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__strcspn_2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1792c6b [2018-06-15 02:30:13,857 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-15 02:30:13,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-15 02:30:13,877 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-06-15 02:30:13,915 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-15 02:30:13,927 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-15 02:30:13,928 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-15 02:30:13,935 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-15 02:30:13,936 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-15 02:30:13,936 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-15 02:30:13,937 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-15 02:30:13,937 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-15 02:30:13,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-15 02:30:14,016 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-15 02:30:14,022 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-15 02:30:14,024 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-15 02:30:14,024 INFO L276 PluginConnector]: SmtParser initialized [2018-06-15 02:30:14,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_2.smt2 [2018-06-15 02:30:14,027 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-15 02:30:14,127 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_2.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@5ec47ba3 [2018-06-15 02:30:14,439 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_2.smt2 [2018-06-15 02:30:14,444 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-15 02:30:14,450 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-15 02:30:14,451 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-15 02:30:14,451 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-15 02:30:14,453 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-15 02:30:14,455 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 15.06 02:30:14" (1/1) ... [2018-06-15 02:30:14,537 INFO L194 TreeAutomizerCEGAR]: The program is unsafe, feasible counterexample. [2018-06-15 02:30:14,538 INFO L195 TreeAutomizerCEGAR]: (and INV_MAIN_1([hbv_False_6_Int, hbv_False_8_Int, hbv_False_4_Int, (skolem47 hbv_False_4_Int hbv_False_6_Int hbv_False_7_Int hbv_False_2_Int hbv_False_5_Int hbv_False_8_Int hbv_False_3_Array_Int_Int hbv_False_9_Int hbv_False_1_Array_Int_Int), (select hbv_False_3_Array_Int_Int (skolem47 hbv_False_4_Int hbv_False_6_Int hbv_False_7_Int hbv_False_2_Int hbv_False_5_Int hbv_False_8_Int hbv_False_3_Array_Int_Int hbv_False_9_Int hbv_False_1_Array_Int_Int)), hbv_False_7_Int, hbv_False_9_Int, hbv_False_2_Int, (skolem48 hbv_False_4_Int hbv_False_6_Int hbv_False_7_Int hbv_False_2_Int hbv_False_5_Int hbv_False_8_Int hbv_False_3_Array_Int_Int hbv_False_9_Int hbv_False_1_Array_Int_Int), (select hbv_False_1_Array_Int_Int (skolem48 hbv_False_4_Int hbv_False_6_Int hbv_False_7_Int hbv_False_2_Int hbv_False_5_Int hbv_False_8_Int hbv_False_3_Array_Int_Int hbv_False_9_Int hbv_False_1_Array_Int_Int))])) ^^ ((and (not (distinct (select hbv_False_3_Array_Int_Int hbv_False_4_Int) 0)) (not (and (= hbv_False_6_Int hbv_False_7_Int) (= (select hbv_False_3_Array_Int_Int hbv_False_5_Int) (select hbv_False_1_Array_Int_Int hbv_False_5_Int)))) (not (distinct (select hbv_False_1_Array_Int_Int hbv_False_2_Int) 0)))) ~~> (false)[(true) ^^ ((and (let ((.cse0 (skolem0 hhv_INV_MAIN_1_2_Int hhv_INV_MAIN_1_7_Int hhv_INV_MAIN_1_1_Int hbv_INV_MAIN_1_1_Array_Int_Int hhv_INV_MAIN_1_6_Int hbv_INV_MAIN_1_2_Array_Int_Int))) (= (select hbv_INV_MAIN_1_1_Array_Int_Int .cse0) (select hbv_INV_MAIN_1_2_Array_Int_Int .cse0))) (= hhv_INV_MAIN_1_2_Int hhv_INV_MAIN_1_7_Int) (= hhv_INV_MAIN_1_1_Int hhv_INV_MAIN_1_6_Int) (= hhv_INV_MAIN_1_0_Int 0) (> hhv_INV_MAIN_1_1_Int 0) (= hhv_INV_MAIN_1_5_Int 0) (= hhv_INV_MAIN_1_9_Int (select hbv_INV_MAIN_1_2_Array_Int_Int hhv_INV_MAIN_1_8_Int)) (= hhv_INV_MAIN_1_4_Int (select hbv_INV_MAIN_1_1_Array_Int_Int hhv_INV_MAIN_1_3_Int)))) ~~> (INV_MAIN_1)] [2018-06-15 02:30:14,546 INFO L205 PluginConnector]: Invalid model from TreeAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver@fa08206 and model type null, skipping insertion in model container [2018-06-15 02:30:14,546 INFO L132 PluginConnector]: ------------------------ END TreeAutomizer---------------------------- [2018-06-15 02:30:14,548 INFO L168 Benchmark]: Toolchain (without parser) took 102.69 ms. Allocated memory is still 297.8 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-15 02:30:14,550 INFO L168 Benchmark]: SmtParser took 0.21 ms. Allocated memory is still 297.8 MB. Free memory is still 264.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-15 02:30:14,550 INFO L168 Benchmark]: TreeAutomizer took 95.78 ms. Allocated memory is still 297.8 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-15 02:30:14,553 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.21 ms. Allocated memory is still 297.8 MB. Free memory is still 264.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 95.78 ms. Allocated memory is still 297.8 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 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__strcspn_2.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-15_02-30-14-567.csv Received shutdown request...