./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.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 2b7d4fe8b06c4e54769f9de72e15f9b21f2d4231 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.1.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 2b7d4fe8b06c4e54769f9de72e15f9b21f2d4231 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:07:15,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:07:15,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:07:15,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:07:15,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:07:15,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:07:15,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:07:15,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:07:15,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:07:15,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:07:15,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:07:15,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:07:15,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:07:15,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:07:15,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:07:15,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:07:15,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:07:15,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:07:15,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:07:15,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:07:15,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:07:15,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:07:15,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:07:15,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:07:15,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:07:15,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:07:15,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:07:15,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:07:15,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:07:15,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:07:15,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:07:15,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:07:15,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:07:15,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:07:15,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:07:15,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:07:15,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:07:15,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:07:15,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:07:15,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:07:15,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:07:15,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:07:15,538 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:07:15,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:07:15,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:07:15,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:07:15,548 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:07:15,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:07:15,549 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:07:15,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:07:15,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:07:15,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:07:15,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:07:15,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:07:15,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:07:15,555 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:07:15,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:07:15,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:07:15,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:07:15,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:07:15,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:07:15,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:07:15,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:07:15,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:07:15,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:07:15,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:07:15,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:07:15,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:07:15,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:07:15,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:07:15,566 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 -> 2b7d4fe8b06c4e54769f9de72e15f9b21f2d4231 [2019-11-25 23:07:16,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:07:16,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:07:16,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:07:16,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:07:16,305 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:07:16,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-25 23:07:16,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd30bc57/0cad4ef2a8d94b5a86fe9b917b0b8119/FLAG8a18eeaa9 [2019-11-25 23:07:18,014 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:07:18,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-25 23:07:18,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd30bc57/0cad4ef2a8d94b5a86fe9b917b0b8119/FLAG8a18eeaa9 [2019-11-25 23:07:18,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd30bc57/0cad4ef2a8d94b5a86fe9b917b0b8119 [2019-11-25 23:07:18,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:07:18,124 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:07:18,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:07:18,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:07:18,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:07:18,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:07:18" (1/1) ... [2019-11-25 23:07:18,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a851b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:18, skipping insertion in model container [2019-11-25 23:07:18,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:07:18" (1/1) ... [2019-11-25 23:07:18,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:07:18,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:07:20,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:07:20,101 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:07:20,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:07:20,733 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:07:20,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20 WrapperNode [2019-11-25 23:07:20,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:07:20,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:07:20,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:07:20,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:07:20,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20" (1/1) ... [2019-11-25 23:07:20,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20" (1/1) ... [2019-11-25 23:07:21,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:07:22,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:07:22,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:07:22,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:07:22,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20" (1/1) ... [2019-11-25 23:07:22,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20" (1/1) ... [2019-11-25 23:07:22,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20" (1/1) ... [2019-11-25 23:07:22,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20" (1/1) ... [2019-11-25 23:07:22,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20" (1/1) ... [2019-11-25 23:07:23,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20" (1/1) ... [2019-11-25 23:07:23,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:20" (1/1) ... [2019-11-25 23:07:23,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:07:23,399 INFO L168 Benchmark]: Toolchain (without parser) took 5270.20 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 778.7 MB in the end (delta: 183.0 MB). Peak memory consumption was 183.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:23,400 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. [2019-11-25 23:07:23,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2605.36 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 939.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 21.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:23,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 1261.11 ms. Allocated memory is still 1.0 GB. Free memory was 939.1 MB in the beginning and 853.2 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:23,413 INFO L168 Benchmark]: Boogie Preprocessor took 1386.54 ms. Allocated memory is still 1.0 GB. Free memory was 853.2 MB in the beginning and 778.7 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:23,424 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 2605.36 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 939.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 21.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1261.11 ms. Allocated memory is still 1.0 GB. Free memory was 939.1 MB in the beginning and 853.2 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1386.54 ms. Allocated memory is still 1.0 GB. Free memory was 853.2 MB in the beginning and 778.7 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 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 0.1.24-65d6cd2 [2019-11-25 23:07:27,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:07:27,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:07:27,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:07:27,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:07:27,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:07:27,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:07:27,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:07:27,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:07:27,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:07:27,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:07:27,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:07:27,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:07:27,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:07:27,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:07:27,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:07:27,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:07:27,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:07:27,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:07:27,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:07:27,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:07:27,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:07:27,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:07:27,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:07:27,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:07:27,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:07:27,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:07:27,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:07:27,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:07:27,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:07:27,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:07:27,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:07:27,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:07:27,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:07:27,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:07:27,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:07:27,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:07:27,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:07:27,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:07:27,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:07:27,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:07:27,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:07:28,013 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:07:28,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:07:28,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:07:28,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:07:28,022 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:07:28,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:07:28,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:07:28,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:07:28,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:07:28,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:07:28,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:07:28,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:07:28,033 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:07:28,034 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:07:28,034 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:07:28,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:07:28,035 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:07:28,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:07:28,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:07:28,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:07:28,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:07:28,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:07:28,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:07:28,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:07:28,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:07:28,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:07:28,041 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:07:28,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:07:28,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:07:28,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:07:28,044 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 -> 2b7d4fe8b06c4e54769f9de72e15f9b21f2d4231 [2019-11-25 23:07:28,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:07:28,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:07:28,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:07:28,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:07:28,844 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:07:28,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-25 23:07:29,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f85d87c8/43444c1af62c460d918f80b70e3c711c/FLAG0dba5cac1 [2019-11-25 23:07:30,539 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:07:30,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-25 23:07:30,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f85d87c8/43444c1af62c460d918f80b70e3c711c/FLAG0dba5cac1 [2019-11-25 23:07:30,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f85d87c8/43444c1af62c460d918f80b70e3c711c [2019-11-25 23:07:30,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:07:30,649 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:07:30,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:07:30,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:07:30,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:07:30,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:07:30" (1/1) ... [2019-11-25 23:07:30,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab6e674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:30, skipping insertion in model container [2019-11-25 23:07:30,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:07:30" (1/1) ... [2019-11-25 23:07:30,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:07:30,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:07:32,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:07:32,637 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:07:33,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:07:33,378 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:07:33,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33 WrapperNode [2019-11-25 23:07:33,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:07:33,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:07:33,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:07:33,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:07:33,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33" (1/1) ... [2019-11-25 23:07:33,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33" (1/1) ... [2019-11-25 23:07:34,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:07:34,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:07:34,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:07:34,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:07:34,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33" (1/1) ... [2019-11-25 23:07:34,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33" (1/1) ... [2019-11-25 23:07:34,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33" (1/1) ... [2019-11-25 23:07:34,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33" (1/1) ... [2019-11-25 23:07:35,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33" (1/1) ... [2019-11-25 23:07:35,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33" (1/1) ... [2019-11-25 23:07:35,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:33" (1/1) ... [2019-11-25 23:07:35,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:07:35,719 INFO L168 Benchmark]: Toolchain (without parser) took 5060.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 760.9 MB in the end (delta: 206.5 MB). Peak memory consumption was 206.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:35,721 INFO L168 Benchmark]: CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:07:35,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2727.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 921.9 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:35,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 1122.03 ms. Allocated memory is still 1.0 GB. Free memory was 921.9 MB in the beginning and 836.0 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:35,730 INFO L168 Benchmark]: Boogie Preprocessor took 1203.98 ms. Allocated memory is still 1.0 GB. Free memory was 836.0 MB in the beginning and 760.9 MB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:35,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2727.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 921.9 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1122.03 ms. Allocated memory is still 1.0 GB. Free memory was 921.9 MB in the beginning and 836.0 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1203.98 ms. Allocated memory is still 1.0 GB. Free memory was 836.0 MB in the beginning and 760.9 MB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...