./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2c_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2c_append_equal.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 bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll2c_append_equal.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 bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:12,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:12,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:12,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:12,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:12,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:12,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:12,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:12,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:12,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:12,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:12,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:12,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:12,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:12,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:12,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:12,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:12,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:12,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:12,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:12,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:12,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:12,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:12,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:12,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:12,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:12,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:12,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:12,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:12,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:12,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:12,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:12,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:12,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:12,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:12,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:12,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:12,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:12,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:12,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:12,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:12,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:12,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:12,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:12,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:12,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:12,692 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:12,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:12,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:12,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:12,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:12,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:12,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:12,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:12,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:12,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:12,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:12,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:12,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:12,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:12,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:12,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:12,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:12,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:12,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:12,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:12,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:12,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:12,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:12,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:12,701 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 -> bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 [2019-11-27 09:50:13,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:13,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:13,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:13,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:13,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:13,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 09:50:13,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/465af7968/6339c06c609f476d84b88eb8b71e93db/FLAG0323fc6c5 [2019-11-27 09:50:14,159 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:14,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 09:50:14,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/465af7968/6339c06c609f476d84b88eb8b71e93db/FLAG0323fc6c5 [2019-11-27 09:50:14,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/465af7968/6339c06c609f476d84b88eb8b71e93db [2019-11-27 09:50:14,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:14,366 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:14,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:14,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:14,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:14,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509fde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14, skipping insertion in model container [2019-11-27 09:50:14,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:14,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:15,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:15,119 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:15,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:15,306 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:15,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15 WrapperNode [2019-11-27 09:50:15,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:15,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:15,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:15,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:15,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:15,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:15,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:15,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:15,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:15,520 INFO L168 Benchmark]: Toolchain (without parser) took 1150.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.8 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:15,521 INFO L168 Benchmark]: CDTParser took 1.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:15,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:15,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.26 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 09:50:15,536 INFO L168 Benchmark]: Boogie Preprocessor took 89.57 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:15,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87 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 936.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 115.26 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 89.57 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-da95e15 [2019-11-27 09:50:18,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:18,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:18,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:18,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:18,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:18,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:18,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:18,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:18,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:18,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:18,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:18,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:18,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:18,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:18,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:18,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:18,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:18,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:18,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:18,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:18,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:18,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:18,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:18,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:18,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:18,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:18,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:18,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:18,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:18,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:18,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:18,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:18,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:18,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:18,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:18,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:18,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:18,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:18,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:18,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:18,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:18,358 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:18,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:18,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:18,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:18,363 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:18,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:18,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:18,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:18,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:18,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:18,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:18,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:18,369 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:18,369 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:18,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:18,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:18,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:18,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:18,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:18,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:18,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:18,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:18,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:18,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:18,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:18,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:18,372 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:18,374 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:18,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:18,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:18,375 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 -> bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 [2019-11-27 09:50:18,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:18,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:18,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:18,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:18,892 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:18,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 09:50:18,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/111989e72/0dd42cc26f7141daae3ffb4f14423cb8/FLAG586f90a87 [2019-11-27 09:50:19,818 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:19,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 09:50:19,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/111989e72/0dd42cc26f7141daae3ffb4f14423cb8/FLAG586f90a87 [2019-11-27 09:50:20,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/111989e72/0dd42cc26f7141daae3ffb4f14423cb8 [2019-11-27 09:50:20,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:20,039 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:20,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:20,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:20,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:20,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:20" (1/1) ... [2019-11-27 09:50:20,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2288bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:20, skipping insertion in model container [2019-11-27 09:50:20,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:20" (1/1) ... [2019-11-27 09:50:20,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:20,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:20,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:20,807 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:20,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:21,020 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:21,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21 WrapperNode [2019-11-27 09:50:21,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:21,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:21,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:21,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:21,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:21,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:21,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:21,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:21,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:21,265 INFO L168 Benchmark]: Toolchain (without parser) took 1228.10 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: -5.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:21,271 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:21,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 981.83 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:21,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.05 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:21,276 INFO L168 Benchmark]: Boogie Preprocessor took 103.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:21,286 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 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 981.83 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.05 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...