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.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1792c6b [2018-06-15 02:30:16,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-15 02:30:16,890 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-15 02:30:16,905 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-06-15 02:30:16,918 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-15 02:30:16,920 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-15 02:30:16,922 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-15 02:30:16,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-15 02:30:16,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-15 02:30:16,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-15 02:30:16,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-15 02:30:16,938 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-15 02:30:16,942 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-15 02:30:16,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-15 02:30:16,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-15 02:30:16,951 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-15 02:30:16,952 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-15 02:30:16,952 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-15 02:30:16,953 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-15 02:30:16,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-15 02:30:16,959 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-15 02:30:16,959 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-15 02:30:16,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-15 02:30:16,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-15 02:30:16,977 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-15 02:30:16,978 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-15 02:30:16,978 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-15 02:30:16,979 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-15 02:30:16,979 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-15 02:30:17,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-15 02:30:17,058 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-15 02:30:17,063 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-15 02:30:17,065 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-15 02:30:17,066 INFO L276 PluginConnector]: SmtParser initialized [2018-06-15 02:30:17,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn.smt2 [2018-06-15 02:30:17,067 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-15 02:30:17,167 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@4d7f4b36 [2018-06-15 02:30:17,541 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn.smt2 [2018-06-15 02:30:17,546 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-15 02:30:17,552 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-15 02:30:17,553 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-15 02:30:17,553 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-15 02:30:17,556 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-15 02:30:17,557 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 15.06 02:30:17" (1/1) ... [2018-06-15 02:30:17,636 INFO L194 TreeAutomizerCEGAR]: The program is unsafe, feasible counterexample. [2018-06-15 02:30:17,637 INFO L195 TreeAutomizerCEGAR]: (and INV_MAIN_0([hbv_False_3_Int, hbv_False_2_Int, hbv_False_6_Int, (skolem7 hbv_False_6_Int hbv_False_5_Int hbv_False_3_Int hbv_False_7_Int hbv_False_2_Int hbv_False_1_Array_Int_Int hbv_False_8_Int hbv_False_4_Array_Int_Int), (select hbv_False_1_Array_Int_Int (skolem7 hbv_False_6_Int hbv_False_5_Int hbv_False_3_Int hbv_False_7_Int hbv_False_2_Int hbv_False_1_Array_Int_Int hbv_False_8_Int hbv_False_4_Array_Int_Int)), hbv_False_7_Int, hbv_False_8_Int, hbv_False_5_Int, (skolem8 hbv_False_6_Int hbv_False_5_Int hbv_False_3_Int hbv_False_7_Int hbv_False_2_Int hbv_False_1_Array_Int_Int hbv_False_8_Int hbv_False_4_Array_Int_Int), (select hbv_False_4_Array_Int_Int (skolem8 hbv_False_6_Int hbv_False_5_Int hbv_False_3_Int hbv_False_7_Int hbv_False_2_Int hbv_False_1_Array_Int_Int hbv_False_8_Int hbv_False_4_Array_Int_Int))])) ^^ ((let ((.cse0 (select hbv_False_1_Array_Int_Int hbv_False_2_Int)) (.cse1 (select hbv_False_1_Array_Int_Int hbv_False_3_Int))) (and (not (= .cse0 0)) (not (distinct (select hbv_False_4_Array_Int_Int hbv_False_5_Int) 0)) (not (= .cse1 0)) (not (= .cse0 .cse1))))) ~~> (false)[(true) ^^ ((and (= hhv_INV_MAIN_0_2_Int hhv_INV_MAIN_0_0_Int) (= hhv_INV_MAIN_0_0_Int hhv_INV_MAIN_0_7_Int) (= hhv_INV_MAIN_0_9_Int (select hbv_INV_MAIN_0_2_Array_Int_Int hhv_INV_MAIN_0_8_Int)) (let ((.cse0 (skolem0 hhv_INV_MAIN_0_0_Int hhv_INV_MAIN_0_3_Int hhv_INV_MAIN_0_8_Int hhv_INV_MAIN_0_7_Int hhv_INV_MAIN_0_1_Int hbv_INV_MAIN_0_1_Array_Int_Int hhv_INV_MAIN_0_6_Int hbv_INV_MAIN_0_2_Array_Int_Int))) (= (select hbv_INV_MAIN_0_1_Array_Int_Int .cse0) (select hbv_INV_MAIN_0_2_Array_Int_Int .cse0))) (= hhv_INV_MAIN_0_5_Int 0) (= hhv_INV_MAIN_0_4_Int (select hbv_INV_MAIN_0_1_Array_Int_Int hhv_INV_MAIN_0_3_Int)) (= hhv_INV_MAIN_0_1_Int hhv_INV_MAIN_0_6_Int))) ~~> (INV_MAIN_0)] [2018-06-15 02:30:17,643 INFO L205 PluginConnector]: Invalid model from TreeAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver@c7f7876 and model type null, skipping insertion in model container [2018-06-15 02:30:17,643 INFO L132 PluginConnector]: ------------------------ END TreeAutomizer---------------------------- [2018-06-15 02:30:17,644 INFO L168 Benchmark]: Toolchain (without parser) took 97.52 ms. Allocated memory is still 306.7 MB. Free memory was 259.0 MB in the beginning and 257.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-15 02:30:17,646 INFO L168 Benchmark]: SmtParser took 0.14 ms. Allocated memory is still 306.7 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-15 02:30:17,647 INFO L168 Benchmark]: TreeAutomizer took 90.47 ms. Allocated memory is still 306.7 MB. Free memory was 259.0 MB in the beginning and 257.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-15 02:30:17,650 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.14 ms. Allocated memory is still 306.7 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 90.47 ms. Allocated memory is still 306.7 MB. Free memory was 259.0 MB in the beginning and 257.0 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.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-15_02-30-17-665.csv Received shutdown request...