./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-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/bitvector-regression/implicitunsignedconversion-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 30aae13da2995f6cf7e0a5685beedb709cfcbffa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/bitvector-regression/implicitunsignedconversion-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 30aae13da2995f6cf7e0a5685beedb709cfcbffa ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:41:16,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:16,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:16,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:16,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:16,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:16,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:16,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:16,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:16,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:16,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:16,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:16,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:16,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:16,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:16,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:16,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:16,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:16,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:16,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:16,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:16,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:16,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:16,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:16,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:16,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:16,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:16,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:16,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:16,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:16,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:16,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:16,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:16,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:16,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:16,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:16,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:16,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:16,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:16,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:16,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:16,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:16,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:16,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:16,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:16,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:16,540 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:16,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:16,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:16,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:16,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:16,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:16,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:16,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:16,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:16,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:16,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:16,548 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:16,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:16,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:16,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:16,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:16,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:16,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:16,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:16,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:16,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:16,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:16,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:16,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:16,555 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 -> 30aae13da2995f6cf7e0a5685beedb709cfcbffa [2019-11-27 15:41:17,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:17,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:17,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:17,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:17,177 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:17,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-2.c [2019-11-27 15:41:17,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86dcec6c3/9930828851074b2589161ed079cd931a/FLAG53a86938c [2019-11-27 15:41:18,421 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:18,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-2.c [2019-11-27 15:41:18,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86dcec6c3/9930828851074b2589161ed079cd931a/FLAG53a86938c [2019-11-27 15:41:18,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86dcec6c3/9930828851074b2589161ed079cd931a [2019-11-27 15:41:18,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:18,495 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:18,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:18,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:18,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:18,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:18" (1/1) ... [2019-11-27 15:41:18,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0a05f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:18, skipping insertion in model container [2019-11-27 15:41:18,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:18" (1/1) ... [2019-11-27 15:41:18,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:18,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:18,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:18,985 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:19,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:19,043 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:19,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19 WrapperNode [2019-11-27 15:41:19,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:19,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:19,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:19,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:19,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19" (1/1) ... [2019-11-27 15:41:19,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19" (1/1) ... [2019-11-27 15:41:19,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:19,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:19,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:19,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:19,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19" (1/1) ... [2019-11-27 15:41:19,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19" (1/1) ... [2019-11-27 15:41:19,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19" (1/1) ... [2019-11-27 15:41:19,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19" (1/1) ... [2019-11-27 15:41:19,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19" (1/1) ... [2019-11-27 15:41:19,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19" (1/1) ... [2019-11-27 15:41:19,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:19" (1/1) ... [2019-11-27 15:41:19,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:19,283 INFO L168 Benchmark]: Toolchain (without parser) took 781.17 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:19,285 INFO L168 Benchmark]: CDTParser took 0.36 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 15:41:19,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.02 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. [2019-11-27 15:41:19,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.02 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:19,296 INFO L168 Benchmark]: Boogie Preprocessor took 43.18 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:19,310 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 550.02 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 180.02 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.18 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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 0.1.24-509859d [2019-11-27 15:41:23,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:23,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:23,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:23,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:23,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:23,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:23,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:23,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:23,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:23,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:23,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:23,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:23,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:23,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:23,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:23,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:23,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:23,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:23,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:23,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:23,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:23,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:23,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:23,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:23,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:23,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:23,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:23,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:23,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:23,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:23,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:23,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:23,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:23,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:23,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:23,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:23,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:23,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:23,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:23,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:23,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:23,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:23,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:23,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:23,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:23,377 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:23,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:23,378 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:23,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:23,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:23,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:23,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:23,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:23,380 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:23,382 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:23,383 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:23,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:23,383 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:23,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:23,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:23,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:23,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:23,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:23,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:23,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:23,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:23,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:23,390 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:23,393 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:23,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:23,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:23,395 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 -> 30aae13da2995f6cf7e0a5685beedb709cfcbffa [2019-11-27 15:41:23,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:24,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:24,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:24,014 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:24,014 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:24,017 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-2.c [2019-11-27 15:41:24,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/890bccde0/8177e48341c243cdb7161a43ec45faac/FLAG5d3f7b234 [2019-11-27 15:41:25,225 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:25,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-2.c [2019-11-27 15:41:25,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/890bccde0/8177e48341c243cdb7161a43ec45faac/FLAG5d3f7b234 [2019-11-27 15:41:25,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/890bccde0/8177e48341c243cdb7161a43ec45faac [2019-11-27 15:41:25,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:25,298 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:25,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:25,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:25,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:25,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:25,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c60f834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25, skipping insertion in model container [2019-11-27 15:41:25,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:25,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:25,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:25,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:25,780 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:25,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:25,836 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:25,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25 WrapperNode [2019-11-27 15:41:25,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:25,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:25,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:25,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:25,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:25,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:26,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:26,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:26,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:26,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:26,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:26,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:26,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:26,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:26,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:26,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:26,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:25" (1/1) ... [2019-11-27 15:41:26,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:26,049 INFO L168 Benchmark]: Toolchain (without parser) took 734.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:26,051 INFO L168 Benchmark]: CDTParser took 1.62 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 15:41:26,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.59 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. [2019-11-27 15:41:26,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.48 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. [2019-11-27 15:41:26,062 INFO L168 Benchmark]: Boogie Preprocessor took 24.83 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:26,075 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62 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 537.59 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 156.48 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 24.83 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...