./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_prepend_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/sll2n_prepend_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 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_prepend_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 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:19,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:19,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:19,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:19,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:19,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:19,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:19,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:19,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:19,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:19,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:19,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:19,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:19,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:19,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:19,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:19,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:19,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:19,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:19,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:19,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:19,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:19,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:19,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:19,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:19,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:19,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:19,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:19,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:19,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:19,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:19,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:19,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:19,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:19,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:19,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:19,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:19,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:19,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:19,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:19,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:19,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:19,291 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:19,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:19,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:19,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:19,300 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:19,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:19,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:19,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:19,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:19,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:19,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:19,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:19,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:19,308 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:19,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:19,310 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:19,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:19,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:19,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:19,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:19,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:19,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:19,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:19,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:19,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:19,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:19,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:19,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:19,319 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 -> 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 [2019-11-27 09:50:19,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:19,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:19,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:19,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:19,909 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:19,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-27 09:50:20,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb90a546/9636083e7e0c48d48a0e735e3e0d7059/FLAG0f86a6fa8 [2019-11-27 09:50:21,324 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:21,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-27 09:50:21,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb90a546/9636083e7e0c48d48a0e735e3e0d7059/FLAG0f86a6fa8 [2019-11-27 09:50:21,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb90a546/9636083e7e0c48d48a0e735e3e0d7059 [2019-11-27 09:50:21,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:21,422 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:21,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:21,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:21,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:21,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21, skipping insertion in model container [2019-11-27 09:50:21,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:21,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:22,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:22,517 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:22,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:22,799 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:22,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22 WrapperNode [2019-11-27 09:50:22,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:22,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:22,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:22,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:22,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22" (1/1) ... [2019-11-27 09:50:22,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22" (1/1) ... [2019-11-27 09:50:22,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:22,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:22,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:22,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:22,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22" (1/1) ... [2019-11-27 09:50:22,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22" (1/1) ... [2019-11-27 09:50:22,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22" (1/1) ... [2019-11-27 09:50:22,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22" (1/1) ... [2019-11-27 09:50:23,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22" (1/1) ... [2019-11-27 09:50:23,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22" (1/1) ... [2019-11-27 09:50:23,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:22" (1/1) ... [2019-11-27 09:50:23,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:23,058 INFO L168 Benchmark]: Toolchain (without parser) took 1626.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:23,059 INFO L168 Benchmark]: CDTParser took 2.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:23,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1378.27 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. [2019-11-27 09:50:23,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.67 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 09:50:23,074 INFO L168 Benchmark]: Boogie Preprocessor took 97.16 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 09:50:23,087 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.46 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 1378.27 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 139.67 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 97.16 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 09:50:26,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:26,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:27,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:27,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:27,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:27,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:27,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:27,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:27,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:27,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:27,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:27,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:27,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:27,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:27,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:27,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:27,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:27,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:27,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:27,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:27,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:27,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:27,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:27,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:27,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:27,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:27,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:27,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:27,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:27,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:27,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:27,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:27,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:27,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:27,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:27,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:27,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:27,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:27,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:27,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:27,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:27,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:27,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:27,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:27,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:27,198 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:27,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:27,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:27,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:27,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:27,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:27,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:27,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:27,206 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:27,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:27,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:27,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:27,209 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:27,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:27,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:27,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:27,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:27,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:27,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:27,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:27,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:27,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:27,217 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:27,218 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:27,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:27,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:27,221 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 -> 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 [2019-11-27 09:50:27,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:27,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:27,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:27,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:27,862 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:27,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-27 09:50:28,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b706775/71bdb19a0ad74e5f98a01faa3a2a1cdc/FLAGa65dc0d79 [2019-11-27 09:50:29,289 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:29,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-27 09:50:29,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b706775/71bdb19a0ad74e5f98a01faa3a2a1cdc/FLAGa65dc0d79 [2019-11-27 09:50:29,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b706775/71bdb19a0ad74e5f98a01faa3a2a1cdc [2019-11-27 09:50:29,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:29,381 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:29,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:29,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:29,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:29,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29, skipping insertion in model container [2019-11-27 09:50:29,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:29,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:30,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:30,528 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:30,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:30,821 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:30,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30 WrapperNode [2019-11-27 09:50:30,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:30,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:30,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:30,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:30,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30" (1/1) ... [2019-11-27 09:50:30,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30" (1/1) ... [2019-11-27 09:50:31,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:31,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:31,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:31,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:31,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30" (1/1) ... [2019-11-27 09:50:31,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30" (1/1) ... [2019-11-27 09:50:31,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30" (1/1) ... [2019-11-27 09:50:31,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30" (1/1) ... [2019-11-27 09:50:31,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30" (1/1) ... [2019-11-27 09:50:31,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30" (1/1) ... [2019-11-27 09:50:31,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:30" (1/1) ... [2019-11-27 09:50:31,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:31,131 INFO L168 Benchmark]: Toolchain (without parser) took 1749.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:31,135 INFO L168 Benchmark]: CDTParser took 3.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:31,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1442.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:31,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.51 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:31,141 INFO L168 Benchmark]: Boogie Preprocessor took 123.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:31,151 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.37 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 1442.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 177.51 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 123.24 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...