./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.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/interpolation2.c.v+cfa-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 d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/interpolation2.c.v+cfa-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 d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:45:13,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:13,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:13,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:13,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:13,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:13,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:13,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:13,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:13,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:13,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:13,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:13,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:13,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:13,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:13,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:13,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:13,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:13,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:13,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:13,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:13,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:13,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:13,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:13,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:13,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:13,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:13,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:13,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:13,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:13,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:13,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:13,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:13,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:13,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:13,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:13,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:13,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:13,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:13,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:13,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:13,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:13,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:13,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:13,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:13,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:13,514 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:13,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:13,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:13,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:13,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:13,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:13,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:13,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:13,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:13,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:13,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:13,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:13,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:13,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:13,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:13,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:13,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:13,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:13,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:13,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:13,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:13,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:13,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:13,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:13,529 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 -> d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 [2019-11-27 09:45:14,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:14,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:14,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:14,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:14,169 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:14,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-27 09:45:14,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68259ca39/ec20ae4fc6ef404c80afc2a9cb84b7e5/FLAG662dbf8ec [2019-11-27 09:45:15,452 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:15,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-27 09:45:15,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68259ca39/ec20ae4fc6ef404c80afc2a9cb84b7e5/FLAG662dbf8ec [2019-11-27 09:45:15,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68259ca39/ec20ae4fc6ef404c80afc2a9cb84b7e5 [2019-11-27 09:45:15,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:15,529 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:15,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:15,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:15,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:15,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f5a604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15, skipping insertion in model container [2019-11-27 09:45:15,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:15,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:16,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:16,279 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:16,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:16,440 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:16,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16 WrapperNode [2019-11-27 09:45:16,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:16,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:16,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:16,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:16,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:16,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:16,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:16,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:16,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:16" (1/1) ... [2019-11-27 09:45:16,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:16,676 INFO L168 Benchmark]: Toolchain (without parser) took 1140.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 984.4 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:16,680 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:16,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 913.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:16,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.73 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 990.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:16,687 INFO L168 Benchmark]: Boogie Preprocessor took 94.01 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:16,700 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 913.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 123.73 ms. Allocated memory is still 1.0 GB. Free memory was 991.6 MB in the beginning and 990.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 94.01 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.4 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-da95e15 [2019-11-27 09:45:20,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:20,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:20,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:20,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:20,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:20,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:20,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:20,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:20,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:20,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:20,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:20,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:20,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:20,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:20,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:20,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:20,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:20,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:20,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:20,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:20,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:20,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:20,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:20,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:20,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:20,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:20,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:20,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:20,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:20,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:20,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:20,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:20,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:20,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:20,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:20,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:20,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:20,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:20,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:20,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:20,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:20,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:20,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:20,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:20,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:20,751 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:20,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:20,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:20,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:20,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:20,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:20,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:20,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:20,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:20,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:20,760 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:20,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:20,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:20,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:20,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:20,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:20,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:20,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:20,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:20,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:20,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:20,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:20,767 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:20,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:20,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:20,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:20,772 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 -> d3b9fd7fe4ecc5142fd3f383ee42b040964600c5 [2019-11-27 09:45:21,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:21,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:21,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:21,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:21,461 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:21,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-27 09:45:21,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c0a1e3c/47ff733ae50947689ad1c7b6e712c0ba/FLAGd008f8cce [2019-11-27 09:45:22,742 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:22,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2019-11-27 09:45:22,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c0a1e3c/47ff733ae50947689ad1c7b6e712c0ba/FLAGd008f8cce [2019-11-27 09:45:22,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c0a1e3c/47ff733ae50947689ad1c7b6e712c0ba [2019-11-27 09:45:22,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:22,821 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:22,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:22,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:22,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:22,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:22" (1/1) ... [2019-11-27 09:45:22,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:22, skipping insertion in model container [2019-11-27 09:45:22,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:22" (1/1) ... [2019-11-27 09:45:22,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:22,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:23,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:23,426 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:23,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:23,669 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:23,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23 WrapperNode [2019-11-27 09:45:23,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:23,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:23,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:23,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:23,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23" (1/1) ... [2019-11-27 09:45:23,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23" (1/1) ... [2019-11-27 09:45:23,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:23,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:23,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:23,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:23,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23" (1/1) ... [2019-11-27 09:45:23,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23" (1/1) ... [2019-11-27 09:45:23,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23" (1/1) ... [2019-11-27 09:45:23,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23" (1/1) ... [2019-11-27 09:45:23,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23" (1/1) ... [2019-11-27 09:45:23,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23" (1/1) ... [2019-11-27 09:45:23,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:23" (1/1) ... [2019-11-27 09:45:23,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:23,873 INFO L168 Benchmark]: Toolchain (without parser) took 1048.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.1 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:23,875 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:23,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:23,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.23 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:23,889 INFO L168 Benchmark]: Boogie Preprocessor took 86.80 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 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. [2019-11-27 09:45:23,897 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 846.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 104.23 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 86.80 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 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...