./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2c_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 052353e0eb8597d9bdf886ce67e33d52b41bcb80 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2c_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 052353e0eb8597d9bdf886ce67e33d52b41bcb80 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:14,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:14,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:14,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:14,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:14,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:14,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:14,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:14,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:14,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:14,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:14,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:14,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:14,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:14,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:14,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:14,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:14,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:14,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:14,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:14,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:14,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:14,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:14,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:14,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:14,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:14,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:14,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:14,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:14,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:14,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:14,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:14,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:14,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:14,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:14,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:14,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:14,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:14,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:14,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:14,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:14,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:14,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:14,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:14,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:14,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:14,703 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:14,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:14,705 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:14,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:14,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:14,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:14,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:14,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:14,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:14,712 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:14,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:14,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:14,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:14,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:14,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:14,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:14,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:14,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:14,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:14,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:14,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:14,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:14,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:14,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:14,722 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 -> 052353e0eb8597d9bdf886ce67e33d52b41bcb80 [2019-11-25 22:55:15,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:15,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:15,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:15,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:15,364 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:15,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-25 22:55:15,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c50b7f74/4a7813b5d5ee4f1c9884c7954f7e69d6/FLAGae91c7827 [2019-11-25 22:55:16,764 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:16,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-25 22:55:16,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c50b7f74/4a7813b5d5ee4f1c9884c7954f7e69d6/FLAGae91c7827 [2019-11-25 22:55:16,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c50b7f74/4a7813b5d5ee4f1c9884c7954f7e69d6 [2019-11-25 22:55:16,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:16,870 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:16,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:16,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:16,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:16,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:16" (1/1) ... [2019-11-25 22:55:16,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:16, skipping insertion in model container [2019-11-25 22:55:16,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:16" (1/1) ... [2019-11-25 22:55:16,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:17,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:17,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:17,951 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:18,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:18,240 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:18,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18 WrapperNode [2019-11-25 22:55:18,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:18,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:18,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:18,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:18,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:18,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:18,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:18,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:18,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:18,533 INFO L168 Benchmark]: Toolchain (without parser) took 1649.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 628.6 kB). Peak memory consumption was 694.1 kB. Max. memory is 12.5 GB. [2019-11-25 22:55:18,534 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:18,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1367.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:18,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.78 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. [2019-11-25 22:55:18,545 INFO L168 Benchmark]: Boogie Preprocessor took 112.58 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. [2019-11-25 22:55:18,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1367.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 158.78 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 112.58 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 0.1.24-65d6cd2 [2019-11-25 22:55:22,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:22,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:22,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:22,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:22,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:22,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:22,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:22,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:22,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:22,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:22,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:22,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:22,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:22,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:22,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:22,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:22,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:22,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:22,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:22,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:22,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:22,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:22,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:22,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:22,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:22,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:22,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:22,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:22,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:22,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:22,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:22,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:22,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:22,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:22,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:22,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:22,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:22,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:22,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:22,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:22,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:22,675 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:22,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:22,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:22,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:22,686 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:22,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:22,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:22,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:22,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:22,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:22,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:22,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:22,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:22,692 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:22,693 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:22,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:22,693 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:22,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:22,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:22,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:22,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:22,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:22,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:22,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:22,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:22,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:22,699 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:22,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:22,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:22,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:22,701 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 -> 052353e0eb8597d9bdf886ce67e33d52b41bcb80 [2019-11-25 22:55:23,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:23,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:23,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:23,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:23,301 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:23,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-25 22:55:23,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a3f5ecc/dc3eef92268544199006c72c42dbd66e/FLAGd5ff80235 [2019-11-25 22:55:24,692 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:24,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2019-11-25 22:55:24,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a3f5ecc/dc3eef92268544199006c72c42dbd66e/FLAGd5ff80235 [2019-11-25 22:55:24,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a3f5ecc/dc3eef92268544199006c72c42dbd66e [2019-11-25 22:55:24,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:24,788 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:24,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:24,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:24,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:24,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:24" (1/1) ... [2019-11-25 22:55:24,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:24, skipping insertion in model container [2019-11-25 22:55:24,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:24" (1/1) ... [2019-11-25 22:55:24,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:24,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:25,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:25,902 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:26,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:26,231 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:26,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26 WrapperNode [2019-11-25 22:55:26,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:26,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:26,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:26,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:26,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:26,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:26,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:26,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:26,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:26,526 INFO L168 Benchmark]: Toolchain (without parser) took 1734.09 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. [2019-11-25 22:55:26,527 INFO L168 Benchmark]: CDTParser took 1.52 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. [2019-11-25 22:55:26,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1441.56 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. [2019-11-25 22:55:26,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.36 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. [2019-11-25 22:55:26,536 INFO L168 Benchmark]: Boogie Preprocessor took 132.28 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. [2019-11-25 22:55:26,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52 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 1441.56 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 150.36 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 132.28 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...