./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_append_unequal.i --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/list-simple/sll2n_append_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 cae663252cf3102da91695865874d633c1ee8349 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_append_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 cae663252cf3102da91695865874d633c1ee8349 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:09:01,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:01,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:01,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:01,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:01,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:01,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:01,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:01,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:01,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:01,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:01,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:01,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:01,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:01,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:01,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:01,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:01,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:01,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:01,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:01,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:01,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:01,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:01,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:01,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:01,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:01,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:01,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:01,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:01,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:01,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:01,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:01,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:01,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:01,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:01,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:01,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:01,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:01,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:01,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:01,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:01,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:01,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:01,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:01,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:01,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:01,562 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:01,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:01,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:01,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:01,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:01,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:01,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:01,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:01,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:01,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:01,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:01,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:01,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:01,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:01,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:01,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:01,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:01,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:01,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:01,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:01,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:01,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:01,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:01,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:01,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:01,578 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 -> cae663252cf3102da91695865874d633c1ee8349 [2019-11-24 21:09:02,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:02,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:02,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:02,186 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:02,190 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:02,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-24 21:09:02,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae19f8263/b7903ef14ffe4da5b805965e1a3c8d69/FLAGb9910aa7a [2019-11-24 21:09:03,594 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:03,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-24 21:09:03,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae19f8263/b7903ef14ffe4da5b805965e1a3c8d69/FLAGb9910aa7a [2019-11-24 21:09:03,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae19f8263/b7903ef14ffe4da5b805965e1a3c8d69 [2019-11-24 21:09:03,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:03,681 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:03,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:03,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:03,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:03,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:03" (1/1) ... [2019-11-24 21:09:03,708 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 24.11 09:09:03, skipping insertion in model container [2019-11-24 21:09:03,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:03" (1/1) ... [2019-11-24 21:09:03,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:03,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:04,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:04,794 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:04,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:05,074 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:05,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05 WrapperNode [2019-11-24 21:09:05,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:05,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:05,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:05,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:05,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:05,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:05,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:05,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:05,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:05,345 INFO L168 Benchmark]: Toolchain (without parser) took 1656.14 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:05,346 INFO L168 Benchmark]: CDTParser took 0.88 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 21:09:05,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1390.34 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:05,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.82 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:05,354 INFO L168 Benchmark]: Boogie Preprocessor took 99.13 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:05,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 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 1390.34 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 155.82 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 99.13 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 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 0.1.24-32f2683 [2019-11-24 21:09:09,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:09,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:09,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:09,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:09,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:09,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:09,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:09,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:09,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:09,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:09,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:09,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:09,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:09,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:09,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:09,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:09,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:09,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:09,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:09,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:09,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:09,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:09,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:09,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:09,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:09,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:09,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:09,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:09,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:09,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:09,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:09,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:09,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:09,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:09,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:09,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:09,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:09,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:09,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:09,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:09,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:09,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:09,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:09,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:09,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:09,479 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:09,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:09,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:09,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:09,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:09,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:09,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:09,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:09,484 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:09,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:09,487 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:09,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:09,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:09,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:09,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:09,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:09,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:09,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:09,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:09,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:09,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:09,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:09,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:09,494 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:09,494 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:09,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:09,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:09,499 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 -> cae663252cf3102da91695865874d633c1ee8349 [2019-11-24 21:09:10,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:10,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:10,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:10,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:10,082 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:10,092 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-24 21:09:10,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b39cf929/802dfecfe1e846eca0ce767010336a33/FLAGc60911fac [2019-11-24 21:09:11,473 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:11,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-24 21:09:11,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b39cf929/802dfecfe1e846eca0ce767010336a33/FLAGc60911fac [2019-11-24 21:09:11,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b39cf929/802dfecfe1e846eca0ce767010336a33 [2019-11-24 21:09:11,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:11,564 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:11,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:11,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:11,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:11,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:11" (1/1) ... [2019-11-24 21:09:11,599 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 24.11 09:09:11, skipping insertion in model container [2019-11-24 21:09:11,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:11" (1/1) ... [2019-11-24 21:09:11,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:11,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:12,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:12,700 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:12,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:13,005 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:13,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13 WrapperNode [2019-11-24 21:09:13,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:13,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:13,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:13,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:13,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:13,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:13,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:13,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:13,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:13,291 INFO L168 Benchmark]: Toolchain (without parser) took 1720.68 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 966.7 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:13,293 INFO L168 Benchmark]: CDTParser took 2.69 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 21:09:13,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1425.99 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 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:13,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.00 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:13,304 INFO L168 Benchmark]: Boogie Preprocessor took 121.86 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:13,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.69 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 1425.99 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 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 152.00 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.86 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 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...