./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-loops/overflow_1-2.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-loops/overflow_1-2.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 f4526571742eb25e0f57ff87ddd1b7e43e417837 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-loops/overflow_1-2.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 f4526571742eb25e0f57ff87ddd1b7e43e417837 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:41:20,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:20,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:20,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:20,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:20,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:20,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:20,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:20,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:20,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:20,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:20,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:20,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:20,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:20,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:20,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:20,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:20,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:20,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:20,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:20,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:20,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:20,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:20,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:20,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:20,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:20,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:20,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:20,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:20,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:20,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:20,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:20,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:20,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:20,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:20,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:20,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:20,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:20,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:20,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:20,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:20,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:20,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:20,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:20,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:20,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:20,419 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:20,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:20,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:20,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:20,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:20,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:20,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:20,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:20,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:20,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:20,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:20,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:20,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:20,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:20,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:20,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:20,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:20,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:20,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:20,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:20,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:20,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:20,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:20,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:20,438 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 -> f4526571742eb25e0f57ff87ddd1b7e43e417837 [2019-11-27 15:41:21,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:21,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:21,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:21,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:21,130 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:21,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-loops/overflow_1-2.c [2019-11-27 15:41:21,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2719737b/b50617f7006d4f4bb604d80e3a7137d1/FLAG3275eb9c0 [2019-11-27 15:41:22,365 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:22,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-loops/overflow_1-2.c [2019-11-27 15:41:22,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2719737b/b50617f7006d4f4bb604d80e3a7137d1/FLAG3275eb9c0 [2019-11-27 15:41:22,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2719737b/b50617f7006d4f4bb604d80e3a7137d1 [2019-11-27 15:41:22,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:22,425 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:22,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:22,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:22,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:22,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:22,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22, skipping insertion in model container [2019-11-27 15:41:22,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:22,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:22,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:22,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:22,879 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:22,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:22,948 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:22,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22 WrapperNode [2019-11-27 15:41:22,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:22,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:22,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:22,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:22,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:22,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:23,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:23,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:23,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:23,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:23,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:23,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:23,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:23,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:23,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:23,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:23,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:22" (1/1) ... [2019-11-27 15:41:23,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:23,142 INFO L168 Benchmark]: Toolchain (without parser) took 714.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:23,146 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:23,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.25 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:23,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.97 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 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:23,168 INFO L168 Benchmark]: Boogie Preprocessor took 45.52 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:23,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 522.25 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 136.97 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 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 45.52 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. 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 15:41:27,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:27,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:27,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:27,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:27,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:27,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:27,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:27,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:27,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:27,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:27,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:27,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:27,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:27,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:27,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:27,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:27,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:27,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:27,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:27,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:27,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:27,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:27,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:27,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:27,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:27,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:27,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:27,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:27,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:27,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:27,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:27,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:27,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:27,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:27,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:27,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:27,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:27,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:27,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:27,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:27,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:27,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:27,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:27,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:27,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:27,425 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:27,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:27,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:27,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:27,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:27,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:27,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:27,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:27,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:27,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:27,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:27,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:27,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:27,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:27,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:27,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:27,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:27,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:27,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:27,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:27,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:27,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:27,448 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:27,449 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:27,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:27,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:27,454 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 -> f4526571742eb25e0f57ff87ddd1b7e43e417837 [2019-11-27 15:41:28,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:28,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:28,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:28,096 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:28,097 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:28,100 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-loops/overflow_1-2.c [2019-11-27 15:41:28,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b4304c0/4b55e12408694406b093b3edf32e0b4c/FLAGe0ed1b897 [2019-11-27 15:41:29,335 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:29,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-loops/overflow_1-2.c [2019-11-27 15:41:29,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b4304c0/4b55e12408694406b093b3edf32e0b4c/FLAGe0ed1b897 [2019-11-27 15:41:29,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b4304c0/4b55e12408694406b093b3edf32e0b4c [2019-11-27 15:41:29,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:29,406 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:29,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:29,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:29,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:29,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:29" (1/1) ... [2019-11-27 15:41:29,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:29, skipping insertion in model container [2019-11-27 15:41:29,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:29" (1/1) ... [2019-11-27 15:41:29,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:29,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:29,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:29,973 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:29,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:30,049 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:30,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30 WrapperNode [2019-11-27 15:41:30,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:30,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:30,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:30,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:30,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:30,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:30,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:30,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:30,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:30,301 INFO L168 Benchmark]: Toolchain (without parser) took 892.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:30,303 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:30,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.47 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:30,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.45 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 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:30,314 INFO L168 Benchmark]: Boogie Preprocessor took 63.47 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 15:41:30,327 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 641.47 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 171.45 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 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.47 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...