./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_insert_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2c_insert_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 9459b8edd4bc1a8100b2516dc16681291af0c7dd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2c_insert_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 9459b8edd4bc1a8100b2516dc16681291af0c7dd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:11:51,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:51,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:51,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:51,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:51,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:51,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:51,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:51,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:51,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:51,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:51,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:51,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:51,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:51,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:51,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:51,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:51,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:51,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:51,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:51,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:51,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:51,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:51,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:51,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:51,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:51,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:51,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:51,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:51,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:51,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:51,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:51,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:51,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:51,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:51,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:51,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:51,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:51,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:51,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:51,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:51,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:51,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:51,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:51,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:51,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:51,458 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:51,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:51,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:51,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:51,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:51,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:51,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:51,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:51,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:51,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:51,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:51,465 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:51,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:51,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:51,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:51,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:51,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:51,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:51,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:51,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:51,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:51,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:51,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:51,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:51,473 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 -> 9459b8edd4bc1a8100b2516dc16681291af0c7dd [2019-11-27 16:11:52,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:52,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:52,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:52,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:52,074 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:52,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2019-11-27 16:11:52,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39918a9a/e31942a944f64098ab79b841f24ca09b/FLAG1b1e8df13 [2019-11-27 16:11:53,494 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:53,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2019-11-27 16:11:53,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39918a9a/e31942a944f64098ab79b841f24ca09b/FLAG1b1e8df13 [2019-11-27 16:11:53,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39918a9a/e31942a944f64098ab79b841f24ca09b [2019-11-27 16:11:53,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:53,589 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:53,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:53,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:53,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:53,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:53" (1/1) ... [2019-11-27 16:11:53,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:53, skipping insertion in model container [2019-11-27 16:11:53,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:53" (1/1) ... [2019-11-27 16:11:53,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:53,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:54,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:54,700 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:54,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:54,975 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:54,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54 WrapperNode [2019-11-27 16:11:54,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:54,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:54,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:54,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:54,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54" (1/1) ... [2019-11-27 16:11:55,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54" (1/1) ... [2019-11-27 16:11:55,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:55,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:55,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:55,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:55,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54" (1/1) ... [2019-11-27 16:11:55,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54" (1/1) ... [2019-11-27 16:11:55,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54" (1/1) ... [2019-11-27 16:11:55,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54" (1/1) ... [2019-11-27 16:11:55,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54" (1/1) ... [2019-11-27 16:11:55,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54" (1/1) ... [2019-11-27 16:11:55,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:54" (1/1) ... [2019-11-27 16:11:55,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:55,268 INFO L168 Benchmark]: Toolchain (without parser) took 1669.16 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 16:11:55,281 INFO L168 Benchmark]: CDTParser took 0.32 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 16:11:55,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1385.79 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 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 16:11:55,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.11 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:55,289 INFO L168 Benchmark]: Boogie Preprocessor took 116.10 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 16:11:55,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1385.79 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 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 159.11 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 116.10 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:11:59,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:59,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:59,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:59,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:59,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:59,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:59,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:59,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:59,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:59,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:59,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:59,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:59,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:59,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:59,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:59,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:59,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:59,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:59,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:59,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:59,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:59,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:59,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:59,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:59,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:59,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:59,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:59,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:59,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:59,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:59,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:59,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:59,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:59,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:59,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:59,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:59,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:59,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:59,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:59,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:59,293 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:59,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:59,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:59,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:59,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:59,355 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:59,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:59,360 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:59,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:59,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:59,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:59,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:59,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:59,362 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:59,363 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:59,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:59,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:59,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:59,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:59,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:59,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:59,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:59,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:59,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:59,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:59,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:59,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:59,373 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:59,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:59,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:59,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:59,376 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 -> 9459b8edd4bc1a8100b2516dc16681291af0c7dd [2019-11-27 16:11:59,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:59,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:59,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:59,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:59,979 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:59,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2019-11-27 16:12:00,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad097ccfc/74352c83c5b043b2aa09ea1bb6dea288/FLAGd893c9ce1 [2019-11-27 16:12:01,363 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:01,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2019-11-27 16:12:01,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad097ccfc/74352c83c5b043b2aa09ea1bb6dea288/FLAGd893c9ce1 [2019-11-27 16:12:01,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad097ccfc/74352c83c5b043b2aa09ea1bb6dea288 [2019-11-27 16:12:01,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:01,454 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:01,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:01,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:01,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:01,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:01" (1/1) ... [2019-11-27 16:12:01,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:01, skipping insertion in model container [2019-11-27 16:12:01,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:01" (1/1) ... [2019-11-27 16:12:01,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:01,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:02,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:02,603 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:02,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:02,879 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:02,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02 WrapperNode [2019-11-27 16:12:02,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:02,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:02,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:02,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:02,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02" (1/1) ... [2019-11-27 16:12:02,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02" (1/1) ... [2019-11-27 16:12:03,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:03,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:03,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:03,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:03,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02" (1/1) ... [2019-11-27 16:12:03,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02" (1/1) ... [2019-11-27 16:12:03,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02" (1/1) ... [2019-11-27 16:12:03,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02" (1/1) ... [2019-11-27 16:12:03,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02" (1/1) ... [2019-11-27 16:12:03,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02" (1/1) ... [2019-11-27 16:12:03,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:02" (1/1) ... [2019-11-27 16:12:03,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:03,188 INFO L168 Benchmark]: Toolchain (without parser) took 1730.74 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 972.4 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:03,189 INFO L168 Benchmark]: CDTParser took 0.35 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 16:12:03,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1421.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:03,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.75 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:03,199 INFO L168 Benchmark]: Boogie Preprocessor took 133.45 ms. Allocated memory is still 1.0 GB. Free memory is still 972.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:03,219 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1421.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.75 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 133.45 ms. Allocated memory is still 1.0 GB. Free memory is still 972.4 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...