./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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_aso.2.M4-2.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 112e309cab00c019d41fd971dedeb48ad137f625 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:53:25,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:53:25,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:53:25,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:53:25,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:53:25,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:53:25,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:53:25,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:53:25,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:53:25,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:53:25,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:53:25,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:53:25,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:53:25,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:53:25,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:53:25,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:53:25,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:53:25,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:53:25,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:53:25,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:53:25,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:53:25,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:53:25,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:53:25,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:53:25,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:53:25,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:53:25,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:53:25,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:53:25,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:53:25,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:53:25,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:53:25,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:53:25,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:53:25,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:53:25,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:53:25,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:53:25,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:53:25,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:53:25,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:53:25,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:53:25,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:53:25,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:53:25,560 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:53:25,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:53:25,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:53:25,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:53:25,565 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:53:25,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:53:25,565 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:53:25,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:53:25,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:53:25,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:53:25,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:53:25,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:53:25,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:53:25,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:53:25,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:53:25,574 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:53:25,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:53:25,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:53:25,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:53:25,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:53:25,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:53:25,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:53:25,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:53:25,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:53:25,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:53:25,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:53:25,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:53:25,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:53:25,580 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 -> 112e309cab00c019d41fd971dedeb48ad137f625 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:53:26,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:53:26,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:53:26,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:53:26,188 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:53:26,193 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:53:26,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2019-11-20 22:53:26,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843f97748/47aada68497f4e12b588301ade4b7b02/FLAG7729ecc88 [2019-11-20 22:53:28,207 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:53:28,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2019-11-20 22:53:28,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843f97748/47aada68497f4e12b588301ade4b7b02/FLAG7729ecc88 [2019-11-20 22:53:28,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843f97748/47aada68497f4e12b588301ade4b7b02 [2019-11-20 22:53:28,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:53:28,363 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:53:28,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:53:28,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:53:28,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:53:28,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:28" (1/1) ... [2019-11-20 22:53:28,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130fc80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:28, skipping insertion in model container [2019-11-20 22:53:28,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:28" (1/1) ... [2019-11-20 22:53:28,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:53:28,870 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:53:32,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:53:32,652 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:53:35,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:53:35,438 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:53:35,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35 WrapperNode [2019-11-20 22:53:35,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:53:35,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:53:35,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:53:35,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:53:35,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35" (1/1) ... [2019-11-20 22:53:36,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35" (1/1) ... [2019-11-20 22:53:50,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:53:50,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:53:50,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:53:50,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:53:50,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35" (1/1) ... [2019-11-20 22:53:50,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35" (1/1) ... [2019-11-20 22:53:53,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35" (1/1) ... [2019-11-20 22:53:53,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35" (1/1) ... [2019-11-20 22:54:03,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35" (1/1) ... [2019-11-20 22:54:05,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35" (1/1) ... [2019-11-20 22:54:08,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:35" (1/1) ... [2019-11-20 22:54:10,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:54:10,008 INFO L168 Benchmark]: Toolchain (without parser) took 41641.27 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 598.7 MB). Free memory was 944.5 MB in the beginning and 668.5 MB in the end (delta: 276.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 12.5 GB. [2019-11-20 22:54:10,009 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-11-20 22:54:10,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7073.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 683.6 MB in the end (delta: 260.9 MB). Peak memory consumption was 279.8 MB. Max. memory is 12.5 GB. [2019-11-20 22:54:10,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 14742.67 ms. Allocated memory is still 1.0 GB. Free memory was 683.6 MB in the beginning and 276.4 MB in the end (delta: 407.1 MB). Peak memory consumption was 494.0 MB. Max. memory is 12.5 GB. [2019-11-20 22:54:10,034 INFO L168 Benchmark]: Boogie Preprocessor took 19815.80 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 598.7 MB). Free memory was 276.4 MB in the beginning and 668.5 MB in the end (delta: -392.1 MB). Peak memory consumption was 572.4 MB. Max. memory is 12.5 GB. [2019-11-20 22:54:10,049 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 7073.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 683.6 MB in the end (delta: 260.9 MB). Peak memory consumption was 279.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 14742.67 ms. Allocated memory is still 1.0 GB. Free memory was 683.6 MB in the beginning and 276.4 MB in the end (delta: 407.1 MB). Peak memory consumption was 494.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 19815.80 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 598.7 MB). Free memory was 276.4 MB in the beginning and 668.5 MB in the end (delta: -392.1 MB). Peak memory consumption was 572.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...