./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/rule60_list2.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/ldv-regression/rule60_list2.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 10cd30ad3ca5cbac349bf58887b96141941b6c91 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ldv-regression/rule60_list2.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 10cd30ad3ca5cbac349bf58887b96141941b6c91 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:10:37,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:37,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:37,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:37,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:37,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:37,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:37,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:37,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:37,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:37,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:37,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:37,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:37,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:37,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:37,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:37,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:37,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:37,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:37,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:37,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:37,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:37,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:37,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:37,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:37,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:37,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:37,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:37,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:37,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:37,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:37,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:37,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:37,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:37,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:37,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:37,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:37,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:37,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:37,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:37,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:37,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:37,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:37,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:37,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:37,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:37,660 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:37,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:37,662 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:37,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:37,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:37,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:37,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:37,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:37,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:37,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:37,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:37,669 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:37,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:37,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:37,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:37,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:37,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:37,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:37,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:37,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:37,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:37,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:37,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:37,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:37,676 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 -> 10cd30ad3ca5cbac349bf58887b96141941b6c91 [2019-11-27 16:10:38,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:38,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:38,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:38,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:38,243 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:38,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/rule60_list2.i [2019-11-27 16:10:38,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8cb3a56/6f91b2dbb2f64742a4beeb385aa4b20b/FLAG2d40c0734 [2019-11-27 16:10:39,614 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:39,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule60_list2.i [2019-11-27 16:10:39,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8cb3a56/6f91b2dbb2f64742a4beeb385aa4b20b/FLAG2d40c0734 [2019-11-27 16:10:39,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8cb3a56/6f91b2dbb2f64742a4beeb385aa4b20b [2019-11-27 16:10:39,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:39,712 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:39,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:39,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:39,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:39,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:39" (1/1) ... [2019-11-27 16:10:39,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1b3a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:39, skipping insertion in model container [2019-11-27 16:10:39,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:39" (1/1) ... [2019-11-27 16:10:39,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:39,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:40,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:40,725 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:40,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:41,026 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:41,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41 WrapperNode [2019-11-27 16:10:41,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:41,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:41,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:41,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:41,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:41,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:41,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:41,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:41,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:41,275 INFO L168 Benchmark]: Toolchain (without parser) took 1555.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 967.0 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:41,279 INFO L168 Benchmark]: CDTParser took 0.41 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 16:10:41,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1317.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:41,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:41,292 INFO L168 Benchmark]: Boogie Preprocessor took 78.51 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:41,300 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1317.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 151.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.51 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 967.0 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 16:10:45,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:45,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:45,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:45,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:45,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:45,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:45,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:45,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:45,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:45,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:45,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:45,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:45,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:45,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:45,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:45,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:45,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:45,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:45,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:45,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:45,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:45,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:45,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:45,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:45,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:45,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:45,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:45,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:45,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:45,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:45,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:45,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:45,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:45,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:45,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:45,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:45,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:45,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:45,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:45,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:45,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:45,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:45,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:45,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:45,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:45,353 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:45,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:45,356 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:45,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:45,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:45,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:45,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:45,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:45,361 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:45,362 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:45,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:45,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:45,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:45,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:45,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:45,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:45,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:45,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:45,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:45,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:45,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:45,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:45,372 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:45,372 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:45,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:45,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:45,374 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 -> 10cd30ad3ca5cbac349bf58887b96141941b6c91 [2019-11-27 16:10:45,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:45,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:45,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:45,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:45,978 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:45,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/rule60_list2.i [2019-11-27 16:10:46,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27308a3f4/bfa5fb79830a458fa7d105ff6b065589/FLAG812d085ad [2019-11-27 16:10:47,355 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:47,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule60_list2.i [2019-11-27 16:10:47,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27308a3f4/bfa5fb79830a458fa7d105ff6b065589/FLAG812d085ad [2019-11-27 16:10:47,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27308a3f4/bfa5fb79830a458fa7d105ff6b065589 [2019-11-27 16:10:47,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:47,439 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:47,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:47,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:47,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:47,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47, skipping insertion in model container [2019-11-27 16:10:47,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:47,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:48,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:48,515 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:48,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:48,792 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:48,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48 WrapperNode [2019-11-27 16:10:48,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:48,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:48,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:48,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:48,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48" (1/1) ... [2019-11-27 16:10:48,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48" (1/1) ... [2019-11-27 16:10:48,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:48,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:48,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:48,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:48,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48" (1/1) ... [2019-11-27 16:10:48,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48" (1/1) ... [2019-11-27 16:10:48,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48" (1/1) ... [2019-11-27 16:10:48,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48" (1/1) ... [2019-11-27 16:10:49,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48" (1/1) ... [2019-11-27 16:10:49,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48" (1/1) ... [2019-11-27 16:10:49,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:48" (1/1) ... [2019-11-27 16:10:49,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:49,046 INFO L168 Benchmark]: Toolchain (without parser) took 1602.98 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 966.9 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:49,047 INFO L168 Benchmark]: CDTParser took 1.82 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 16:10:49,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1345.16 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 972.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:49,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.44 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 966.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:49,052 INFO L168 Benchmark]: Boogie Preprocessor took 85.84 ms. Allocated memory is still 1.0 GB. Free memory is still 966.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:49,075 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82 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 1345.16 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 972.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 152.44 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 966.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.84 ms. Allocated memory is still 1.0 GB. Free memory is still 966.9 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...