./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem05_label04.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/eca-rers2012/Problem05_label04.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 f22efe9dabc4046a4292e60229724bdb66fbd56e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:01:48,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:01:48,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:01:48,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:01:48,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:01:48,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:01:48,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:01:48,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:01:48,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:01:48,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:01:48,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:01:48,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:01:48,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:01:48,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:01:48,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:01:48,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:01:48,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:01:48,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:01:48,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:01:48,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:01:48,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:01:48,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:01:48,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:01:48,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:01:48,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:01:48,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:01:48,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:01:48,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:01:48,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:01:48,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:01:48,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:01:48,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:01:48,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:01:48,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:01:48,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:01:48,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:01:48,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:01:48,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:01:48,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:01:48,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:01:48,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:01:48,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:01:48,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:01:48,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:01:48,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:01:48,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:01:48,314 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:01:48,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:01:48,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:01:48,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:01:48,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:01:48,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:01:48,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:01:48,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:01:48,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:01:48,323 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:01:48,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:01:48,325 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:01:48,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:01:48,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:01:48,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:01:48,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:01:48,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:01:48,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:01:48,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:01:48,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:01:48,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:01:48,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:01:48,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:01:48,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:01:48,337 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 -> f22efe9dabc4046a4292e60229724bdb66fbd56e [2019-11-16 21:01:48,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:01:48,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:01:48,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:01:49,003 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:01:49,004 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:01:49,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem05_label04.c [2019-11-16 21:01:49,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b92cde88/501244424b86417b9864c4613f7c58b7/FLAG248e4ffb3 [2019-11-16 21:01:51,218 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:01:51,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label04.c [2019-11-16 21:01:51,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b92cde88/501244424b86417b9864c4613f7c58b7/FLAG248e4ffb3 [2019-11-16 21:01:51,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b92cde88/501244424b86417b9864c4613f7c58b7 [2019-11-16 21:01:51,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:01:51,387 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:01:51,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:01:51,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:01:51,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:01:51,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:01:51" (1/1) ... [2019-11-16 21:01:51,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476acc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:51, skipping insertion in model container [2019-11-16 21:01:51,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:01:51" (1/1) ... [2019-11-16 21:01:51,436 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:01:51,959 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:01:56,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:01:56,496 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:01:59,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:01:59,227 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:01:59,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59 WrapperNode [2019-11-16 21:01:59,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:01:59,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:01:59,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:01:59,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:01:59,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59" (1/1) ... [2019-11-16 21:01:59,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59" (1/1) ... [2019-11-16 21:01:59,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:01:59,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:01:59,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:01:59,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:02:00,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59" (1/1) ... [2019-11-16 21:02:00,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59" (1/1) ... [2019-11-16 21:02:00,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59" (1/1) ... [2019-11-16 21:02:00,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59" (1/1) ... [2019-11-16 21:02:00,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59" (1/1) ... [2019-11-16 21:02:00,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59" (1/1) ... [2019-11-16 21:02:00,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:59" (1/1) ... [2019-11-16 21:02:00,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:02:00,989 INFO L168 Benchmark]: Toolchain (without parser) took 9590.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 744.6 MB in the end (delta: 188.3 MB). Peak memory consumption was 188.4 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:00,994 INFO L168 Benchmark]: CDTParser took 2.48 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 21:02:00,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7835.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 884.1 MB in the end (delta: 48.8 MB). Peak memory consumption was 273.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:00,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 752.93 ms. Allocated memory is still 1.0 GB. Free memory was 884.1 MB in the beginning and 806.0 MB in the end (delta: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:01,001 INFO L168 Benchmark]: Boogie Preprocessor took 987.72 ms. Allocated memory is still 1.0 GB. Free memory was 806.0 MB in the beginning and 744.6 MB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:01,014 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48 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 7835.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 884.1 MB in the end (delta: 48.8 MB). Peak memory consumption was 273.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 752.93 ms. Allocated memory is still 1.0 GB. Free memory was 884.1 MB in the beginning and 806.0 MB in the end (delta: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 987.72 ms. Allocated memory is still 1.0 GB. Free memory was 806.0 MB in the beginning and 744.6 MB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...