./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.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/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 --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 22:53:49,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:53:49,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:53:49,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:53:49,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:53:49,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:53:49,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:53:49,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:53:49,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:53:49,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:53:49,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:53:49,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:53:49,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:53:49,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:53:49,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:53:49,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:53:49,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:53:49,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:53:49,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:53:49,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:53:49,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:53:49,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:53:49,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:53:49,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:53:49,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:53:49,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:53:49,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:53:49,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:53:49,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:53:49,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:53:49,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:53:49,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:53:49,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:53:49,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:53:49,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:53:49,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:53:49,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:53:49,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:53:49,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:53:49,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:53:49,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:53:49,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:53:49,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:53:49,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:53:49,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:53:49,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:53:49,360 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:53:49,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:53:49,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:53:49,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:53:49,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:53:49,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:53:49,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:53:49,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:53:49,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:53:49,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:53:49,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:53:49,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:53:49,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:53:49,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:53:49,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:53:49,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:53:49,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:53:49,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:53:49,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:53:49,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:53:49,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:53:49,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:53:49,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:53:49,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:53:49,370 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:53:49,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:53:49,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:53:49,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:53:49,786 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:53:49,788 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:53:49,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2019-11-20 22:53:49,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a46493bf/b3e37d74d22b47f3a1b3c03f7fa9547f/FLAGe839a7c27 [2019-11-20 22:53:50,939 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:53:50,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2019-11-20 22:53:50,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a46493bf/b3e37d74d22b47f3a1b3c03f7fa9547f/FLAGe839a7c27 [2019-11-20 22:53:51,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a46493bf/b3e37d74d22b47f3a1b3c03f7fa9547f [2019-11-20 22:53:51,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:53:51,440 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:53:51,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:53:51,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:53:51,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:53:51,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:51" (1/1) ... [2019-11-20 22:53:51,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b853642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:51, skipping insertion in model container [2019-11-20 22:53:51,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:51" (1/1) ... [2019-11-20 22:53:51,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:53:51,631 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:53:52,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:53:53,024 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:53:53,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:53:53,599 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:53:53,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53 WrapperNode [2019-11-20 22:53:53,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:53:53,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:53:53,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:53:53,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:53:53,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53" (1/1) ... [2019-11-20 22:53:53,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53" (1/1) ... [2019-11-20 22:54:05,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:54:05,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:54:05,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:54:05,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:54:05,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53" (1/1) ... [2019-11-20 22:54:05,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53" (1/1) ... [2019-11-20 22:54:07,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53" (1/1) ... [2019-11-20 22:54:07,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53" (1/1) ... [2019-11-20 22:54:13,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53" (1/1) ... [2019-11-20 22:54:15,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53" (1/1) ... [2019-11-20 22:54:17,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:53" (1/1) ... [2019-11-20 22:54:18,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:54:18,464 INFO L168 Benchmark]: Toolchain (without parser) took 27016.45 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 750.5 MB). Free memory was 953.1 MB in the beginning and 556.7 MB in the end (delta: 396.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 12.5 GB. [2019-11-20 22:54:18,475 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-20 22:54:18,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2151.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 881.0 MB in the end (delta: 72.0 MB). Peak memory consumption was 72.1 MB. Max. memory is 12.5 GB. [2019-11-20 22:54:18,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 11911.71 ms. Allocated memory is still 1.0 GB. Free memory was 881.0 MB in the beginning and 255.8 MB in the end (delta: 625.2 MB). Peak memory consumption was 717.2 MB. Max. memory is 12.5 GB. [2019-11-20 22:54:18,484 INFO L168 Benchmark]: Boogie Preprocessor took 12938.90 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 750.4 MB). Free memory was 255.8 MB in the beginning and 556.7 MB in the end (delta: -300.8 MB). Peak memory consumption was 636.3 MB. Max. memory is 12.5 GB. [2019-11-20 22:54:18,492 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 2151.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 881.0 MB in the end (delta: 72.0 MB). Peak memory consumption was 72.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 11911.71 ms. Allocated memory is still 1.0 GB. Free memory was 881.0 MB in the beginning and 255.8 MB in the end (delta: 625.2 MB). Peak memory consumption was 717.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 12938.90 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 750.4 MB). Free memory was 255.8 MB in the beginning and 556.7 MB in the end (delta: -300.8 MB). Peak memory consumption was 636.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...