./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/list-2.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-properties/list-2.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 6439b1baef116d71fdff38c675a38b8a29c42257 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-properties/list-2.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 6439b1baef116d71fdff38c675a38b8a29c42257 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:10:18,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:18,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:18,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:18,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:18,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:18,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:18,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:18,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:18,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:18,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:18,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:18,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:18,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:18,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:18,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:18,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:18,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:18,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:18,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:18,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:18,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:18,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:18,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:18,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:18,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:18,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:18,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:18,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:18,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:18,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:18,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:18,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:18,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:18,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:18,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:18,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:18,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:18,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:18,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:18,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:18,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:18,482 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:18,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:18,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:18,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:18,489 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:18,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:18,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:18,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:18,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:18,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:18,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:18,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:18,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:18,494 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:18,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:18,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:18,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:18,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:18,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:18,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:18,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:18,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:18,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:18,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:18,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:18,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:18,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:18,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:18,501 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 -> 6439b1baef116d71fdff38c675a38b8a29c42257 [2019-11-27 16:10:18,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:18,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:18,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:18,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:18,922 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:18,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list-2.i [2019-11-27 16:10:19,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b763bfed1/bf52d3c3b6ae498c8e8e2c702d97ace7/FLAG0f5f007c2 [2019-11-27 16:10:19,884 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:19,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list-2.i [2019-11-27 16:10:19,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b763bfed1/bf52d3c3b6ae498c8e8e2c702d97ace7/FLAG0f5f007c2 [2019-11-27 16:10:20,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b763bfed1/bf52d3c3b6ae498c8e8e2c702d97ace7 [2019-11-27 16:10:20,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:20,071 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:20,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:20,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:20,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:20,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:20" (1/1) ... [2019-11-27 16:10:20,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:20, skipping insertion in model container [2019-11-27 16:10:20,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:20" (1/1) ... [2019-11-27 16:10:20,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:20,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:20,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:20,884 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:20,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:21,065 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:21,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21 WrapperNode [2019-11-27 16:10:21,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:21,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:21,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:21,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:21,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:21,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:21,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:21,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:21,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:21,260 INFO L168 Benchmark]: Toolchain (without parser) took 1188.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.8 MB in the end (delta: -12.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:21,268 INFO L168 Benchmark]: CDTParser took 2.40 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 16:10:21,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 991.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.5 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:21,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.98 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:21,274 INFO L168 Benchmark]: Boogie Preprocessor took 80.36 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:21,284 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.40 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 991.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.5 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 108.98 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.36 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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 16:10:24,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:24,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:24,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:24,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:24,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:24,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:24,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:24,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:24,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:24,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:24,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:24,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:24,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:24,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:24,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:24,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:24,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:24,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:24,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:24,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:24,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:24,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:24,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:24,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:24,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:24,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:24,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:24,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:24,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:24,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:24,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:24,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:24,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:24,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:24,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:24,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:24,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:24,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:24,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:24,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:24,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:24,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:24,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:24,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:24,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:24,239 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:24,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:24,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:24,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:24,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:24,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:24,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:24,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:24,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:24,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:24,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:24,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:24,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:24,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:24,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:24,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:24,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:24,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:24,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:24,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:24,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:24,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:24,249 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:24,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:24,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:24,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:24,251 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 -> 6439b1baef116d71fdff38c675a38b8a29c42257 [2019-11-27 16:10:24,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:24,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:24,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:24,720 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:24,722 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:24,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list-2.i [2019-11-27 16:10:24,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a25f855dd/2fbae95b38344f25b259e62bb13e464f/FLAGf5e6692cc [2019-11-27 16:10:25,666 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:25,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list-2.i [2019-11-27 16:10:25,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a25f855dd/2fbae95b38344f25b259e62bb13e464f/FLAGf5e6692cc [2019-11-27 16:10:25,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a25f855dd/2fbae95b38344f25b259e62bb13e464f [2019-11-27 16:10:25,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:25,865 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:25,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:25,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:25,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:25,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:25" (1/1) ... [2019-11-27 16:10:25,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:25, skipping insertion in model container [2019-11-27 16:10:25,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:25" (1/1) ... [2019-11-27 16:10:25,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:25,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:26,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:26,680 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:26,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:26,872 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:26,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26 WrapperNode [2019-11-27 16:10:26,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:26,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:26,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:26,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:26,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:26,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:26,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:26,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:26,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:26,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:26,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:26,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:26,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:26,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:27,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:27,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:27,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:27,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:27,062 INFO L168 Benchmark]: Toolchain (without parser) took 1191.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.8 MB in the end (delta: -12.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:27,062 INFO L168 Benchmark]: CDTParser took 1.56 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 16:10:27,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1002.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.5 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:27,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.79 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:27,070 INFO L168 Benchmark]: Boogie Preprocessor took 92.35 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:27,090 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 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 1002.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.5 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 86.79 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.35 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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...