./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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_ctm.2-1.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 345c19c0e25ce1ab095b140555ca8a5878d0b092 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:27:18,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:27:18,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:27:18,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:27:18,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:27:18,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:27:18,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:27:18,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:27:18,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:27:18,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:27:18,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:27:18,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:27:18,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:27:18,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:27:18,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:27:18,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:27:18,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:27:18,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:27:18,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:27:18,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:27:18,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:27:18,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:27:18,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:27:18,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:27:18,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:27:18,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:27:18,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:27:18,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:27:18,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:27:18,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:27:18,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:27:18,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:27:18,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:27:18,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:27:18,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:27:18,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:27:18,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:27:18,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:27:18,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:27:18,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:27:18,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:27:18,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:27:18,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:27:18,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:27:18,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:27:18,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:27:18,568 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:27:18,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:27:18,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:27:18,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:27:18,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:27:18,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:27:18,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:27:18,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:27:18,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:27:18,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:27:18,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:27:18,575 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:27:18,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:27:18,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:27:18,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:27:18,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:27:18,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:27:18,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:27:18,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:27:18,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:27:18,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:27:18,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:27:18,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:27:18,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:27:18,579 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 -> 345c19c0e25ce1ab095b140555ca8a5878d0b092 [2019-11-16 21:27:19,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:27:19,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:27:19,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:27:19,101 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:27:19,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:27:19,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2019-11-16 21:27:19,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c7f64c9/b4a8bf68f8f14216a76304143d438f3c/FLAG208f9c3fa [2019-11-16 21:27:20,295 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:27:20,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2019-11-16 21:27:20,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c7f64c9/b4a8bf68f8f14216a76304143d438f3c/FLAG208f9c3fa [2019-11-16 21:27:20,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c7f64c9/b4a8bf68f8f14216a76304143d438f3c [2019-11-16 21:27:20,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:27:20,798 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:27:20,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:27:20,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:27:20,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:27:20,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:27:20" (1/1) ... [2019-11-16 21:27:20,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8b300c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:20, skipping insertion in model container [2019-11-16 21:27:20,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:27:20" (1/1) ... [2019-11-16 21:27:20,824 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:27:20,968 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:27:22,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:27:22,353 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:27:22,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:27:22,962 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:27:22,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22 WrapperNode [2019-11-16 21:27:22,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:27:22,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:27:22,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:27:22,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:27:22,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22" (1/1) ... [2019-11-16 21:27:23,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22" (1/1) ... [2019-11-16 21:27:33,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:27:33,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:27:33,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:27:33,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:27:33,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22" (1/1) ... [2019-11-16 21:27:33,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22" (1/1) ... [2019-11-16 21:27:34,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22" (1/1) ... [2019-11-16 21:27:34,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22" (1/1) ... [2019-11-16 21:27:42,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22" (1/1) ... [2019-11-16 21:27:44,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22" (1/1) ... [2019-11-16 21:27:45,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:22" (1/1) ... [2019-11-16 21:27:46,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:27:46,853 INFO L168 Benchmark]: Toolchain (without parser) took 26043.74 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 769.9 MB). Free memory was 956.0 MB in the beginning and 578.4 MB in the end (delta: 377.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 12.5 GB. [2019-11-16 21:27:46,855 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. [2019-11-16 21:27:46,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2160.22 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 881.1 MB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:27:46,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 10408.25 ms. Allocated memory is still 1.0 GB. Free memory was 881.1 MB in the beginning and 277.9 MB in the end (delta: 603.1 MB). Peak memory consumption was 721.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:27:46,873 INFO L168 Benchmark]: Boogie Preprocessor took 13465.71 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 769.8 MB). Free memory was 277.9 MB in the beginning and 578.4 MB in the end (delta: -300.4 MB). Peak memory consumption was 677.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:27:46,880 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 2160.22 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 881.1 MB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 10408.25 ms. Allocated memory is still 1.0 GB. Free memory was 881.1 MB in the beginning and 277.9 MB in the end (delta: 603.1 MB). Peak memory consumption was 721.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 13465.71 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 769.8 MB). Free memory was 277.9 MB in the beginning and 578.4 MB in the end (delta: -300.4 MB). Peak memory consumption was 677.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...