./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all.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_update_all.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 ef034042979fe1e524a3655a8992190a25335ff0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_update_all.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 ef034042979fe1e524a3655a8992190a25335ff0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:09:03,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:03,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:03,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:03,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:03,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:03,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:03,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:03,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:03,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:03,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:03,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:03,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:03,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:03,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:03,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:03,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:03,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:03,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:03,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:03,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:03,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:03,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:03,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:03,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:03,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:03,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:03,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:03,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:03,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:03,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:03,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:03,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:03,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:03,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:03,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:03,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:03,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:03,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:03,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:03,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:03,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:03,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:03,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:03,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:03,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:03,496 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:03,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:03,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:03,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:03,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:03,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:03,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:03,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:03,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:03,503 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:03,504 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:03,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:03,504 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:03,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:03,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:03,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:03,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:03,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:03,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:03,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:03,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:03,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:03,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:03,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:03,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:03,512 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 -> ef034042979fe1e524a3655a8992190a25335ff0 [2019-11-24 21:09:04,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:04,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:04,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:04,092 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:04,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:04,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-24 21:09:04,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/569ad7a2b/84d75b276422465ab526698590fec792/FLAGd2d2d839c [2019-11-24 21:09:05,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:05,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-24 21:09:05,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/569ad7a2b/84d75b276422465ab526698590fec792/FLAGd2d2d839c [2019-11-24 21:09:05,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/569ad7a2b/84d75b276422465ab526698590fec792 [2019-11-24 21:09:05,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:05,530 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:05,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:05,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:05,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:05,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05, skipping insertion in model container [2019-11-24 21:09:05,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:05,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:06,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:06,551 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:06,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:06,813 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:06,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06 WrapperNode [2019-11-24 21:09:06,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:06,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:06,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:06,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:06,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:06,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:06,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:06,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:06,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:07,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:07,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:07,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:07,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:07,062 INFO L168 Benchmark]: Toolchain (without parser) took 1530.20 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. [2019-11-24 21:09:07,063 INFO L168 Benchmark]: CDTParser took 4.05 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:07,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1268.52 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 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:07,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.77 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:07,077 INFO L168 Benchmark]: Boogie Preprocessor took 96.17 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. [2019-11-24 21:09:07,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.05 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1268.52 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 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.77 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.17 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. 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 21:09:11,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:11,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:11,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:11,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:11,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:11,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:11,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:11,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:11,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:11,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:11,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:11,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:11,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:11,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:11,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:11,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:11,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:11,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:11,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:11,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:11,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:11,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:11,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:11,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:11,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:11,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:11,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:11,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:11,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:11,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:11,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:11,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:11,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:11,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:11,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:11,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:11,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:11,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:11,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:11,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:11,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:11,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:11,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:11,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:11,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:11,244 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:11,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:11,247 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:11,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:11,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:11,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:11,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:11,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:11,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:11,253 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:11,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:11,254 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:11,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:11,255 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:11,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:11,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:11,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:11,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:11,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:11,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:11,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:11,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:11,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:11,263 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:11,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:11,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:11,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:11,265 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 -> ef034042979fe1e524a3655a8992190a25335ff0 [2019-11-24 21:09:11,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:11,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:11,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:11,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:11,906 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:11,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-24 21:09:12,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db1986d9/85358c859a074895ac584c31e4e7c5a6/FLAG1ed7d947f [2019-11-24 21:09:13,180 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:13,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-24 21:09:13,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db1986d9/85358c859a074895ac584c31e4e7c5a6/FLAG1ed7d947f [2019-11-24 21:09:13,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db1986d9/85358c859a074895ac584c31e4e7c5a6 [2019-11-24 21:09:13,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:13,733 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:13,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:13,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:13,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:13,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be22f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13, skipping insertion in model container [2019-11-24 21:09:13,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:13,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:14,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:14,754 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:14,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:15,027 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:15,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15 WrapperNode [2019-11-24 21:09:15,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:15,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:15,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:15,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:15,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:15,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:15,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:15,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:15,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:15,286 INFO L168 Benchmark]: Toolchain (without parser) took 1549.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:15,287 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:15,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1285.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.2 MB in the end (delta: -803.3 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:15,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.71 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. [2019-11-24 21:09:15,303 INFO L168 Benchmark]: Boogie Preprocessor took 112.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:15,318 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1285.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.2 MB in the end (delta: -803.3 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 133.71 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. * Boogie Preprocessor took 112.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 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...