./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 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.24-509859d [2019-11-27 16:14:15,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:15,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:15,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:15,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:15,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:15,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:15,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:15,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:15,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:15,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:15,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:15,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:15,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:15,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:15,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:15,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:15,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:15,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:15,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:15,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:15,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:15,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:15,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:15,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:15,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:15,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:15,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:15,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:15,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:15,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:15,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:15,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:15,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:15,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:15,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:15,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:15,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:15,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:15,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:15,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:15,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:14:15,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:15,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:15,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:15,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:15,375 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:15,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:15,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:15,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:14:15,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:15,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:15,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:15,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:15,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:15,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:15,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:15,382 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:15,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:15,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:15,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:15,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:15,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:15,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:15,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:15,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:15,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:15,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:14:15,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:14:15,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:15,389 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 [2019-11-27 16:14:15,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:15,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:15,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:15,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:15,990 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:15,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested5-2.c [2019-11-27 16:14:16,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fe70e2f/af3e7271781e47cdb159fd700232e856/FLAG37a5aa998 [2019-11-27 16:14:17,170 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:17,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested5-2.c [2019-11-27 16:14:17,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fe70e2f/af3e7271781e47cdb159fd700232e856/FLAG37a5aa998 [2019-11-27 16:14:17,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fe70e2f/af3e7271781e47cdb159fd700232e856 [2019-11-27 16:14:17,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:17,446 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:17,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:17,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:17,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:17,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:17" (1/1) ... [2019-11-27 16:14:17,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31007272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:17, skipping insertion in model container [2019-11-27 16:14:17,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:17" (1/1) ... [2019-11-27 16:14:17,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:17,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:17,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:17,960 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:17,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:18,033 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:18,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18 WrapperNode [2019-11-27 16:14:18,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:18,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:18,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:18,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:18,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18" (1/1) ... [2019-11-27 16:14:18,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18" (1/1) ... [2019-11-27 16:14:18,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:18,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:18,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:18,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:18,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18" (1/1) ... [2019-11-27 16:14:18,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18" (1/1) ... [2019-11-27 16:14:18,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18" (1/1) ... [2019-11-27 16:14:18,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18" (1/1) ... [2019-11-27 16:14:18,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18" (1/1) ... [2019-11-27 16:14:18,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18" (1/1) ... [2019-11-27 16:14:18,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:18" (1/1) ... [2019-11-27 16:14:18,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:18,275 INFO L168 Benchmark]: Toolchain (without parser) took 821.24 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 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:18,277 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:18,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.20 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:18,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:18,296 INFO L168 Benchmark]: Boogie Preprocessor took 61.96 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:18,308 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 585.20 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 164.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.96 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:14:22,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:22,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:22,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:22,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:22,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:22,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:22,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:22,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:22,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:22,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:22,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:22,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:22,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:22,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:22,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:22,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:22,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:22,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:22,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:22,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:22,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:22,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:22,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:22,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:22,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:22,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:22,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:22,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:22,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:22,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:22,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:22,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:22,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:22,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:22,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:22,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:22,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:22,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:22,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:22,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:22,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:14:22,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:22,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:22,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:22,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:22,296 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:22,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:22,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:22,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:22,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:22,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:22,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:22,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:22,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:14:22,302 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:14:22,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:22,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:22,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:22,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:22,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:22,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:22,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:22,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:22,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:22,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:22,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:22,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:22,311 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:14:22,311 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:14:22,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:22,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:14:22,313 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 [2019-11-27 16:14:22,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:22,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:22,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:22,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:22,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:22,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested5-2.c [2019-11-27 16:14:23,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086fff677/1d591cf8967642b0998f36e6969eb18e/FLAGc99c0a1fc [2019-11-27 16:14:24,007 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:24,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested5-2.c [2019-11-27 16:14:24,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086fff677/1d591cf8967642b0998f36e6969eb18e/FLAGc99c0a1fc [2019-11-27 16:14:24,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086fff677/1d591cf8967642b0998f36e6969eb18e [2019-11-27 16:14:24,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:24,218 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:24,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:24,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:24,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:24,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:24,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5421ec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24, skipping insertion in model container [2019-11-27 16:14:24,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:24,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:24,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:24,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:24,768 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:24,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:24,824 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:24,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24 WrapperNode [2019-11-27 16:14:24,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:24,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:24,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:24,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:24,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:24,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:24,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:24,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:24,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:24,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:25,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:25,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:25,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:25,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:25,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:25,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:25,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:24" (1/1) ... [2019-11-27 16:14:25,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:25,078 INFO L168 Benchmark]: Toolchain (without parser) took 857.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.3 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:25,080 INFO L168 Benchmark]: CDTParser took 2.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:25,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.52 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:25,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.0 MB in the end (delta: -45.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:25,088 INFO L168 Benchmark]: Boogie Preprocessor took 77.70 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:25,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 606.52 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 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 160.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.0 MB in the end (delta: -45.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.70 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...