java -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/TreeAutomizer.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e7_2336_e8_1940.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 20:07:32,689 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 20:07:32,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 20:07:32,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 20:07:32,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 20:07:32,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 20:07:32,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 20:07:32,713 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 20:07:32,715 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 20:07:32,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 20:07:32,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 20:07:32,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 20:07:32,719 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 20:07:32,722 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... 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[2018-06-18 20:07:32,744 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 20:07:32,745 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 20:07:32,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 20:07:32,749 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 20:07:32,749 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 20:07:32,750 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 20:07:32,751 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 20:07:32,751 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 20:07:32,752 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 20:07:32,753 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 20:07:32,753 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 20:07:32,754 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 20:07:32,759 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 20:07:32,759 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 20:07:32,772 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 20:07:32,772 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 20:07:32,777 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 20:07:32,777 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 20:07:32,777 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 20:07:32,778 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 20:07:32,778 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 20:07:32,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 20:07:32,844 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 20:07:32,850 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 20:07:32,852 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 20:07:32,852 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 20:07:32,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e7_2336_e8_1940.smt2 [2018-06-18 20:07:32,855 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 20:07:32,954 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e7_2336_e8_1940.smt2 unknown [2018-06-18 20:07:33,557 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e7_2336_e8_1940.smt2 [2018-06-18 20:07:33,563 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-18 20:07:33,570 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-18 20:07:33,571 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-18 20:07:33,571 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-18 20:07:33,573 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-18 20:07:33,574 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 08:07:33" (1/1) ... [2018-06-18 20:07:33,721 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:34,681 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:35,654 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:36,408 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:37,436 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:38,866 WARN L168 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 185 DAG size of output: 157 [2018-06-18 20:07:41,426 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:42,476 WARN L168 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 117 [2018-06-18 20:07:43,331 WARN L168 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 120 [2018-06-18 20:07:45,222 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:47,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-18 20:07:48,488 WARN L168 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 306 DAG size of output: 208 [2018-06-18 20:07:49,343 WARN L168 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 135 [2018-06-18 20:07:51,076 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:51,817 WARN L168 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 116 [2018-06-18 20:07:52,326 WARN L168 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 119 [2018-06-18 20:07:54,030 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:56,036 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:57,702 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:59,057 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:07:59,683 WARN L168 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 120 [2018-06-18 20:08:00,955 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:02,385 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:03,829 WARN L168 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 124 [2018-06-18 20:08:05,095 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:06,619 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:08,041 WARN L168 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 256 DAG size of output: 176 [2018-06-18 20:08:09,061 WARN L168 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 146 [2018-06-18 20:08:09,775 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:10,762 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:11,904 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:13,455 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:13,893 WARN L168 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 117 [2018-06-18 20:08:14,863 WARN L168 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 125 [2018-06-18 20:08:15,456 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:16,702 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:17,767 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:18,689 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:19,822 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:20,459 WARN L168 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 120 [2018-06-18 20:08:21,451 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:08:22,586 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-06-18 20:08:23,052 WARN L176 SmtUtils]: Removed 1 from assertion stack [2018-06-18 20:08:23,052 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer. Reason: Timeout or Toolchain cancelled by user [2018-06-18 20:08:23,056 INFO L168 Benchmark]: Toolchain (without parser) took 49492.37 ms. Allocated memory was 307.2 MB in the beginning and 1.3 GB in the end (delta: 956.8 MB). Free memory was 243.7 MB in the beginning and 875.7 MB in the end (delta: -631.9 MB). Peak memory consumption was 324.9 MB. Max. memory is 3.6 GB. [2018-06-18 20:08:23,057 INFO L168 Benchmark]: SmtParser took 0.22 ms. Allocated memory is still 307.2 MB. Free memory is still 273.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 20:08:23,066 INFO L168 Benchmark]: TreeAutomizer took 49483.81 ms. Allocated memory was 307.2 MB in the beginning and 1.3 GB in the end (delta: 956.8 MB). Free memory was 243.7 MB in the beginning and 875.7 MB in the end (delta: -631.9 MB). Peak memory consumption was 324.9 MB. Max. memory is 3.6 GB. [2018-06-18 20:08:23,068 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.22 ms. Allocated memory is still 307.2 MB. Free memory is still 273.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 49483.81 ms. Allocated memory was 307.2 MB in the beginning and 1.3 GB in the end (delta: 956.8 MB). Free memory was 243.7 MB in the beginning and 875.7 MB in the end (delta: -631.9 MB). Peak memory consumption was 324.9 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 1. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_13_e7_2336_e8_1940.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-18_20-08-23-087.csv Completed graceful shutdown