./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/drift_tenth.c.p+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 4907b122df98ddbbf9083d03257189b61cf26f41 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/drift_tenth.c.p+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 4907b122df98ddbbf9083d03257189b61cf26f41 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:48,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:48,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:48,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:48,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:48,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:48,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:48,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:48,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:48,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:48,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:48,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:48,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:48,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:48,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:48,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:48,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:48,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:48,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:48,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:48,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:48,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:48,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:48,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:48,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:48,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:48,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:48,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:48,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:48,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:48,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:48,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:48,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:48,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:48,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:48,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:48,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:48,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:48,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:48,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:48,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:48,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:49,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:49,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:49,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:49,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:49,036 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:49,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:49,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:49,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:49,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:49,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:49,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:49,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:49,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:49,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:49,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:49,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:49,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:49,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:49,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:49,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:49,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:49,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:49,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:49,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:49,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:49,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:49,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:49,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:49,046 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 -> 4907b122df98ddbbf9083d03257189b61cf26f41 [2019-11-26 16:57:49,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:49,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:49,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:49,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:49,511 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:49,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c [2019-11-26 16:57:49,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/288e628c3/512cc1b6e65e4056af02bf38ad0bc470/FLAGb6a29c425 [2019-11-26 16:57:50,303 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:50,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c [2019-11-26 16:57:50,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/288e628c3/512cc1b6e65e4056af02bf38ad0bc470/FLAGb6a29c425 [2019-11-26 16:57:50,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/288e628c3/512cc1b6e65e4056af02bf38ad0bc470 [2019-11-26 16:57:50,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:50,650 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:50,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:50,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:50,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:50,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fda3371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50, skipping insertion in model container [2019-11-26 16:57:50,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:50,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:51,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:51,033 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:51,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:51,087 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:51,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51 WrapperNode [2019-11-26 16:57:51,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:51,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:51,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:51,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:51,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51" (1/1) ... [2019-11-26 16:57:51,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51" (1/1) ... [2019-11-26 16:57:51,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:51,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:51,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:51,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:51,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51" (1/1) ... [2019-11-26 16:57:51,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51" (1/1) ... [2019-11-26 16:57:51,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51" (1/1) ... [2019-11-26 16:57:51,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51" (1/1) ... [2019-11-26 16:57:51,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51" (1/1) ... [2019-11-26 16:57:51,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51" (1/1) ... [2019-11-26 16:57:51,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:51" (1/1) ... [2019-11-26 16:57:51,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:51,242 INFO L168 Benchmark]: Toolchain (without parser) took 578.01 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:51,246 INFO L168 Benchmark]: CDTParser took 1.22 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. [2019-11-26 16:57:51,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.30 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:51,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:51,252 INFO L168 Benchmark]: Boogie Preprocessor took 16.29 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:51,261 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 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 436.30 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 115.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 16.29 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:53,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:53,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:53,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:53,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:53,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:53,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:53,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:53,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:53,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:53,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:53,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:53,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:53,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:53,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:54,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:54,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:54,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:54,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:54,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:54,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:54,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:54,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:54,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:54,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:54,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:54,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:54,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:54,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:54,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:54,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:54,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:54,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:54,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:54,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:54,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:54,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:54,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:54,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:54,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:54,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:54,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:54,081 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:54,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:54,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:54,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:54,086 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:54,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:54,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:54,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:54,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:54,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:54,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:54,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:54,091 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:54,091 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:54,092 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:54,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:54,092 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:54,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:54,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:54,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:54,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:54,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:54,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:54,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:54,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:54,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:54,097 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:54,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:54,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:54,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:54,099 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 -> 4907b122df98ddbbf9083d03257189b61cf26f41 [2019-11-26 16:57:54,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:54,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:54,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:54,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:54,553 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:54,554 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c [2019-11-26 16:57:54,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e3b232d/dc95097dddef4532a57eb5899c9fac81/FLAGc9bf01eec [2019-11-26 16:57:55,338 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:55,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c [2019-11-26 16:57:55,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e3b232d/dc95097dddef4532a57eb5899c9fac81/FLAGc9bf01eec [2019-11-26 16:57:55,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e3b232d/dc95097dddef4532a57eb5899c9fac81 [2019-11-26 16:57:55,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:55,679 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:55,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:55,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:55,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:55,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:55, skipping insertion in model container [2019-11-26 16:57:55,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:55" (1/1) ... [2019-11-26 16:57:55,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:55,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:56,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:56,081 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:56,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:56,137 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:56,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56 WrapperNode [2019-11-26 16:57:56,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:56,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:56,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:56,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:56,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:56,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:56,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:56,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:56,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:56" (1/1) ... [2019-11-26 16:57:56,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:56,321 INFO L168 Benchmark]: Toolchain (without parser) took 635.66 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 989.8 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:56,324 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-26 16:57:56,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.06 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:56,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 989.8 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:56,327 INFO L168 Benchmark]: Boogie Preprocessor took 33.68 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:56,345 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 455.06 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 989.8 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 33.68 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...