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/llreve-bench/smt2/quant/libc__memchr_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1792c6b [2018-06-15 02:30:03,719 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-15 02:30:03,721 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-15 02:30:03,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-06-15 02:30:03,787 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-15 02:30:03,807 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-15 02:30:03,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-15 02:30:03,813 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-15 02:30:03,814 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-15 02:30:03,814 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-15 02:30:03,815 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-15 02:30:03,815 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-15 02:30:03,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-15 02:30:03,903 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-15 02:30:03,910 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-15 02:30:03,912 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-15 02:30:03,913 INFO L276 PluginConnector]: SmtParser initialized [2018-06-15 02:30:03,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__memchr_1.smt2 [2018-06-15 02:30:03,915 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-15 02:30:04,018 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__memchr_1.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@77e35559 [2018-06-15 02:30:04,321 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__memchr_1.smt2 [2018-06-15 02:30:04,336 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-15 02:30:04,341 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-15 02:30:04,342 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-15 02:30:04,342 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-15 02:30:04,348 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-15 02:30:04,350 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 15.06 02:30:04" (1/1) ... [2018-06-15 02:30:04,439 INFO L194 TreeAutomizerCEGAR]: The program is unsafe, feasible counterexample. [2018-06-15 02:30:04,439 INFO L195 TreeAutomizerCEGAR]: (true) ^^ ((and (not (= 0 hbv_False_3_Int)) (= (select hbv_False_5_Array_Int_Int hbv_False_6_Int) hbv_False_1_Int) (= hbv_False_6_Int hbv_False_7_Int) (let ((.cse0 (skolem0 hbv_False_6_Int hbv_False_2_Int hbv_False_1_Int hbv_False_7_Int hbv_False_3_Int hbv_False_4_Int hbv_False_5_Array_Int_Int hbv_False_8_Array_Int_Int))) (= (select hbv_False_5_Array_Int_Int .cse0) (select hbv_False_8_Array_Int_Int .cse0))) (not (= (select hbv_False_8_Array_Int_Int hbv_False_7_Int) hbv_False_2_Int)) (= hbv_False_3_Int hbv_False_4_Int) (= hbv_False_1_Int hbv_False_2_Int) (not (= 0 hbv_False_4_Int)))) ~~> (false) [2018-06-15 02:30:04,444 INFO L205 PluginConnector]: Invalid model from TreeAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver@3949918e and model type null, skipping insertion in model container [2018-06-15 02:30:04,444 INFO L132 PluginConnector]: ------------------------ END TreeAutomizer---------------------------- [2018-06-15 02:30:04,447 INFO L168 Benchmark]: Toolchain (without parser) took 110.03 ms. Allocated memory is still 308.3 MB. Free memory was 264.6 MB in the beginning and 261.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-15 02:30:04,448 INFO L168 Benchmark]: SmtParser took 0.20 ms. Allocated memory is still 308.3 MB. Free memory is still 275.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-15 02:30:04,449 INFO L168 Benchmark]: TreeAutomizer took 102.37 ms. Allocated memory is still 308.3 MB. Free memory was 264.6 MB in the beginning and 261.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-15 02:30:04,453 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.20 ms. Allocated memory is still 308.3 MB. Free memory is still 275.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 102.37 ms. Allocated memory is still 308.3 MB. Free memory was 264.6 MB in the beginning and 261.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - TreeAutomizerUnsatResult: UNSAT The given horn clause set is UNSAT RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__memchr_1.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-15_02-30-04-464.csv Received shutdown request...