./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-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+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 f6e8a3a31f477f95b41c919de6810cac9ea0df78 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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+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 f6e8a3a31f477f95b41c919de6810cac9ea0df78 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:45:12,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:12,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:12,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:12,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:12,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:12,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:12,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:12,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:12,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:12,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:12,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:12,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:12,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:13,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:13,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:13,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:13,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:13,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:13,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:13,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:13,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:13,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:13,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:13,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:13,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:13,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:13,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:13,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:13,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:13,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:13,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:13,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:13,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:13,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:13,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:13,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:13,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:13,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:13,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:13,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:13,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:13,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:13,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:13,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:13,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:13,102 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:13,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:13,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:13,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:13,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:13,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:13,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:13,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:13,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:13,106 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:13,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:13,107 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:13,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:13,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:13,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:13,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:13,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:13,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:13,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:13,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:13,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:13,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:13,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:13,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:13,112 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 -> f6e8a3a31f477f95b41c919de6810cac9ea0df78 [2019-11-27 09:45:13,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:13,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:13,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:13,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:13,594 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:13,595 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-27 09:45:13,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792368db6/fff9c22ed52a4375aeba2769256cebb8/FLAG09d1a7e1e [2019-11-27 09:45:14,458 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:14,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-27 09:45:14,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792368db6/fff9c22ed52a4375aeba2769256cebb8/FLAG09d1a7e1e [2019-11-27 09:45:14,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792368db6/fff9c22ed52a4375aeba2769256cebb8 [2019-11-27 09:45:14,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:14,754 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:14,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:14,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:14,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:14,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4852b4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:14, skipping insertion in model container [2019-11-27 09:45:14,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:14" (1/1) ... [2019-11-27 09:45:14,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:14,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:15,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:15,232 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:15,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:15,332 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:15,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15 WrapperNode [2019-11-27 09:45:15,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:15,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:15,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:15,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:15,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:15,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:15,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:15,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:15,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:15" (1/1) ... [2019-11-27 09:45:15,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:15,491 INFO L168 Benchmark]: Toolchain (without parser) took 733.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 980.1 MB in the end (delta: -19.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:15,505 INFO L168 Benchmark]: CDTParser took 0.21 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 09:45:15,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:15,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.80 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:15,511 INFO L168 Benchmark]: Boogie Preprocessor took 60.44 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:15,518 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 577.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.8 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 83.80 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.44 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:18,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:18,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:18,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:18,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:18,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:18,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:18,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:18,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:18,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:18,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:18,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:18,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:18,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:18,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:18,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:18,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:18,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:18,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:18,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:18,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:18,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:18,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:18,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:18,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:18,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:18,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:18,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:18,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:18,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:18,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:18,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:18,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:18,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:18,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:18,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:18,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:18,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:18,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:18,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:18,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:18,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:18,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:18,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:18,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:18,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:18,545 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:18,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:18,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:18,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:18,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:18,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:18,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:18,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:18,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:18,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:18,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:18,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:18,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:18,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:18,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:18,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:18,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:18,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:18,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:18,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:18,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:18,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:18,555 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:18,555 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:18,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:18,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:18,558 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 -> f6e8a3a31f477f95b41c919de6810cac9ea0df78 [2019-11-27 09:45:19,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:19,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:19,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:19,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:19,036 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:19,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-27 09:45:19,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8783ab7fd/6845cfe093a442a88035dceeea160430/FLAG926c3dd75 [2019-11-27 09:45:19,886 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:19,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2019-11-27 09:45:19,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8783ab7fd/6845cfe093a442a88035dceeea160430/FLAG926c3dd75 [2019-11-27 09:45:20,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8783ab7fd/6845cfe093a442a88035dceeea160430 [2019-11-27 09:45:20,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:20,171 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:20,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:20,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:20,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:20,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9d5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20, skipping insertion in model container [2019-11-27 09:45:20,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:20,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:20,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:20,614 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:20,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:20,785 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:20,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20 WrapperNode [2019-11-27 09:45:20,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:20,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:20,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:20,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:20,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:20,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:20,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:20,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:20,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:20,935 INFO L168 Benchmark]: Toolchain (without parser) took 757.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.6 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:20,935 INFO L168 Benchmark]: CDTParser took 0.27 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 09:45:20,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:20,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.17 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 09:45:20,947 INFO L168 Benchmark]: Boogie Preprocessor took 69.97 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:20,958 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 608.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 69.17 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 69.97 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 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...