./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label42.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/Problem17_label42.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 740d37379aea2fad5292fccf2ef7f37563d48343 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:12:15,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:12:15,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:12:15,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:12:15,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:12:15,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:12:15,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:12:15,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:12:15,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:12:15,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:12:15,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:12:15,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:12:15,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:12:15,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:12:15,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:12:15,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:12:15,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:12:15,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:12:15,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:12:15,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:12:15,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:12:15,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:12:15,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:12:15,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:12:15,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:12:15,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:12:15,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:12:15,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:12:15,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:12:15,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:12:15,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:12:15,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:12:15,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:12:15,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:12:15,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:12:15,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:12:15,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:12:15,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:12:15,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:12:15,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:12:15,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:12:15,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:12:15,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:12:15,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:12:15,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:12:15,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:12:15,286 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:12:15,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:12:15,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:12:15,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:12:15,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:12:15,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:12:15,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:12:15,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:12:15,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:12:15,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:12:15,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:12:15,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:12:15,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:12:15,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:12:15,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:12:15,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:12:15,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:12:15,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:12:15,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:12:15,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:12:15,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:12:15,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:12:15,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:12:15,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:12:15,303 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 -> 740d37379aea2fad5292fccf2ef7f37563d48343 [2019-11-16 21:12:15,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:12:15,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:12:15,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:12:15,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:12:15,973 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:12:15,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label42.c [2019-11-16 21:12:16,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50007c0b3/d9c5af148fbe43ae8c7aee16628f26d9/FLAG0d0e6c001 [2019-11-16 21:12:17,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:12:17,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label42.c [2019-11-16 21:12:17,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50007c0b3/d9c5af148fbe43ae8c7aee16628f26d9/FLAG0d0e6c001 [2019-11-16 21:12:17,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50007c0b3/d9c5af148fbe43ae8c7aee16628f26d9 [2019-11-16 21:12:17,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:12:17,849 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:12:17,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:12:17,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:12:17,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:12:17,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:12:17" (1/1) ... [2019-11-16 21:12:17,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e617a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:17, skipping insertion in model container [2019-11-16 21:12:17,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:12:17" (1/1) ... [2019-11-16 21:12:17,893 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:12:18,095 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:12:20,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:12:20,386 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:12:21,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:12:21,370 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:12:21,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21 WrapperNode [2019-11-16 21:12:21,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:12:21,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:12:21,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:12:21,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:12:21,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21" (1/1) ... [2019-11-16 21:12:21,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21" (1/1) ... [2019-11-16 21:12:22,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:12:22,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:12:22,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:12:22,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:12:22,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21" (1/1) ... [2019-11-16 21:12:22,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21" (1/1) ... [2019-11-16 21:12:22,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21" (1/1) ... [2019-11-16 21:12:22,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21" (1/1) ... [2019-11-16 21:12:22,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21" (1/1) ... [2019-11-16 21:12:22,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21" (1/1) ... [2019-11-16 21:12:22,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:12:21" (1/1) ... [2019-11-16 21:12:22,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:12:22,646 INFO L168 Benchmark]: Toolchain (without parser) took 4790.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 781.0 MB in the end (delta: 174.9 MB). Peak memory consumption was 175.0 MB. Max. memory is 12.5 GB. [2019-11-16 21:12:22,646 INFO L168 Benchmark]: CDTParser took 2.14 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 21:12:22,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3523.92 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 873.8 MB in the end (delta: 76.4 MB). Peak memory consumption was 76.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:12:22,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 649.84 ms. Allocated memory is still 1.0 GB. Free memory was 873.8 MB in the beginning and 810.7 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 12.5 GB. [2019-11-16 21:12:22,655 INFO L168 Benchmark]: Boogie Preprocessor took 611.60 ms. Allocated memory is still 1.0 GB. Free memory was 810.7 MB in the beginning and 781.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:12:22,662 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.14 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 3523.92 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 873.8 MB in the end (delta: 76.4 MB). Peak memory consumption was 76.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 649.84 ms. Allocated memory is still 1.0 GB. Free memory was 873.8 MB in the beginning and 810.7 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 611.60 ms. Allocated memory is still 1.0 GB. Free memory was 810.7 MB in the beginning and 781.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...