./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/nested5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops-crafted-1/nested5-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7eaf0793cec89d448854bfc17d4ff0ef1b63fde8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-crafted-1/nested5-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7eaf0793cec89d448854bfc17d4ff0ef1b63fde8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:04:50,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:04:50,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:04:50,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:04:50,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:04:50,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:04:50,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:04:50,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:04:50,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:04:50,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:04:50,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:04:50,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:04:50,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:04:50,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:04:50,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:04:50,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:04:50,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:04:50,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:04:50,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:04:50,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:04:50,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:04:50,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:04:50,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:04:50,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:04:50,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:04:50,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:04:50,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:04:50,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:04:50,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:04:50,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:04:50,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:04:50,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:04:50,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:04:50,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:04:50,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:04:50,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:04:50,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:04:50,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:04:50,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:04:50,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:04:50,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:04:50,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:04:50,429 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:04:50,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:04:50,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:04:50,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:04:50,434 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:04:50,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:04:50,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:04:50,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:04:50,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:04:50,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:04:50,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:04:50,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:04:50,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:04:50,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:04:50,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:04:50,443 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:04:50,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:04:50,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:04:50,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:04:50,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:04:50,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:04:50,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:04:50,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:04:50,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:04:50,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:04:50,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:04:50,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:04:50,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:04:50,453 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 -> 7eaf0793cec89d448854bfc17d4ff0ef1b63fde8 [2019-11-26 17:04:50,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:04:51,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:04:51,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:04:51,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:04:51,044 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:04:51,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested5-2.c [2019-11-26 17:04:51,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa05573e/db83f8a4decc490ea93b4f2e4a60e96e/FLAG91551349c [2019-11-26 17:04:52,188 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:04:52,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested5-2.c [2019-11-26 17:04:52,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa05573e/db83f8a4decc490ea93b4f2e4a60e96e/FLAG91551349c [2019-11-26 17:04:52,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa05573e/db83f8a4decc490ea93b4f2e4a60e96e [2019-11-26 17:04:52,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:04:52,489 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:04:52,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:52,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:04:52,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:04:52,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58038550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52, skipping insertion in model container [2019-11-26 17:04:52,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:04:52,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:04:52,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:52,962 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:04:52,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:53,015 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:04:53,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53 WrapperNode [2019-11-26 17:04:53,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:53,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:53,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:04:53,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:04:53,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53" (1/1) ... [2019-11-26 17:04:53,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53" (1/1) ... [2019-11-26 17:04:53,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:53,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:04:53,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:04:53,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:04:53,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53" (1/1) ... [2019-11-26 17:04:53,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53" (1/1) ... [2019-11-26 17:04:53,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53" (1/1) ... [2019-11-26 17:04:53,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53" (1/1) ... [2019-11-26 17:04:53,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53" (1/1) ... [2019-11-26 17:04:53,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53" (1/1) ... [2019-11-26 17:04:53,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:53" (1/1) ... [2019-11-26 17:04:53,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:04:53,237 INFO L168 Benchmark]: Toolchain (without parser) took 748.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:04:53,240 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 1.0 GB. Free memory is still 983.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:04:53,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.60 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 944.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:53,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 997.0 MB in the end (delta: -52.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:53,263 INFO L168 Benchmark]: Boogie Preprocessor took 49.68 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:53,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 1.0 GB. Free memory is still 983.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 536.60 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 944.5 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 149.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 997.0 MB in the end (delta: -52.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.68 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:04:57,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:04:57,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:04:57,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:04:57,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:04:57,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:04:57,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:04:57,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:04:57,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:04:57,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:04:57,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:04:57,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:04:57,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:04:57,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:04:57,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:04:57,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:04:57,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:04:57,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:04:57,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:04:57,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:04:57,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:04:57,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:04:57,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:04:57,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:04:57,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:04:57,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:04:57,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:04:57,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:04:57,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:04:57,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:04:57,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:04:57,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:04:57,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:04:57,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:04:57,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:04:57,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:04:57,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:04:57,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:04:57,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:04:57,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:04:57,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:04:57,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:04:57,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:04:57,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:04:57,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:04:57,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:04:57,467 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:04:57,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:04:57,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:04:57,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:04:57,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:04:57,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:04:57,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:04:57,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:04:57,475 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:04:57,475 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:04:57,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:04:57,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:04:57,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:04:57,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:04:57,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:04:57,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:04:57,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:04:57,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:04:57,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:04:57,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:04:57,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:04:57,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:04:57,487 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:04:57,487 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:04:57,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:04:57,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:04:57,490 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 -> 7eaf0793cec89d448854bfc17d4ff0ef1b63fde8 [2019-11-26 17:04:58,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:04:58,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:04:58,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:04:58,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:04:58,104 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:04:58,105 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested5-2.c [2019-11-26 17:04:58,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ae41ad8/b8294388da564229ad60e96d464dce18/FLAGe47f55bdb [2019-11-26 17:04:59,315 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:04:59,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested5-2.c [2019-11-26 17:04:59,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ae41ad8/b8294388da564229ad60e96d464dce18/FLAGe47f55bdb [2019-11-26 17:04:59,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ae41ad8/b8294388da564229ad60e96d464dce18 [2019-11-26 17:04:59,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:04:59,377 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:04:59,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:59,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:04:59,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:04:59,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:04:59,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59, skipping insertion in model container [2019-11-26 17:04:59,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:04:59,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:04:59,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:04:59,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:59,921 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:04:59,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:59,993 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:04:59,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59 WrapperNode [2019-11-26 17:04:59,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:00,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:00,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:00,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:00,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:05:00,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:05:00,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:00,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:00,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:00,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:00,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:05:00,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:05:00,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:05:00,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:05:00,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:05:00,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:05:00,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:59" (1/1) ... [2019-11-26 17:05:00,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:00,272 INFO L168 Benchmark]: Toolchain (without parser) took 888.14 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 17:05:00,276 INFO L168 Benchmark]: CDTParser took 1.55 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 17:05:00,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.13 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 17:05:00,285 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:00,287 INFO L168 Benchmark]: Boogie Preprocessor took 83.69 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 17:05:00,297 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55 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 611.13 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 176.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.69 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...