./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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.M1-1.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 64aa7646f0904a7771c7e1ab7647bb6d53f5a8d4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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.M1-1.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 64aa7646f0904a7771c7e1ab7647bb6d53f5a8d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:02:17,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:02:17,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:02:17,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:02:17,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:02:17,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:02:17,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:02:17,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:02:17,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:02:17,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:02:17,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:02:17,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:02:17,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:02:17,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:02:17,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:02:17,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:02:17,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:02:17,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:02:17,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:02:17,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:02:17,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:02:17,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:02:17,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:02:17,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:02:17,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:02:17,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:02:17,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:02:17,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:02:17,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:02:17,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:02:17,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:02:17,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:02:17,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:02:17,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:02:17,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:02:17,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:02:17,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:02:17,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:02:17,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:02:17,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:02:17,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:02:17,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:02:17,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:02:17,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:02:17,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:02:17,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:02:17,312 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:02:17,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:02:17,313 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:02:17,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:02:17,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:02:17,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:02:17,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:02:17,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:02:17,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:02:17,319 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:02:17,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:02:17,323 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:02:17,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:02:17,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:02:17,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:02:17,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:02:17,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:02:17,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:02:17,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:02:17,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:02:17,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:02:17,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:02:17,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:02:17,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:02:17,329 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 -> 64aa7646f0904a7771c7e1ab7647bb6d53f5a8d4 [2019-11-27 10:02:17,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:02:18,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:02:18,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:02:18,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:02:18,038 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:02:18,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-27 10:02:18,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b1b4f3b1/33bde4e70c8c4d3dba0ee9c98cf6ea17/FLAG8e615d5a6 [2019-11-27 10:02:19,676 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:02:19,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-27 10:02:19,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b1b4f3b1/33bde4e70c8c4d3dba0ee9c98cf6ea17/FLAG8e615d5a6 [2019-11-27 10:02:19,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b1b4f3b1/33bde4e70c8c4d3dba0ee9c98cf6ea17 [2019-11-27 10:02:19,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:02:19,784 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:02:19,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:19,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:02:19,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:02:19,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:19,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a6e3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19, skipping insertion in model container [2019-11-27 10:02:19,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:19,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:02:19,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:02:21,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:21,790 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:02:22,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:22,381 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:02:22,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22 WrapperNode [2019-11-27 10:02:22,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:22,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:22,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:02:22,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:02:22,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22" (1/1) ... [2019-11-27 10:02:22,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22" (1/1) ... [2019-11-27 10:02:23,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:23,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:02:23,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:02:23,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:02:23,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22" (1/1) ... [2019-11-27 10:02:23,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22" (1/1) ... [2019-11-27 10:02:24,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22" (1/1) ... [2019-11-27 10:02:24,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22" (1/1) ... [2019-11-27 10:02:24,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22" (1/1) ... [2019-11-27 10:02:25,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22" (1/1) ... [2019-11-27 10:02:25,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:22" (1/1) ... [2019-11-27 10:02:25,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:02:25,582 INFO L168 Benchmark]: Toolchain (without parser) took 5791.82 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 731.1 MB in the end (delta: 224.9 MB). Peak memory consumption was 224.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:25,583 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:02:25,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2596.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:25,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 1563.92 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 818.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:25,592 INFO L168 Benchmark]: Boogie Preprocessor took 1620.20 ms. Allocated memory is still 1.0 GB. Free memory was 818.6 MB in the beginning and 731.1 MB in the end (delta: 87.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:25,602 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2596.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1563.92 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 818.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1620.20 ms. Allocated memory is still 1.0 GB. Free memory was 818.6 MB in the beginning and 731.1 MB in the end (delta: 87.5 MB). Peak memory consumption was 87.5 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-da95e15 [2019-11-27 10:02:30,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:02:30,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:02:30,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:02:30,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:02:30,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:02:30,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:02:30,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:02:30,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:02:30,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:02:30,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:02:30,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:02:30,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:02:30,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:02:30,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:02:30,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:02:30,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:02:30,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:02:30,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:02:30,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:02:30,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:02:30,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:02:30,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:02:30,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:02:30,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:02:30,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:02:30,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:02:30,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:02:30,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:02:30,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:02:30,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:02:30,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:02:30,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:02:30,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:02:30,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:02:30,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:02:30,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:02:30,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:02:30,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:02:30,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:02:30,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:02:30,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:02:30,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:02:30,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:02:30,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:02:30,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:02:30,717 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:02:30,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:02:30,718 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:02:30,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:02:30,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:02:30,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:02:30,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:02:30,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:02:30,726 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:02:30,731 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:02:30,731 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:02:30,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:02:30,732 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:02:30,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:02:30,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:02:30,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:02:30,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:02:30,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:02:30,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:02:30,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:02:30,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:02:30,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:02:30,741 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:02:30,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:02:30,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:02:30,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:02:30,746 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 -> 64aa7646f0904a7771c7e1ab7647bb6d53f5a8d4 [2019-11-27 10:02:31,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:02:31,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:02:31,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:02:31,460 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:02:31,461 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:02:31,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-27 10:02:31,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/136e4a032/f75a75cae9d84ee3bc89d5cabbcdf111/FLAG418b322f4 [2019-11-27 10:02:33,256 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:02:33,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-27 10:02:33,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/136e4a032/f75a75cae9d84ee3bc89d5cabbcdf111/FLAG418b322f4 [2019-11-27 10:02:33,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/136e4a032/f75a75cae9d84ee3bc89d5cabbcdf111 [2019-11-27 10:02:33,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:02:33,366 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:02:33,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:33,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:02:33,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:02:33,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:33" (1/1) ... [2019-11-27 10:02:33,400 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 10:02:33, skipping insertion in model container [2019-11-27 10:02:33,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:33" (1/1) ... [2019-11-27 10:02:33,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:02:33,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:02:35,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:35,436 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:02:36,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:36,176 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:02:36,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36 WrapperNode [2019-11-27 10:02:36,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:36,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:36,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:02:36,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:02:36,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36" (1/1) ... [2019-11-27 10:02:36,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36" (1/1) ... [2019-11-27 10:02:37,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:37,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:02:37,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:02:37,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:02:37,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36" (1/1) ... [2019-11-27 10:02:37,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36" (1/1) ... [2019-11-27 10:02:37,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36" (1/1) ... [2019-11-27 10:02:37,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36" (1/1) ... [2019-11-27 10:02:38,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36" (1/1) ... [2019-11-27 10:02:38,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36" (1/1) ... [2019-11-27 10:02:38,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:36" (1/1) ... [2019-11-27 10:02:39,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:02:39,527 INFO L168 Benchmark]: Toolchain (without parser) took 6156.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 916.4 MB in the end (delta: 38.1 MB). Peak memory consumption was 318.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:39,528 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 10:02:39,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2803.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 903.1 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:39,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 1199.68 ms. Allocated memory is still 1.0 GB. Free memory was 903.1 MB in the beginning and 805.2 MB in the end (delta: 97.9 MB). Peak memory consumption was 97.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:39,539 INFO L168 Benchmark]: Boogie Preprocessor took 2137.41 ms. Allocated memory is still 1.0 GB. Free memory was 805.2 MB in the beginning and 916.4 MB in the end (delta: -111.2 MB). Peak memory consumption was 168.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:39,548 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 2803.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 903.1 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1199.68 ms. Allocated memory is still 1.0 GB. Free memory was 903.1 MB in the beginning and 805.2 MB in the end (delta: 97.9 MB). Peak memory consumption was 97.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2137.41 ms. Allocated memory is still 1.0 GB. Free memory was 805.2 MB in the beginning and 916.4 MB in the end (delta: -111.2 MB). Peak memory consumption was 168.6 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...