./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c --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/seq-mthreaded/rekcba_nxt.2.M1-2.c -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 13418dfc9be97be835ca3a64718ebe6e3b511a93 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/seq-mthreaded/rekcba_nxt.2.M1-2.c -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 13418dfc9be97be835ca3a64718ebe6e3b511a93 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:24:07,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:24:07,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:24:07,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:24:07,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:24:07,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:24:07,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:24:07,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:24:07,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:24:07,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:24:07,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:24:07,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:24:07,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:24:07,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:24:07,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:24:07,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:24:07,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:24:07,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:24:07,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:24:07,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:24:07,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:24:07,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:24:07,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:24:07,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:24:07,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:24:07,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:24:07,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:24:07,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:24:07,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:24:07,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:24:07,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:24:07,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:24:07,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:24:07,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:24:07,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:24:07,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:24:07,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:24:07,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:24:07,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:24:07,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:24:07,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:24:07,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:24:07,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:24:07,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:24:07,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:24:07,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:24:07,931 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:24:07,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:24:07,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:24:07,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:24:07,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:24:07,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:24:07,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:24:07,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:24:07,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:24:07,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:24:07,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:24:07,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:24:07,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:24:07,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:24:07,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:24:07,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:24:07,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:24:07,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:24:07,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:24:07,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:24:07,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:24:07,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:24:07,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:24:07,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:24:07,949 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 -> 13418dfc9be97be835ca3a64718ebe6e3b511a93 [2019-11-27 16:24:08,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:24:08,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:24:08,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:24:08,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:24:08,567 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:24:08,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-27 16:24:08,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24be338be/dbcea9e479464814a0628001bfdc72a0/FLAG147fa4fc0 [2019-11-27 16:24:10,122 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:24:10,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-27 16:24:10,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24be338be/dbcea9e479464814a0628001bfdc72a0/FLAG147fa4fc0 [2019-11-27 16:24:10,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24be338be/dbcea9e479464814a0628001bfdc72a0 [2019-11-27 16:24:10,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:24:10,231 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:24:10,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:24:10,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:24:10,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:24:10,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:24:10" (1/1) ... [2019-11-27 16:24:10,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112358cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:10, skipping insertion in model container [2019-11-27 16:24:10,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:24:10" (1/1) ... [2019-11-27 16:24:10,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:24:10,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:24:11,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:24:12,053 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:24:12,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:24:12,656 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:24:12,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12 WrapperNode [2019-11-27 16:24:12,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:24:12,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:24:12,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:24:12,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:24:12,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12" (1/1) ... [2019-11-27 16:24:12,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12" (1/1) ... [2019-11-27 16:24:13,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:24:13,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:24:13,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:24:13,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:24:13,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12" (1/1) ... [2019-11-27 16:24:13,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12" (1/1) ... [2019-11-27 16:24:14,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12" (1/1) ... [2019-11-27 16:24:14,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12" (1/1) ... [2019-11-27 16:24:14,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12" (1/1) ... [2019-11-27 16:24:14,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12" (1/1) ... [2019-11-27 16:24:14,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:12" (1/1) ... [2019-11-27 16:24:15,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:24:15,037 INFO L168 Benchmark]: Toolchain (without parser) took 4799.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 772.0 MB in the end (delta: 184.0 MB). Peak memory consumption was 184.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:15,040 INFO L168 Benchmark]: CDTParser took 2.45 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 16:24:15,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2420.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 933.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:15,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 1121.56 ms. Allocated memory is still 1.0 GB. Free memory was 933.3 MB in the beginning and 841.1 MB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:15,053 INFO L168 Benchmark]: Boogie Preprocessor took 1246.38 ms. Allocated memory is still 1.0 GB. Free memory was 841.1 MB in the beginning and 772.0 MB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:15,063 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.45 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 2420.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 933.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1121.56 ms. Allocated memory is still 1.0 GB. Free memory was 933.3 MB in the beginning and 841.1 MB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1246.38 ms. Allocated memory is still 1.0 GB. Free memory was 841.1 MB in the beginning and 772.0 MB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 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 16:24:19,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:24:19,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:24:19,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:24:19,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:24:19,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:24:19,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:24:19,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:24:19,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:24:19,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:24:19,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:24:19,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:24:19,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:24:19,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:24:19,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:24:19,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:24:19,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:24:19,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:24:19,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:24:19,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:24:19,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:24:19,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:24:19,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:24:19,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:24:19,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:24:19,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:24:19,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:24:19,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:24:19,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:24:19,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:24:19,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:24:19,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:24:19,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:24:19,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:24:19,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:24:19,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:24:19,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:24:19,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:24:19,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:24:19,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:24:19,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:24:19,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:24:19,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:24:19,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:24:19,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:24:19,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:24:19,599 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:24:19,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:24:19,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:24:19,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:24:19,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:24:19,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:24:19,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:24:19,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:24:19,607 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:24:19,608 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:24:19,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:24:19,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:24:19,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:24:19,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:24:19,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:24:19,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:24:19,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:24:19,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:24:19,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:24:19,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:24:19,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:24:19,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:24:19,619 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:24:19,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:24:19,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:24:19,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:24:19,624 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 -> 13418dfc9be97be835ca3a64718ebe6e3b511a93 [2019-11-27 16:24:20,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:24:20,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:24:20,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:24:20,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:24:20,337 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:24:20,339 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-27 16:24:20,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4417f4cf/d5b71cb5c63b46a2bd8070de364e0c92/FLAG672768298 [2019-11-27 16:24:22,092 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:24:22,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-27 16:24:22,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4417f4cf/d5b71cb5c63b46a2bd8070de364e0c92/FLAG672768298 [2019-11-27 16:24:22,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4417f4cf/d5b71cb5c63b46a2bd8070de364e0c92 [2019-11-27 16:24:22,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:24:22,204 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:24:22,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:24:22,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:24:22,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:24:22,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:24:22" (1/1) ... [2019-11-27 16:24:22,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76576ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:22, skipping insertion in model container [2019-11-27 16:24:22,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:24:22" (1/1) ... [2019-11-27 16:24:22,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:24:22,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:24:24,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:24:24,424 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:24:25,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:24:25,161 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:24:25,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25 WrapperNode [2019-11-27 16:24:25,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:24:25,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:24:25,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:24:25,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:24:25,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25" (1/1) ... [2019-11-27 16:24:25,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25" (1/1) ... [2019-11-27 16:24:26,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:24:26,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:24:26,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:24:26,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:24:26,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25" (1/1) ... [2019-11-27 16:24:26,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25" (1/1) ... [2019-11-27 16:24:26,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25" (1/1) ... [2019-11-27 16:24:26,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25" (1/1) ... [2019-11-27 16:24:27,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25" (1/1) ... [2019-11-27 16:24:27,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25" (1/1) ... [2019-11-27 16:24:27,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:25" (1/1) ... [2019-11-27 16:24:28,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:24:28,073 INFO L168 Benchmark]: Toolchain (without parser) took 5860.85 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 755.4 MB in the end (delta: 206.3 MB). Peak memory consumption was 206.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:28,074 INFO L168 Benchmark]: CDTParser took 1.41 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 16:24:28,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2943.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 910.4 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:28,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 1349.18 ms. Allocated memory is still 1.0 GB. Free memory was 910.4 MB in the beginning and 830.2 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:28,085 INFO L168 Benchmark]: Boogie Preprocessor took 1542.48 ms. Allocated memory is still 1.0 GB. Free memory was 830.2 MB in the beginning and 755.4 MB in the end (delta: 74.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:28,098 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 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 2943.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 910.4 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1349.18 ms. Allocated memory is still 1.0 GB. Free memory was 910.4 MB in the beginning and 830.2 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1542.48 ms. Allocated memory is still 1.0 GB. Free memory was 830.2 MB in the beginning and 755.4 MB in the end (delta: 74.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...