./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c885d5164b9c6a132aac8a890127abac4e8781e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Muller_Kahan.c.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c885d5164b9c6a132aac8a890127abac4e8781e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:40,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:40,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:40,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:40,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:40,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:40,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:40,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:40,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:40,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:40,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:40,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:40,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:40,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:40,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:40,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:40,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:40,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:40,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:40,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:40,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:40,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:40,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:40,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:40,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:40,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:40,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:40,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:40,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:40,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:40,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:40,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:40,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:40,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:40,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:40,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:40,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:40,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:40,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:40,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:40,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:40,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:40,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:40,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:40,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:40,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:40,416 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:40,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:40,419 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:40,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:40,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:40,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:40,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:40,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:40,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:40,425 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:40,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:40,425 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:40,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:40,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:40,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:40,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:40,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:40,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:40,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:40,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:40,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:40,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:40,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:40,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:40,433 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 -> 4c885d5164b9c6a132aac8a890127abac4e8781e [2019-11-26 16:57:41,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:41,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:41,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:41,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:41,042 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:41,044 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2019-11-26 16:57:41,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9cbe5bb4/bfa85a1e15dd4d2db107c82ad25bf3c2/FLAGee4582451 [2019-11-26 16:57:42,218 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:42,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2019-11-26 16:57:42,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9cbe5bb4/bfa85a1e15dd4d2db107c82ad25bf3c2/FLAGee4582451 [2019-11-26 16:57:42,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9cbe5bb4/bfa85a1e15dd4d2db107c82ad25bf3c2 [2019-11-26 16:57:42,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:42,288 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:42,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:42,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:42,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:42,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:42,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcfb979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42, skipping insertion in model container [2019-11-26 16:57:42,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:42,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:42,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:42,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:42,841 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:42,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:42,923 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:42,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42 WrapperNode [2019-11-26 16:57:42,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:42,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:42,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:42,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:43,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:43,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:43,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:43,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:43,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:43,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:43,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:43,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:43,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:43,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:43,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:43,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:43,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:42" (1/1) ... [2019-11-26 16:57:43,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:43,140 INFO L168 Benchmark]: Toolchain (without parser) took 849.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:43,156 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:43,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.08 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:43,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:43,164 INFO L168 Benchmark]: Boogie Preprocessor took 36.90 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:43,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 641.08 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 165.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 36.90 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:47,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:47,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:47,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:47,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:47,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:47,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:47,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:47,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:47,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:47,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:47,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:47,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:47,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:47,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:47,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:47,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:47,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:47,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:47,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:47,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:47,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:47,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:47,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:47,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:47,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:47,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:47,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:47,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:47,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:47,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:47,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:47,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:47,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:47,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:47,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:47,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:47,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:47,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:47,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:47,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:47,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:47,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:47,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:47,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:47,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:47,534 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:47,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:47,535 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:47,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:47,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:47,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:47,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:47,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:47,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:47,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:47,541 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:47,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:47,542 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:47,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:47,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:47,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:47,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:47,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:47,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:47,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:47,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:47,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:47,550 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:47,551 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:47,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:47,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:47,555 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 -> 4c885d5164b9c6a132aac8a890127abac4e8781e [2019-11-26 16:57:48,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:48,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:48,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:48,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:48,194 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:48,196 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2019-11-26 16:57:48,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7d5911c/299091509e2642cdb88719d017fb9ad3/FLAGf51ecf9c9 [2019-11-26 16:57:49,433 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:49,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2019-11-26 16:57:49,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7d5911c/299091509e2642cdb88719d017fb9ad3/FLAGf51ecf9c9 [2019-11-26 16:57:49,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7d5911c/299091509e2642cdb88719d017fb9ad3 [2019-11-26 16:57:49,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:49,509 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:49,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:49,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:49,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:49,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6758708e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49, skipping insertion in model container [2019-11-26 16:57:49,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:49,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:50,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:50,055 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:50,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:50,137 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:50,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50 WrapperNode [2019-11-26 16:57:50,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:50,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:50,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:50,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:50,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:50,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:50,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:50,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:50,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:50" (1/1) ... [2019-11-26 16:57:50,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:50,407 INFO L168 Benchmark]: Toolchain (without parser) took 897.83 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 16:57:50,408 INFO L168 Benchmark]: CDTParser took 2.88 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:50,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.98 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 16:57:50,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.45 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 991.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:50,415 INFO L168 Benchmark]: Boogie Preprocessor took 72.78 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. [2019-11-26 16:57:50,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.88 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 630.98 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 185.45 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 991.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.78 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...