./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.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/loop-floats-scientific-comp/loop1-2.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 264bfe6ed9d94f386b1000d33074dec83a5848c5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/loop-floats-scientific-comp/loop1-2.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 264bfe6ed9d94f386b1000d33074dec83a5848c5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:01:02,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:02,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:02,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:02,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:02,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:02,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:02,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:02,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:02,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:02,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:02,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:02,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:02,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:02,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:02,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:02,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:02,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:02,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:02,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:02,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:02,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:02,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:02,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:02,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:02,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:02,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:02,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:02,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:02,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:02,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:02,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:02,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:02,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:02,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:02,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:02,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:02,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:02,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:02,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:02,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:02,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:02,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:02,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:02,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:02,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:02,233 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:02,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:02,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:02,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:02,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:02,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:02,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:02,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:02,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:02,242 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:02,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:02,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:02,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:02,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:02,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:02,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:02,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:02,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:02,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:02,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:02,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:02,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:02,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:02,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:02,249 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 -> 264bfe6ed9d94f386b1000d33074dec83a5848c5 [2019-11-26 17:01:02,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:02,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:02,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:02,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:02,967 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:02,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-26 17:01:03,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ca4b60b8/9e3b1567eb2d4d8d93a6552d37bd1b3f/FLAG3a5b61c57 [2019-11-26 17:01:04,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:04,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-26 17:01:04,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ca4b60b8/9e3b1567eb2d4d8d93a6552d37bd1b3f/FLAG3a5b61c57 [2019-11-26 17:01:04,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ca4b60b8/9e3b1567eb2d4d8d93a6552d37bd1b3f [2019-11-26 17:01:04,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:04,268 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:04,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:04,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:04,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:04,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22abccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04, skipping insertion in model container [2019-11-26 17:01:04,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:04,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:04,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:04,732 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:04,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:04,806 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:04,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04 WrapperNode [2019-11-26 17:01:04,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:04,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:04,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:04,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:04,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:04,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:04,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:04,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:04,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:04" (1/1) ... [2019-11-26 17:01:04,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:05,009 INFO L168 Benchmark]: Toolchain (without parser) took 726.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:05,011 INFO L168 Benchmark]: CDTParser took 1.49 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 17:01:05,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.48 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 17:01:05,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.47 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:05,021 INFO L168 Benchmark]: Boogie Preprocessor took 35.62 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:05,032 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49 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 538.48 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 139.47 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.62 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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 0.1.24-025d5a2 [2019-11-26 17:01:08,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:08,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:08,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:08,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:08,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:08,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:08,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:08,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:08,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:08,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:08,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:08,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:08,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:08,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:08,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:08,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:08,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:08,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:08,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:08,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:08,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:08,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:08,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:08,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:08,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:08,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:09,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:09,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:09,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:09,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:09,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:09,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:09,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:09,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:09,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:09,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:09,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:09,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:09,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:09,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:09,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:09,070 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:09,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:09,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:09,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:09,078 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:09,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:09,079 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:09,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:09,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:09,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:09,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:09,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:09,084 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:09,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:09,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:09,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:09,085 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:09,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:09,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:09,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:09,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:09,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:09,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:09,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:09,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:09,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:09,091 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:09,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:09,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:09,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:09,096 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 -> 264bfe6ed9d94f386b1000d33074dec83a5848c5 [2019-11-26 17:01:09,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:09,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:09,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:09,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:09,703 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:09,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-26 17:01:09,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f115817/72cfbcc803e54c5a940c3efe7f8574d8/FLAG42fc6fac9 [2019-11-26 17:01:10,921 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:10,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-26 17:01:10,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f115817/72cfbcc803e54c5a940c3efe7f8574d8/FLAG42fc6fac9 [2019-11-26 17:01:10,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f115817/72cfbcc803e54c5a940c3efe7f8574d8 [2019-11-26 17:01:10,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:10,990 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:10,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:10,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:11,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:11,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:11,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22abccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11, skipping insertion in model container [2019-11-26 17:01:11,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:10" (1/1) ... [2019-11-26 17:01:11,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:11,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:11,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:11,514 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:11,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:11,598 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:11,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11 WrapperNode [2019-11-26 17:01:11,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:11,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:11,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:11,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:11,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:11,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:11,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:11,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:11,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:11" (1/1) ... [2019-11-26 17:01:11,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:11,889 INFO L168 Benchmark]: Toolchain (without parser) took 893.08 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:11,893 INFO L168 Benchmark]: CDTParser took 0.32 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 17:01:11,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:11,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:11,902 INFO L168 Benchmark]: Boogie Preprocessor took 93.36 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:11,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 603.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 171.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 93.36 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...