17,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:17,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:17,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:17,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:17,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:17,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:17,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:17,553 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:17,554 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:17,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:17,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:17,557 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 -> 9e7fb07183b2a711b7c28412a50bf924e2de04ea [2019-11-25 22:50:18,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:18,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:18,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:18,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:18,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:18,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.v+nlh-reducer.c [2019-11-25 22:50:18,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6be56a6/cee56ee0235f4d4c8d3c2ca0ea2fbf9d/FLAG9b12a40b8 [2019-11-25 22:50:19,375 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:19,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.v+nlh-reducer.c [2019-11-25 22:50:19,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6be56a6/cee56ee0235f4d4c8d3c2ca0ea2fbf9d/FLAG9b12a40b8 [2019-11-25 22:50:19,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6be56a6/cee56ee0235f4d4c8d3c2ca0ea2fbf9d [2019-11-25 22:50:19,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:19,509 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:19,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:19,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:19,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:19,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:19,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19, skipping insertion in model container [2019-11-25 22:50:19,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:19,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:19,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:20,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:20,141 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:20,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:20,356 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:20,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20 WrapperNode [2019-11-25 22:50:20,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:20,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:20,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:20,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:20,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20" (1/1) ... [2019-11-25 22:50:20,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20" (1/1) ... [2019-11-25 22:50:20,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:20,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:20,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:20,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:20,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20" (1/1) ... [2019-11-25 22:50:20,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20" (1/1) ... [2019-11-25 22:50:20,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20" (1/1) ... [2019-11-25 22:50:20,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20" (1/1) ... [2019-11-25 22:50:20,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20" (1/1) ... [2019-11-25 22:50:20,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20" (1/1) ... [2019-11-25 22:50:20,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:20" (1/1) ... [2019-11-25 22:50:20,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:20,575 INFO L168 Benchmark]: Toolchain (without parser) took 1063.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.1 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:20,577 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-25 22:50:20,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.11 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:20,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.63 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. [2019-11-25 22:50:20,582 INFO L168 Benchmark]: Boogie Preprocessor took 85.34 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:20,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 845.11 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 110.63 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. * Boogie Preprocessor took 85.34 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.1 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...