./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/loops/invert_string-3.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 ac7c62eef1736762a9ed0f43546ad9c2b468346f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loops/invert_string-3.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 ac7c62eef1736762a9ed0f43546ad9c2b468346f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:40,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:40,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:40,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:40,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:40,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:40,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:40,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:40,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:40,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:40,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:40,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:40,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:40,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:40,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:40,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:40,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:40,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:40,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:40,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:40,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:40,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:40,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:40,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:40,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:40,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:40,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:40,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:40,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:40,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:40,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:40,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:40,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:40,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:40,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:40,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:40,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:40,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:40,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:40,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:40,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:40,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:40,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:40,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:40,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:40,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:40,465 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:40,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:40,466 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:40,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:40,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:40,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:40,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:40,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:40,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:40,471 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:40,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:40,474 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:40,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:40,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:40,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:40,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:40,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:40,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:40,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:40,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:40,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:40,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:40,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:40,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:40,480 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 -> ac7c62eef1736762a9ed0f43546ad9c2b468346f [2019-11-27 09:50:41,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:41,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:41,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:41,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:41,196 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:41,197 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-3.c [2019-11-27 09:50:41,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88de9d303/14dbd2bba91d4c94a64d457e61ea42ca/FLAGd00a8f4ae [2019-11-27 09:50:42,377 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:42,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2019-11-27 09:50:42,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88de9d303/14dbd2bba91d4c94a64d457e61ea42ca/FLAGd00a8f4ae [2019-11-27 09:50:42,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88de9d303/14dbd2bba91d4c94a64d457e61ea42ca [2019-11-27 09:50:42,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:42,444 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:42,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:42,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:42,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:42,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:42" (1/1) ... [2019-11-27 09:50:42,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:42, skipping insertion in model container [2019-11-27 09:50:42,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:42" (1/1) ... [2019-11-27 09:50:42,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:42,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:42,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:42,960 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:43,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:43,174 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:43,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43 WrapperNode [2019-11-27 09:50:43,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:43,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:43,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:43,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:43,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:43,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:43,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:43,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:43,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:43,364 INFO L168 Benchmark]: Toolchain (without parser) took 905.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:43,368 INFO L168 Benchmark]: CDTParser took 1.50 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 09:50:43,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:43,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.83 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 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 09:50:43,378 INFO L168 Benchmark]: Boogie Preprocessor took 63.14 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:43,391 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50 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 729.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 104.83 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 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. * Boogie Preprocessor took 63.14 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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-da95e15 [2019-11-27 09:50:47,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:47,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:47,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:47,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:47,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:47,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:47,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:47,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:47,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:47,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:47,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:47,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:47,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:47,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:47,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:47,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:47,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:47,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:47,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:47,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:47,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:47,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:47,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:47,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:47,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:47,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:47,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:47,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:47,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:47,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:47,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:47,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:47,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:47,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:47,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:47,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:47,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:47,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:47,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:47,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:47,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:47,520 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:47,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:47,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:47,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:47,527 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:47,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:47,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:47,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:47,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:47,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:47,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:47,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:47,534 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:47,535 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:47,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:47,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:47,536 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:47,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:47,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:47,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:47,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:47,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:47,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:47,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:47,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:47,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:47,540 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:47,541 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:47,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:47,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:47,544 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 -> ac7c62eef1736762a9ed0f43546ad9c2b468346f [2019-11-27 09:50:48,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:48,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:48,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:48,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:48,146 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:48,148 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-3.c [2019-11-27 09:50:48,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84709d33b/1267793dba524bf4866c82b1717f7099/FLAG4c8aa1982 [2019-11-27 09:50:49,278 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:49,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2019-11-27 09:50:49,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84709d33b/1267793dba524bf4866c82b1717f7099/FLAG4c8aa1982 [2019-11-27 09:50:49,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84709d33b/1267793dba524bf4866c82b1717f7099 [2019-11-27 09:50:49,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:49,496 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:49,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:49,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:49,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:49,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:49" (1/1) ... [2019-11-27 09:50:49,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c02fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:49, skipping insertion in model container [2019-11-27 09:50:49,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:49" (1/1) ... [2019-11-27 09:50:49,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:49,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:50,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:50,014 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:50,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:50,204 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:50,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50 WrapperNode [2019-11-27 09:50:50,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:50,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:50,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:50,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:50,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50" (1/1) ... [2019-11-27 09:50:50,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50" (1/1) ... [2019-11-27 09:50:50,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:50,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:50,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:50,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:50,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50" (1/1) ... [2019-11-27 09:50:50,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50" (1/1) ... [2019-11-27 09:50:50,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50" (1/1) ... [2019-11-27 09:50:50,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50" (1/1) ... [2019-11-27 09:50:50,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50" (1/1) ... [2019-11-27 09:50:50,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50" (1/1) ... [2019-11-27 09:50:50,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:50" (1/1) ... [2019-11-27 09:50:50,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:50,369 INFO L168 Benchmark]: Toolchain (without parser) took 871.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.0 MB in the end (delta: -25.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:50,371 INFO L168 Benchmark]: CDTParser took 0.40 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 09:50:50,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.7 MB in the end (delta: -30.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:50,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:50,378 INFO L168 Benchmark]: Boogie Preprocessor took 77.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:50,392 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 710.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.7 MB in the end (delta: -30.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 71.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 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...