./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/interpolation.c.v+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 bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/interpolation.c.v+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 bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:09,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:09,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:09,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:09,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:09,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:09,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:09,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:09,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:09,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:09,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:09,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:09,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:09,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:09,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:09,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:09,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:09,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:09,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:09,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:09,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:09,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:09,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:09,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:09,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:09,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:09,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:09,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:09,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:09,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:09,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:09,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:10,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:10,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:10,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:10,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:10,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:10,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:10,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:10,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:10,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:10,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:10,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:10,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:10,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:10,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:10,072 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:10,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:10,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:10,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:10,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:10,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:10,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:10,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:10,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:10,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:10,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:10,079 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:10,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:10,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:10,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:10,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:10,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:10,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:10,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:10,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:10,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:10,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:10,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:10,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:10,085 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 -> bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 [2019-11-25 22:50:10,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:10,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:10,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:10,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:10,745 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:10,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2019-11-25 22:50:10,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2b7691bf/ab851f491c8c405895d3026ae78f0cad/FLAG1872c1b71 [2019-11-25 22:50:12,012 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:12,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2019-11-25 22:50:12,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2b7691bf/ab851f491c8c405895d3026ae78f0cad/FLAG1872c1b71 [2019-11-25 22:50:12,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2b7691bf/ab851f491c8c405895d3026ae78f0cad [2019-11-25 22:50:12,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:12,066 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:12,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:12,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:12,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:12,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12, skipping insertion in model container [2019-11-25 22:50:12,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:12,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:12,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:12,621 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:12,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:12,828 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:12,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12 WrapperNode [2019-11-25 22:50:12,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:12,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:12,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:12,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:12,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:12,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:12,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:12,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:12,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:12" (1/1) ... [2019-11-25 22:50:12,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:12,998 INFO L168 Benchmark]: Toolchain (without parser) took 918.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:12,999 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:13,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:13,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.31 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:13,003 INFO L168 Benchmark]: Boogie Preprocessor took 67.62 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:13,010 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 751.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 80.31 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.62 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:16,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:16,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:16,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:16,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:16,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:16,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:16,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:16,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:16,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:16,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:16,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:16,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:17,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:17,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:17,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:17,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:17,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:17,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:17,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:17,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:17,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:17,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:17,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:17,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:17,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:17,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:17,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:17,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:17,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:17,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:17,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:17,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:17,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:17,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:17,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:17,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:17,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:17,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:17,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:17,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:17,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:17,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:17,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:17,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:17,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:17,142 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:17,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:17,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:17,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:17,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:17,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:17,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:17,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:17,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:17,151 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:17,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:17,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:17,152 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:17,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:17,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:17,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:17,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:17,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:17,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:17,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:17,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:17,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:17,160 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:17,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:17,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:17,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:17,162 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 -> bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 [2019-11-25 22:50:17,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:17,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:17,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:17,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:17,806 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:17,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2019-11-25 22:50:17,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb428e848/11c1879d6e884e3cafd6b6cd893f3729/FLAGcd8d12323 [2019-11-25 22:50:19,016 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:19,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2019-11-25 22:50:19,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb428e848/11c1879d6e884e3cafd6b6cd893f3729/FLAGcd8d12323 [2019-11-25 22:50:19,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb428e848/11c1879d6e884e3cafd6b6cd893f3729 [2019-11-25 22:50:19,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:19,164 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:19,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:19,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:19,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:19,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:19,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f1be01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19, skipping insertion in model container [2019-11-25 22:50:19,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:19,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:19,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:19,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:19,684 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:19,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:19,955 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:19,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19 WrapperNode [2019-11-25 22:50:19,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:19,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:19,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:19,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:19,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:20,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:20,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:20,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:20,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:20,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:20,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:20,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:20,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:20,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:20,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:20,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:20,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:19" (1/1) ... [2019-11-25 22:50:20,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:20,144 INFO L168 Benchmark]: Toolchain (without parser) took 973.82 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 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:20,146 INFO L168 Benchmark]: CDTParser took 0.44 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. [2019-11-25 22:50:20,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.51 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 991.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:20,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.34 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. [2019-11-25 22:50:20,152 INFO L168 Benchmark]: Boogie Preprocessor took 80.55 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. [2019-11-25 22:50:20,174 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 780.51 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 991.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 97.34 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 80.55 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...