./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/signextension-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/signextension-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 f4433bb60ef050acea7db74543af3a05ddf5a434 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/signextension-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 f4433bb60ef050acea7db74543af3a05ddf5a434 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:38:20,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:20,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:20,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:20,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:20,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:20,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:20,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:20,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:20,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:20,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:20,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:20,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:20,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:20,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:20,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:20,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:20,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:20,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:20,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:20,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:20,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:20,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:20,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:20,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:20,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:20,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:20,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:20,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:20,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:20,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:20,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:20,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:20,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:20,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:20,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:20,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:20,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:20,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:20,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:20,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:20,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:38:20,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:20,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:20,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:20,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:20,557 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:20,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:20,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:20,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:38:20,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:20,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:20,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:20,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:20,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:20,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:20,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:20,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:20,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:20,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:20,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:20,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:20,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:20,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:20,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:20,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:20,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:20,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:20,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:38:20,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:38:20,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:20,572 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 -> f4433bb60ef050acea7db74543af3a05ddf5a434 [2019-11-24 20:38:21,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:21,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:21,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:21,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:21,174 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:21,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension-2.c [2019-11-24 20:38:21,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4f291b8/45634b6927e5468f8a1a75888c3cdfda/FLAG48b5b7ae3 [2019-11-24 20:38:22,263 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:22,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension-2.c [2019-11-24 20:38:22,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4f291b8/45634b6927e5468f8a1a75888c3cdfda/FLAG48b5b7ae3 [2019-11-24 20:38:22,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4f291b8/45634b6927e5468f8a1a75888c3cdfda [2019-11-24 20:38:22,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:22,470 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:22,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:22,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:22,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:22,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:22" (1/1) ... [2019-11-24 20:38:22,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1aada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:22, skipping insertion in model container [2019-11-24 20:38:22,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:22" (1/1) ... [2019-11-24 20:38:22,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:22,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:22,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:22,944 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:22,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:23,015 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:23,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23 WrapperNode [2019-11-24 20:38:23,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:23,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:23,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:23,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:23,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:23,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:23,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:23,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:23,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:23" (1/1) ... [2019-11-24 20:38:23,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:23,233 INFO L168 Benchmark]: Toolchain (without parser) took 758.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.2 MB in the end (delta: -28.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:23,235 INFO L168 Benchmark]: CDTParser took 0.89 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. [2019-11-24 20:38:23,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.71 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 950.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:23,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.49 ms. Allocated memory is still 1.0 GB. Free memory is still 950.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:23,254 INFO L168 Benchmark]: Boogie Preprocessor took 131.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:23,263 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 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 543.71 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 950.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 72.49 ms. Allocated memory is still 1.0 GB. Free memory is still 950.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.3 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 0.1.24-32f2683 [2019-11-24 20:38:27,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:27,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:27,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:27,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:27,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:27,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:27,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:27,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:27,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:27,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:27,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:27,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:27,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:27,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:27,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:27,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:27,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:27,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:27,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:27,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:27,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:27,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:27,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:27,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:27,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:27,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:27,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:27,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:27,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:27,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:27,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:27,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:27,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:27,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:27,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:27,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:27,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:27,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:27,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:27,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:27,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:38:27,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:27,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:27,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:27,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:27,330 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:27,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:27,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:27,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:27,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:27,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:27,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:27,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:27,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:27,336 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:38:27,338 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:38:27,338 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:27,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:27,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:27,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:27,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:27,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:27,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:27,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:27,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:27,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:27,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:27,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:27,345 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:38:27,345 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:38:27,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:27,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:38:27,348 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 -> f4433bb60ef050acea7db74543af3a05ddf5a434 [2019-11-24 20:38:27,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:27,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:27,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:27,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:27,980 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:27,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension-2.c [2019-11-24 20:38:28,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ea9c7c61/97543281ed844304b3ee2e20577d0551/FLAG35a1e726b [2019-11-24 20:38:29,097 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:29,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension-2.c [2019-11-24 20:38:29,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ea9c7c61/97543281ed844304b3ee2e20577d0551/FLAG35a1e726b [2019-11-24 20:38:29,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ea9c7c61/97543281ed844304b3ee2e20577d0551 [2019-11-24 20:38:29,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:29,333 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:29,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:29,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:29,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:29,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:29,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65159f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29, skipping insertion in model container [2019-11-24 20:38:29,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:29,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:29,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:29,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:29,854 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:29,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:29,929 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:29,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29 WrapperNode [2019-11-24 20:38:29,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:29,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:29,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:29,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:29,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:30,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:30,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:30,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:30,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:30,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:30,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:30,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:30,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:30,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:30,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:30,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:30,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:29" (1/1) ... [2019-11-24 20:38:30,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:30,123 INFO L168 Benchmark]: Toolchain (without parser) took 788.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:30,126 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-24 20:38:30,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.44 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:30,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:30,132 INFO L168 Benchmark]: Boogie Preprocessor took 29.47 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:30,149 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 593.44 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 158.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 29.47 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...