./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.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/list-simple/sll2n_prepend_unequal.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 b1e80acb90dba1afece1695551c9c89d7adc1424 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/list-simple/sll2n_prepend_unequal.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 b1e80acb90dba1afece1695551c9c89d7adc1424 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:50:19,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:19,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:19,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:19,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:19,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:19,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:19,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:19,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:19,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:19,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:19,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:19,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:19,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:19,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:19,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:19,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:19,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:19,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:19,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:19,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:19,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:19,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:19,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:19,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:19,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:19,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:19,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:19,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:19,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:19,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:19,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:19,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:19,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:19,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:19,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:19,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:19,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:19,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:19,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:19,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:19,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:19,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:19,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:19,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:19,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:19,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:19,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:19,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:19,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:19,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:19,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:19,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:19,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:19,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:19,613 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:19,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:19,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:19,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:19,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:19,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:19,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:19,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:19,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:19,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:19,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:19,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:19,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:19,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:19,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:19,623 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 -> b1e80acb90dba1afece1695551c9c89d7adc1424 [2019-11-27 09:50:20,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:20,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:20,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:20,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:20,263 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:20,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-27 09:50:20,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f4bd28a/34bc63ec191c4cfca9710ebb0c63bc2f/FLAG378f1d9a7 [2019-11-27 09:50:21,693 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:21,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-27 09:50:21,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f4bd28a/34bc63ec191c4cfca9710ebb0c63bc2f/FLAG378f1d9a7 [2019-11-27 09:50:21,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f4bd28a/34bc63ec191c4cfca9710ebb0c63bc2f [2019-11-27 09:50:21,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:21,788 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:21,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:21,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:21,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:21,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21, skipping insertion in model container [2019-11-27 09:50:21,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:21,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:22,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:22,894 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:23,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:23,175 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:23,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23 WrapperNode [2019-11-27 09:50:23,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:23,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:23,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:23,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:23,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:23,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:23,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:23,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:23,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:23,419 INFO L168 Benchmark]: Toolchain (without parser) took 1621.12 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 962.5 MB in the end (delta: -822.4 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:23,421 INFO L168 Benchmark]: CDTParser took 0.42 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 09:50:23,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1387.77 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:23,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.64 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:23,437 INFO L168 Benchmark]: Boogie Preprocessor took 93.13 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:23,449 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1387.77 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.64 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 93.13 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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-da95e15 [2019-11-27 09:50:27,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:27,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:27,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:27,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:27,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:27,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:27,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:27,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:27,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:27,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:27,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:27,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:27,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:27,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:27,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:27,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:27,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:27,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:27,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:27,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:27,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:27,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:27,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:27,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:27,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:27,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:27,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:27,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:27,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:27,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:27,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:27,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:27,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:27,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:27,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:27,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:27,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:27,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:27,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:27,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:27,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:27,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:27,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:27,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:27,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:27,521 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:27,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:27,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:27,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:27,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:27,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:27,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:27,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:27,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:27,529 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:27,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:27,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:27,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:27,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:27,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:27,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:27,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:27,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:27,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:27,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:27,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:27,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:27,536 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:27,536 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:27,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:27,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:27,541 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 -> b1e80acb90dba1afece1695551c9c89d7adc1424 [2019-11-27 09:50:28,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:28,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:28,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:28,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:28,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:28,169 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-27 09:50:28,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f6b4184/6dff18f228694ce28a3a6ae5c119d640/FLAG47901deeb [2019-11-27 09:50:29,598 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:29,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-27 09:50:29,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f6b4184/6dff18f228694ce28a3a6ae5c119d640/FLAG47901deeb [2019-11-27 09:50:29,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f6b4184/6dff18f228694ce28a3a6ae5c119d640 [2019-11-27 09:50:29,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:29,690 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:29,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:29,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:29,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:29,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29, skipping insertion in model container [2019-11-27 09:50:29,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:29,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:30,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:30,883 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:31,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:31,216 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:31,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31 WrapperNode [2019-11-27 09:50:31,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:31,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:31,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:31,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:31,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31" (1/1) ... [2019-11-27 09:50:31,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31" (1/1) ... [2019-11-27 09:50:31,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:31,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:31,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:31,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:31,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31" (1/1) ... [2019-11-27 09:50:31,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31" (1/1) ... [2019-11-27 09:50:31,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31" (1/1) ... [2019-11-27 09:50:31,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31" (1/1) ... [2019-11-27 09:50:31,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31" (1/1) ... [2019-11-27 09:50:31,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31" (1/1) ... [2019-11-27 09:50:31,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:31" (1/1) ... [2019-11-27 09:50:31,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:31,562 INFO L168 Benchmark]: Toolchain (without parser) took 1871.11 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:31,568 INFO L168 Benchmark]: CDTParser took 0.38 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 09:50:31,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1525.72 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:31,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.30 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:31,576 INFO L168 Benchmark]: Boogie Preprocessor took 144.47 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:31,586 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1525.72 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 192.30 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 144.47 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 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...