./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label16.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/eca-rers2012/Problem18_label16.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 806176593d35bd6838214f31b8b240266cbb741f --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 22:39:06,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:39:06,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:39:06,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:39:06,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:39:06,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:39:06,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:39:06,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:39:06,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:39:06,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:39:06,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:39:06,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:39:06,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:39:06,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:39:06,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:39:06,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:39:06,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:39:06,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:39:06,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:39:06,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:39:06,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:39:06,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:39:06,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:39:06,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:39:06,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:39:06,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:39:06,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:39:06,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:39:06,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:39:06,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:39:06,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:39:06,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:39:06,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:39:06,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:39:06,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:39:06,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:39:06,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:39:06,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:39:06,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:39:06,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:39:06,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:39:06,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:39:06,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:39:06,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:39:06,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:39:06,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:39:06,374 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:39:06,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:39:06,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:39:06,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:39:06,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:39:06,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:39:06,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:39:06,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:39:06,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:39:06,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:39:06,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:39:06,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:39:06,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:39:06,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:39:06,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:39:06,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:39:06,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:39:06,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:39:06,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:39:06,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:39:06,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:39:06,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:39:06,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:39:06,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:39:06,390 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 -> 806176593d35bd6838214f31b8b240266cbb741f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:39:06,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:39:06,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:39:06,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:39:06,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:39:06,984 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:39:06,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2019-11-20 22:39:07,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67114974/0749d1ffb078401b9a10462a5c3bb3b2/FLAG3ef7768c0 [2019-11-20 22:39:08,725 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:39:08,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2019-11-20 22:39:08,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67114974/0749d1ffb078401b9a10462a5c3bb3b2/FLAG3ef7768c0 [2019-11-20 22:39:09,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67114974/0749d1ffb078401b9a10462a5c3bb3b2 [2019-11-20 22:39:09,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:39:09,301 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:39:09,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:39:09,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:39:09,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:39:09,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:09" (1/1) ... [2019-11-20 22:39:09,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba1abc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:09, skipping insertion in model container [2019-11-20 22:39:09,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:09" (1/1) ... [2019-11-20 22:39:09,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:39:09,604 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:39:11,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:39:11,956 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:39:12,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:39:12,961 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:39:12,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12 WrapperNode [2019-11-20 22:39:12,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:39:12,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:39:12,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:39:12,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:39:12,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12" (1/1) ... [2019-11-20 22:39:13,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12" (1/1) ... [2019-11-20 22:39:13,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:39:13,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:39:13,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:39:13,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:39:13,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12" (1/1) ... [2019-11-20 22:39:13,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12" (1/1) ... [2019-11-20 22:39:13,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12" (1/1) ... [2019-11-20 22:39:13,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12" (1/1) ... [2019-11-20 22:39:13,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12" (1/1) ... [2019-11-20 22:39:13,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12" (1/1) ... [2019-11-20 22:39:13,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:12" (1/1) ... [2019-11-20 22:39:14,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:39:14,092 INFO L168 Benchmark]: Toolchain (without parser) took 4786.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 817.7 MB in the end (delta: 132.5 MB). Peak memory consumption was 132.6 MB. Max. memory is 12.5 GB. [2019-11-20 22:39:14,096 INFO L168 Benchmark]: CDTParser took 0.49 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 22:39:14,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3656.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 892.8 MB in the end (delta: 57.5 MB). Peak memory consumption was 61.8 MB. Max. memory is 12.5 GB. [2019-11-20 22:39:14,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 579.95 ms. Allocated memory is still 1.0 GB. Free memory was 892.8 MB in the beginning and 852.1 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 12.5 GB. [2019-11-20 22:39:14,105 INFO L168 Benchmark]: Boogie Preprocessor took 535.18 ms. Allocated memory is still 1.0 GB. Free memory was 852.1 MB in the beginning and 817.7 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-20 22:39:14,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 3656.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 892.8 MB in the end (delta: 57.5 MB). Peak memory consumption was 61.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 579.95 ms. Allocated memory is still 1.0 GB. Free memory was 892.8 MB in the beginning and 852.1 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 535.18 ms. Allocated memory is still 1.0 GB. Free memory was 852.1 MB in the beginning and 817.7 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...