./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/loop1-1.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 316899e3244ab1144db06dfec912ba02d5aaddd7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loop1-1.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 316899e3244ab1144db06dfec912ba02d5aaddd7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:07,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:07,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:07,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:07,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:07,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:07,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:07,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:07,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:07,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:07,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:07,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:07,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:07,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:07,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:07,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:07,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:07,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:07,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:07,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:07,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:07,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:07,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:07,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:07,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:07,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:07,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:07,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:07,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:07,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:07,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:07,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:07,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:07,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:07,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:07,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:07,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:07,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:07,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:07,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:07,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:07,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:07,286 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:07,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:07,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:07,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:07,296 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:07,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:07,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:07,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:07,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:07,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:07,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:07,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:07,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:07,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:07,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:07,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:07,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:07,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:07,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:07,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:07,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:07,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:07,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:07,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:07,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:07,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:07,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:07,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:07,313 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 -> 316899e3244ab1144db06dfec912ba02d5aaddd7 [2019-11-27 16:10:07,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:07,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:07,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:07,939 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:07,943 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:07,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2019-11-27 16:10:08,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572cebbcb/e69f503ba2704543a4102041ad5b376d/FLAG7c61d85ee [2019-11-27 16:10:09,200 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:09,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2019-11-27 16:10:09,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572cebbcb/e69f503ba2704543a4102041ad5b376d/FLAG7c61d85ee [2019-11-27 16:10:09,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572cebbcb/e69f503ba2704543a4102041ad5b376d [2019-11-27 16:10:09,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:09,276 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:09,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:09,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:09,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:09,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:09,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09, skipping insertion in model container [2019-11-27 16:10:09,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:09,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:09,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:09,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:09,830 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:09,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:09,913 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:09,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09 WrapperNode [2019-11-27 16:10:09,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:09,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:09,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:09,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:10,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:10,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:10,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:10,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:10,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:10,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:10,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:10,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:10,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:10,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:10,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:10,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:10,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:10,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:10,156 INFO L168 Benchmark]: Toolchain (without parser) took 876.76 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:10,158 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:10,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.90 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. [2019-11-27 16:10:10,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:10,183 INFO L168 Benchmark]: Boogie Preprocessor took 47.60 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:10,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 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 639.90 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 181.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.60 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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 0.1.24-509859d [2019-11-27 16:10:13,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:13,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:13,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:13,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:13,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:13,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:14,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:14,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:14,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:14,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:14,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:14,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:14,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:14,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:14,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:14,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:14,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:14,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:14,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:14,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:14,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:14,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:14,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:14,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:14,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:14,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:14,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:14,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:14,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:14,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:14,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:14,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:14,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:14,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:14,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:14,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:14,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:14,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:14,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:14,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:14,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:14,165 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:14,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:14,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:14,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:14,173 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:14,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:14,175 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:14,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:14,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:14,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:14,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:14,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:14,180 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:14,181 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:14,181 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:14,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:14,181 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:14,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:14,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:14,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:14,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:14,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:14,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:14,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:14,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:14,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:14,187 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:14,189 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:14,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:14,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:14,191 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 -> 316899e3244ab1144db06dfec912ba02d5aaddd7 [2019-11-27 16:10:14,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:14,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:14,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:14,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:14,813 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:14,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2019-11-27 16:10:14,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a141afafc/9d53ca302c29485e8307cfd5171933bb/FLAG20d23213e [2019-11-27 16:10:16,003 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:16,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2019-11-27 16:10:16,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a141afafc/9d53ca302c29485e8307cfd5171933bb/FLAG20d23213e [2019-11-27 16:10:16,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a141afafc/9d53ca302c29485e8307cfd5171933bb [2019-11-27 16:10:16,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:16,078 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:16,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:16,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:16,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:16,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,104 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 27.11 04:10:16, skipping insertion in model container [2019-11-27 16:10:16,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:16,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:16,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:16,585 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:16,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:16,656 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:16,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16 WrapperNode [2019-11-27 16:10:16,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:16,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:16,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:16,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:16,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:16,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:16,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:16,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:16,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:16,887 INFO L168 Benchmark]: Toolchain (without parser) took 804.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:16,889 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:16,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.58 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:16,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:16,896 INFO L168 Benchmark]: Boogie Preprocessor took 70.51 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:16,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 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 575.58 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 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 142.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.51 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...