./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test_overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test_overflow.i -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 c8f9d6dff962c1f511785f72ad5dc5ece1495e04 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ldv-regression/test_overflow.i -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 c8f9d6dff962c1f511785f72ad5dc5ece1495e04 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:14,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:14,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:14,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:14,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:14,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:14,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:14,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:14,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:14,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:14,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:14,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:14,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:14,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:14,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:14,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:14,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:14,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:14,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:14,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:14,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:14,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:14,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:14,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:14,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:14,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:14,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:14,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:14,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:14,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:14,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:14,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:14,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:14,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:14,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:14,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:14,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:14,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:14,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:14,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:14,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:14,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:14,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:14,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:14,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:14,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:14,333 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:14,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:14,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:14,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:14,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:14,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:14,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:14,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:14,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:14,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:14,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:14,342 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:14,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:14,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:14,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:14,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:14,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:14,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:14,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:14,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:14,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:14,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:14,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:14,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:14,350 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 -> c8f9d6dff962c1f511785f72ad5dc5ece1495e04 [2019-11-27 09:49:14,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:15,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:15,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:15,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:15,033 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:15,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_overflow.i [2019-11-27 09:49:15,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68fc83b6d/a844c7d3666147f59c4f9e1019ed8cf0/FLAGec1066c24 [2019-11-27 09:49:16,333 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:16,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_overflow.i [2019-11-27 09:49:16,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68fc83b6d/a844c7d3666147f59c4f9e1019ed8cf0/FLAGec1066c24 [2019-11-27 09:49:16,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68fc83b6d/a844c7d3666147f59c4f9e1019ed8cf0 [2019-11-27 09:49:16,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:16,834 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:16,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:16,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:16,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:16,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:16,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737469c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16, skipping insertion in model container [2019-11-27 09:49:16,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:16,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:16,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:18,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:18,032 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:18,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:18,432 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:18,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18 WrapperNode [2019-11-27 09:49:18,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:18,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:18,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:18,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:18,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18" (1/1) ... [2019-11-27 09:49:18,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18" (1/1) ... [2019-11-27 09:49:18,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:18,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:18,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:18,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:18,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18" (1/1) ... [2019-11-27 09:49:18,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18" (1/1) ... [2019-11-27 09:49:18,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18" (1/1) ... [2019-11-27 09:49:18,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18" (1/1) ... [2019-11-27 09:49:18,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18" (1/1) ... [2019-11-27 09:49:18,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18" (1/1) ... [2019-11-27 09:49:18,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:18" (1/1) ... [2019-11-27 09:49:18,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:18,672 INFO L168 Benchmark]: Toolchain (without parser) took 1830.28 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 962.1 MB in the end (delta: -386.0 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:18,673 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:18,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1597.88 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 962.1 MB in the end (delta: -386.0 kB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:18,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.42 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:18,681 INFO L168 Benchmark]: Boogie Preprocessor took 81.08 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:18,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1597.88 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 962.1 MB in the end (delta: -386.0 kB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 142.42 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 81.08 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:22,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:22,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:22,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:22,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:22,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:22,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:22,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:22,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:22,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:22,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:22,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:22,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:22,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:22,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:22,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:22,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:22,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:22,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:22,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:22,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:22,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:22,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:22,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:22,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:22,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:22,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:22,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:22,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:22,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:22,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:22,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:22,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:23,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:23,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:23,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:23,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:23,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:23,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:23,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:23,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:23,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:23,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:23,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:23,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:23,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:23,097 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:23,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:23,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:23,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:23,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:23,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:23,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:23,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:23,105 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:23,108 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:23,108 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:23,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:23,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:23,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:23,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:23,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:23,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:23,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:23,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:23,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:23,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:23,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:23,119 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:23,120 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:23,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:23,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:23,123 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 -> c8f9d6dff962c1f511785f72ad5dc5ece1495e04 [2019-11-27 09:49:23,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:23,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:23,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:23,790 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:23,792 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:23,794 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_overflow.i [2019-11-27 09:49:23,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ace0772/e40752f5554a48cd8968da1163b97b3b/FLAG08eb7902b [2019-11-27 09:49:25,277 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:25,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_overflow.i [2019-11-27 09:49:25,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ace0772/e40752f5554a48cd8968da1163b97b3b/FLAG08eb7902b [2019-11-27 09:49:25,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ace0772/e40752f5554a48cd8968da1163b97b3b [2019-11-27 09:49:25,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:25,342 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:25,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:25,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:25,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:25,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:25" (1/1) ... [2019-11-27 09:49:25,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6628c258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:25, skipping insertion in model container [2019-11-27 09:49:25,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:25" (1/1) ... [2019-11-27 09:49:25,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:25,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:26,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:26,551 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:26,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:26,994 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:27,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26 WrapperNode [2019-11-27 09:49:27,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:27,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:27,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:27,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:27,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:27,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:27,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:27,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:27,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:27,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:27,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:27,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:27,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:27,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:27,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:27,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:27,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:27,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:27,255 INFO L168 Benchmark]: Toolchain (without parser) took 1908.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 955.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:27,258 INFO L168 Benchmark]: CDTParser took 5.05 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:27,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1641.43 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 961.0 MB in the end (delta: 727.4 kB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:27,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.59 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:27,265 INFO L168 Benchmark]: Boogie Preprocessor took 95.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:27,277 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.05 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 1641.43 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 961.0 MB in the end (delta: 727.4 kB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 149.59 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 95.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...