./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.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/rekh_nxt.1.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 53e071511f6f1e48b17be30e2bccf96306c46fba ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/rekh_nxt.1.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 53e071511f6f1e48b17be30e2bccf96306c46fba ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:08:12,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:08:12,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:08:12,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:08:12,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:08:12,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:08:12,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:08:12,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:08:12,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:08:12,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:08:12,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:08:12,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:08:12,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:08:12,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:08:12,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:08:12,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:08:12,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:08:12,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:08:12,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:08:12,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:08:12,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:08:12,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:08:12,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:08:12,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:08:12,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:08:12,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:08:12,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:08:12,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:08:12,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:08:12,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:08:12,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:08:12,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:08:12,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:08:12,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:08:12,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:08:12,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:08:12,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:08:12,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:08:12,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:08:12,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:08:12,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:08:12,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:08:12,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:08:12,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:08:12,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:08:12,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:08:12,395 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:08:12,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:08:12,396 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:08:12,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:08:12,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:08:12,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:08:12,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:08:12,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:08:12,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:08:12,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:08:12,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:08:12,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:08:12,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:08:12,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:08:12,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:08:12,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:08:12,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:08:12,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:08:12,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:08:12,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:08:12,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:08:12,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:08:12,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:08:12,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:08:12,410 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 -> 53e071511f6f1e48b17be30e2bccf96306c46fba [2019-11-25 23:08:13,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:08:13,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:08:13,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:08:13,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:08:13,159 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:08:13,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-25 23:08:13,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/424166a1e/cd69396619d44ac1890e44527788ad6e/FLAGbc2c438ed [2019-11-25 23:08:14,828 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:08:14,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-25 23:08:14,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/424166a1e/cd69396619d44ac1890e44527788ad6e/FLAGbc2c438ed [2019-11-25 23:08:14,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/424166a1e/cd69396619d44ac1890e44527788ad6e [2019-11-25 23:08:14,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:08:14,928 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:08:14,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:08:14,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:08:14,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:08:14,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:08:14" (1/1) ... [2019-11-25 23:08:14,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54771fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:14, skipping insertion in model container [2019-11-25 23:08:14,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:08:14" (1/1) ... [2019-11-25 23:08:14,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:08:15,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:08:16,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:08:16,847 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:08:17,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:08:17,413 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:08:17,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17 WrapperNode [2019-11-25 23:08:17,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:08:17,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:08:17,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:08:17,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:08:17,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:17,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:20,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:08:20,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:08:20,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:08:20,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:08:20,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:20,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:21,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:21,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:23,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:23,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:23,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:25,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:08:25,447 INFO L168 Benchmark]: Toolchain (without parser) took 10514.15 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 787.7 MB in the end (delta: 168.2 MB). Peak memory consumption was 443.6 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:25,450 INFO L168 Benchmark]: CDTParser took 0.44 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 23:08:25,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2469.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.6 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:25,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 3229.83 ms. Allocated memory is still 1.0 GB. Free memory was 927.6 MB in the beginning and 850.7 MB in the end (delta: 76.9 MB). Peak memory consumption was 316.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:25,460 INFO L168 Benchmark]: Boogie Preprocessor took 4792.98 ms. Allocated memory is still 1.0 GB. Free memory was 850.7 MB in the beginning and 787.7 MB in the end (delta: 63.0 MB). Peak memory consumption was 338.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:25,471 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 2469.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.6 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3229.83 ms. Allocated memory is still 1.0 GB. Free memory was 927.6 MB in the beginning and 850.7 MB in the end (delta: 76.9 MB). Peak memory consumption was 316.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 4792.98 ms. Allocated memory is still 1.0 GB. Free memory was 850.7 MB in the beginning and 787.7 MB in the end (delta: 63.0 MB). Peak memory consumption was 338.2 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 23:08:29,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:08:29,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:08:29,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:08:29,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:08:29,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:08:29,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:08:29,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:08:29,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:08:29,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:08:29,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:08:29,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:08:29,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:08:30,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:08:30,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:08:30,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:08:30,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:08:30,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:08:30,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:08:30,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:08:30,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:08:30,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:08:30,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:08:30,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:08:30,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:08:30,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:08:30,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:08:30,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:08:30,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:08:30,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:08:30,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:08:30,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:08:30,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:08:30,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:08:30,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:08:30,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:08:30,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:08:30,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:08:30,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:08:30,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:08:30,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:08:30,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:08:30,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:08:30,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:08:30,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:08:30,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:08:30,186 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:08:30,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:08:30,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:08:30,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:08:30,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:08:30,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:08:30,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:08:30,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:08:30,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:08:30,196 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:08:30,196 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:08:30,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:08:30,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:08:30,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:08:30,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:08:30,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:08:30,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:08:30,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:08:30,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:08:30,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:08:30,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:08:30,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:08:30,203 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:08:30,203 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:08:30,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:08:30,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:08:30,206 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 -> 53e071511f6f1e48b17be30e2bccf96306c46fba [2019-11-25 23:08:30,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:08:30,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:08:30,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:08:30,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:08:30,898 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:08:30,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-25 23:08:31,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f84c96d2/8dd0d5d0d2144dd78fb675028f0cec6f/FLAG8c9fa298b [2019-11-25 23:08:32,736 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:08:32,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-25 23:08:32,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f84c96d2/8dd0d5d0d2144dd78fb675028f0cec6f/FLAG8c9fa298b [2019-11-25 23:08:32,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f84c96d2/8dd0d5d0d2144dd78fb675028f0cec6f [2019-11-25 23:08:32,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:08:32,850 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:08:32,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:08:32,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:08:32,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:08:32,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:08:32" (1/1) ... [2019-11-25 23:08:32,879 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 11:08:32, skipping insertion in model container [2019-11-25 23:08:32,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:08:32" (1/1) ... [2019-11-25 23:08:32,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:08:33,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:08:34,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:08:34,940 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:08:35,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:08:35,746 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:08:35,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35 WrapperNode [2019-11-25 23:08:35,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:08:35,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:08:35,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:08:35,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:08:35,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35" (1/1) ... [2019-11-25 23:08:35,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35" (1/1) ... [2019-11-25 23:08:39,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:08:39,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:08:39,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:08:39,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:08:39,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35" (1/1) ... [2019-11-25 23:08:39,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35" (1/1) ... [2019-11-25 23:08:39,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35" (1/1) ... [2019-11-25 23:08:39,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35" (1/1) ... [2019-11-25 23:08:41,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35" (1/1) ... [2019-11-25 23:08:43,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35" (1/1) ... [2019-11-25 23:08:43,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:35" (1/1) ... [2019-11-25 23:08:43,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:08:43,901 INFO L168 Benchmark]: Toolchain (without parser) took 11047.91 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 771.9 MB in the end (delta: 184.1 MB). Peak memory consumption was 423.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:43,904 INFO L168 Benchmark]: CDTParser took 0.42 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 23:08:43,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2894.74 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 904.6 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:43,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 3353.46 ms. Allocated memory is still 1.0 GB. Free memory was 904.6 MB in the beginning and 849.7 MB in the end (delta: 54.9 MB). Peak memory consumption was 283.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:43,914 INFO L168 Benchmark]: Boogie Preprocessor took 4789.33 ms. Allocated memory is still 1.0 GB. Free memory was 849.7 MB in the beginning and 771.9 MB in the end (delta: 77.8 MB). Peak memory consumption was 316.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:43,924 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 2894.74 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 904.6 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3353.46 ms. Allocated memory is still 1.0 GB. Free memory was 904.6 MB in the beginning and 849.7 MB in the end (delta: 54.9 MB). Peak memory consumption was 283.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 4789.33 ms. Allocated memory is still 1.0 GB. Free memory was 849.7 MB in the beginning and 771.9 MB in the end (delta: 77.8 MB). Peak memory consumption was 316.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...