./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/prod4br.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/nla-digbench/prod4br.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 b55beb4a61cd142d078470b74af01af0a947567d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/nla-digbench/prod4br.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 b55beb4a61cd142d078470b74af01af0a947567d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:05:17,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:17,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:17,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:17,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:17,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:17,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:17,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:17,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:17,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:17,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:17,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:17,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:17,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:17,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:17,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:17,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:17,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:17,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:17,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:17,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:17,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:17,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:17,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:17,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:17,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:17,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:17,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:17,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:17,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:17,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:17,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:17,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:17,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:17,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:17,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:17,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:17,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:17,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:17,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:17,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:17,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:17,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:17,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:17,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:17,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:17,401 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:17,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:17,403 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:17,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:17,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:17,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:17,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:17,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:17,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:17,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:17,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:17,412 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:17,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:17,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:17,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:17,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:17,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:17,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:17,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:17,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:17,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:17,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:17,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:17,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:17,418 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 -> b55beb4a61cd142d078470b74af01af0a947567d [2019-11-26 17:05:18,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:18,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:18,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:18,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:18,056 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:18,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/prod4br.c [2019-11-26 17:05:18,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a8ef934/b995b374832440f2a49eabdd88c506b5/FLAG96dc35189 [2019-11-26 17:05:19,292 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:19,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/prod4br.c [2019-11-26 17:05:19,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a8ef934/b995b374832440f2a49eabdd88c506b5/FLAG96dc35189 [2019-11-26 17:05:19,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a8ef934/b995b374832440f2a49eabdd88c506b5 [2019-11-26 17:05:19,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:19,367 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:19,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:19,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:19,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:19,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:19" (1/1) ... [2019-11-26 17:05:19,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:19, skipping insertion in model container [2019-11-26 17:05:19,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:19" (1/1) ... [2019-11-26 17:05:19,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:19,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:19,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:19,939 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:20,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:20,033 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:20,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20 WrapperNode [2019-11-26 17:05:20,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:20,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:20,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:20,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:20,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:20,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:20,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:20,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:20,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:20,338 INFO L168 Benchmark]: Toolchain (without parser) took 968.63 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. [2019-11-26 17:05:20,343 INFO L168 Benchmark]: CDTParser took 2.26 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 17:05:20,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.23 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 17:05:20,350 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.89 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:20,354 INFO L168 Benchmark]: Boogie Preprocessor took 87.93 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:20,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.26 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 669.23 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 203.89 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.93 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 17:05:24,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:24,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:24,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:24,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:24,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:24,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:24,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:24,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:24,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:24,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:24,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:24,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:24,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:24,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:24,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:24,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:24,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:24,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:24,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:24,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:24,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:24,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:24,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:24,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:24,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:24,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:24,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:24,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:24,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:24,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:24,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:24,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:24,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:24,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:24,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:24,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:24,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:24,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:24,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:24,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:24,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:24,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:24,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:24,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:24,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:24,481 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:24,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:24,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:24,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:24,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:24,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:24,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:24,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:24,487 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:24,487 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:24,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:24,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:24,490 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:24,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:24,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:24,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:24,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:24,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:24,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:24,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:24,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:24,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:24,496 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:24,496 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:24,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:24,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:24,500 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 -> b55beb4a61cd142d078470b74af01af0a947567d [2019-11-26 17:05:25,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:25,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:25,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:25,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:25,111 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:25,113 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/prod4br.c [2019-11-26 17:05:25,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496f0e802/81ae25c0991847ff93980383797cff09/FLAG5ddefcb7a [2019-11-26 17:05:26,344 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:26,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/prod4br.c [2019-11-26 17:05:26,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496f0e802/81ae25c0991847ff93980383797cff09/FLAG5ddefcb7a [2019-11-26 17:05:26,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496f0e802/81ae25c0991847ff93980383797cff09 [2019-11-26 17:05:26,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:26,429 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:26,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:26,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:26,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:26,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:26" (1/1) ... [2019-11-26 17:05:26,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:26, skipping insertion in model container [2019-11-26 17:05:26,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:26" (1/1) ... [2019-11-26 17:05:26,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:26,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:26,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:26,950 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:27,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:27,144 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:27,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27 WrapperNode [2019-11-26 17:05:27,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:27,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:27,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:27,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:27,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:27,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:27,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:27,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:27,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:27" (1/1) ... [2019-11-26 17:05:27,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:27,350 INFO L168 Benchmark]: Toolchain (without parser) took 920.13 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. [2019-11-26 17:05:27,358 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 17:05:27,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.19 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:27,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.58 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:27,367 INFO L168 Benchmark]: Boogie Preprocessor took 93.79 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. [2019-11-26 17:05:27,378 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 715.19 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 102.58 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 93.79 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...