./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 509859d6 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 0.1.24-509859d [2019-11-27 16:12:06,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:06,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:06,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:06,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:06,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:06,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:06,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:06,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:06,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:07,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:07,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:07,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:07,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:07,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:07,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:07,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:07,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:07,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:07,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:07,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:07,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:07,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:07,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:07,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:07,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:07,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:07,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:07,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:07,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:07,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:07,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:07,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:07,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:07,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:07,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:07,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:07,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:07,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:07,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:07,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:07,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:07,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:07,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:07,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:07,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:07,151 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:07,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:07,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:07,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:07,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:07,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:07,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:07,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:07,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:07,156 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:07,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:07,159 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:07,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:07,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:07,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:07,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:07,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:07,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:07,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:07,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:07,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:07,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:07,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:07,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:07,165 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 [2019-11-27 16:12:07,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:07,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:07,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:07,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:07,781 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:07,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 16:12:07,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3ad5d92/ab6fdbe205264c51baee9fc4f7cc7b49/FLAG617f40d4b [2019-11-27 16:12:09,113 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:09,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 16:12:09,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3ad5d92/ab6fdbe205264c51baee9fc4f7cc7b49/FLAG617f40d4b [2019-11-27 16:12:09,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3ad5d92/ab6fdbe205264c51baee9fc4f7cc7b49 [2019-11-27 16:12:09,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:09,179 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:09,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:09,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:09,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:09,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:09" (1/1) ... [2019-11-27 16:12:09,196 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 04:12:09, skipping insertion in model container [2019-11-27 16:12:09,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:09" (1/1) ... [2019-11-27 16:12:09,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:09,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:10,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:10,155 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:10,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:10,434 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:10,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10 WrapperNode [2019-11-27 16:12:10,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:10,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:10,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:10,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:10,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:10,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:10,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:10,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:10,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:10,692 INFO L168 Benchmark]: Toolchain (without parser) took 1494.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 616.1 kB). Peak memory consumption was 681.7 kB. Max. memory is 12.5 GB. [2019-11-27 16:12:10,694 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-27 16:12:10,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1255.54 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:10,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.60 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. [2019-11-27 16:12:10,700 INFO L168 Benchmark]: Boogie Preprocessor took 92.04 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 16:12:10,709 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1255.54 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 140.60 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 92.04 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 0.1.24-509859d [2019-11-27 16:12:14,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:14,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:14,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:14,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:14,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:14,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:14,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:14,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:14,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:14,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:14,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:14,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:14,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:14,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:14,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:14,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:14,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:14,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:14,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:14,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:14,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:14,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:14,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:14,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:14,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:14,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:14,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:14,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:14,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:14,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:14,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:14,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:14,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:14,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:14,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:14,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:14,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:14,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:14,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:14,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:14,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:14,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:14,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:14,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:14,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:14,645 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:14,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:14,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:14,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:14,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:14,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:14,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:14,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:14,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:14,651 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:14,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:14,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:14,653 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:14,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:14,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:14,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:14,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:14,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:14,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:14,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:14,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:14,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:14,659 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:14,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:14,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:14,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:14,661 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 [2019-11-27 16:12:15,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:15,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:15,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:15,327 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:15,330 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:15,332 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 16:12:15,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed92997c7/43e585f496d44aae9c48f8edf33e0821/FLAGea994d4ac [2019-11-27 16:12:16,720 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:16,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 16:12:16,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed92997c7/43e585f496d44aae9c48f8edf33e0821/FLAGea994d4ac [2019-11-27 16:12:16,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed92997c7/43e585f496d44aae9c48f8edf33e0821 [2019-11-27 16:12:16,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:16,817 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:16,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:16,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:16,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:16,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:16,839 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 04:12:16, skipping insertion in model container [2019-11-27 16:12:16,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:16,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:16,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:17,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:17,844 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:18,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:18,129 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:18,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18 WrapperNode [2019-11-27 16:12:18,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:18,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:18,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:18,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:18,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18" (1/1) ... [2019-11-27 16:12:18,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18" (1/1) ... [2019-11-27 16:12:18,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:18,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:18,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:18,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:18,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18" (1/1) ... [2019-11-27 16:12:18,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18" (1/1) ... [2019-11-27 16:12:18,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18" (1/1) ... [2019-11-27 16:12:18,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18" (1/1) ... [2019-11-27 16:12:18,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18" (1/1) ... [2019-11-27 16:12:18,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18" (1/1) ... [2019-11-27 16:12:18,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:18" (1/1) ... [2019-11-27 16:12:18,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:18,418 INFO L168 Benchmark]: Toolchain (without parser) took 1601.22 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 972.5 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:18,423 INFO L168 Benchmark]: CDTParser took 2.92 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. [2019-11-27 16:12:18,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1314.57 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:18,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.95 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 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. [2019-11-27 16:12:18,431 INFO L168 Benchmark]: Boogie Preprocessor took 127.87 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. [2019-11-27 16:12:18,445 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.92 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 1314.57 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 978.2 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 152.95 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 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. * Boogie Preprocessor took 127.87 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...