./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem06_label27.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/Problem06_label27.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 b7cd3baa0769e88e1b616a17245c21343b2cebaa ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:02:33,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:02:33,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:02:33,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:02:33,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:02:33,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:02:33,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:02:33,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:02:33,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:02:33,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:02:33,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:02:33,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:02:33,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:02:33,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:02:33,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:02:33,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:02:33,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:02:33,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:02:33,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:02:33,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:02:33,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:02:33,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:02:33,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:02:33,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:02:33,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:02:33,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:02:33,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:02:33,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:02:33,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:02:33,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:02:33,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:02:33,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:02:33,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:02:33,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:02:33,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:02:33,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:02:33,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:02:33,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:02:33,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:02:33,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:02:33,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:02:33,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:02:33,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:02:33,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:02:33,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:02:33,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:02:33,377 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:02:33,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:02:33,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:02:33,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:02:33,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:02:33,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:02:33,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:02:33,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:02:33,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:02:33,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:02:33,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:02:33,383 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:02:33,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:02:33,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:02:33,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:02:33,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:02:33,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:02:33,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:02:33,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:02:33,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:02:33,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:02:33,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:02:33,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:02:33,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:02:33,389 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 -> b7cd3baa0769e88e1b616a17245c21343b2cebaa [2019-11-16 21:02:33,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:02:34,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:02:34,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:02:34,041 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:02:34,041 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:02:34,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label27.c [2019-11-16 21:02:34,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56dc894b0/4eaa066673e04d9e882f1e71b22f4526/FLAG7577c52e2 [2019-11-16 21:02:36,233 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:02:36,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label27.c [2019-11-16 21:02:36,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56dc894b0/4eaa066673e04d9e882f1e71b22f4526/FLAG7577c52e2 [2019-11-16 21:02:36,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56dc894b0/4eaa066673e04d9e882f1e71b22f4526 [2019-11-16 21:02:36,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:02:36,420 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:02:36,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:02:36,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:02:36,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:02:36,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:02:36" (1/1) ... [2019-11-16 21:02:36,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271a72e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:36, skipping insertion in model container [2019-11-16 21:02:36,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:02:36" (1/1) ... [2019-11-16 21:02:36,467 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:02:36,944 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:02:41,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:02:41,411 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:02:44,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:02:44,229 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:02:44,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44 WrapperNode [2019-11-16 21:02:44,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:02:44,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:02:44,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:02:44,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:02:44,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:44,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:44,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:02:44,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:02:44,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:02:44,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:02:44,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:44,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:45,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:45,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:45,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:45,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:45,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:45,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:02:45,833 INFO L168 Benchmark]: Toolchain (without parser) took 9407.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 787.8 MB in the end (delta: 145.2 MB). Peak memory consumption was 145.3 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:45,834 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. [2019-11-16 21:02:45,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7808.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 917.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 276.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:45,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 713.03 ms. Allocated memory is still 1.0 GB. Free memory was 917.8 MB in the beginning and 838.9 MB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:45,846 INFO L168 Benchmark]: Boogie Preprocessor took 876.96 ms. Allocated memory is still 1.0 GB. Free memory was 838.9 MB in the beginning and 787.8 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:45,858 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 7808.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 917.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 276.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 713.03 ms. Allocated memory is still 1.0 GB. Free memory was 917.8 MB in the beginning and 838.9 MB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 876.96 ms. Allocated memory is still 1.0 GB. Free memory was 838.9 MB in the beginning and 787.8 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...