java -Xss1g -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/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf -i /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-21 08:45:57,053 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-21 08:45:57,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-21 08:45:57,067 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-21 08:45:57,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-21 08:45:57,068 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-21 08:45:57,069 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-21 08:45:57,071 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-21 08:45:57,073 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-21 08:45:57,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-21 08:45:57,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-21 08:45:57,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-21 08:45:57,077 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-21 08:45:57,078 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-21 08:45:57,079 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-21 08:45:57,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-21 08:45:57,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-21 08:45:57,083 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-21 08:45:57,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-21 08:45:57,095 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-21 08:45:57,097 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-21 08:45:57,100 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-21 08:45:57,101 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-21 08:45:57,101 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-21 08:45:57,102 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-21 08:45:57,103 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-21 08:45:57,104 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-21 08:45:57,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-21 08:45:57,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-21 08:45:57,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-21 08:45:57,113 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-21 08:45:57,114 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-21 08:45:57,114 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-21 08:45:57,115 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-21 08:45:57,115 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-21 08:45:57,115 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-21 08:45:57,132 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-21 08:45:57,133 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-21 08:45:57,138 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-21 08:45:57,138 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-21 08:45:57,139 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-21 08:45:57,139 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-21 08:45:57,140 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-21 08:45:57,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-21 08:45:57,214 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-21 08:45:57,219 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-21 08:45:57,221 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-21 08:45:57,221 INFO L276 PluginConnector]: SmtParser initialized [2018-06-21 08:45:57,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_3.smt2 [2018-06-21 08:45:57,223 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-21 08:45:57,304 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_3.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@1c2981ac [2018-06-21 08:45:57,744 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_3.smt2 [2018-06-21 08:45:57,749 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-21 08:45:57,755 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-21 08:45:57,755 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-21 08:45:57,756 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-21 08:45:57,758 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-21 08:45:57,759 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 21.06 08:45:57" (1/1) ... [2018-06-21 08:45:57,831 INFO L194 TreeAutomizerCEGAR]: The program is unsafe, feasible counterexample. [2018-06-21 08:45:57,831 INFO L195 TreeAutomizerCEGAR]: (and INV_MAIN_1([hbv_False_7_Int, hbv_False_5_Int, hbv_False_4_Int, (skolem27 hbv_False_4_Int hbv_False_7_Int hbv_False_8_Int hbv_False_2_Int hbv_False_5_Int hbv_False_3_Array_Int_Int hbv_False_6_Int hbv_False_1_Array_Int_Int), (select hbv_False_3_Array_Int_Int (skolem27 hbv_False_4_Int hbv_False_7_Int hbv_False_8_Int hbv_False_2_Int hbv_False_5_Int hbv_False_3_Array_Int_Int hbv_False_6_Int hbv_False_1_Array_Int_Int)), hbv_False_8_Int, hbv_False_6_Int, hbv_False_2_Int, (skolem28 hbv_False_4_Int hbv_False_7_Int hbv_False_8_Int hbv_False_2_Int hbv_False_5_Int hbv_False_3_Array_Int_Int hbv_False_6_Int hbv_False_1_Array_Int_Int), (select hbv_False_1_Array_Int_Int (skolem28 hbv_False_4_Int hbv_False_7_Int hbv_False_8_Int hbv_False_2_Int hbv_False_5_Int hbv_False_3_Array_Int_Int hbv_False_6_Int hbv_False_1_Array_Int_Int))])) ^^ ((let ((.cse0 (select hbv_False_3_Array_Int_Int hbv_False_4_Int)) (.cse1 (select hbv_False_3_Array_Int_Int (+ hbv_False_5_Int 0))) (.cse2 (select hbv_False_1_Array_Int_Int hbv_False_2_Int))) (and (not (= 0 .cse0)) (not (= hbv_False_6_Int 0)) (not (= .cse0 .cse1)) (not (= .cse1 0)) (= (select hbv_False_1_Array_Int_Int hbv_False_6_Int) .cse2) (not (= 0 .cse2))))) ~~> (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)] [2018-06-21 08:45:57,835 INFO L205 PluginConnector]: Invalid model from TreeAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver@5abb441b and model type null, skipping insertion in model container [2018-06-21 08:45:57,835 INFO L132 PluginConnector]: ------------------------ END TreeAutomizer---------------------------- [2018-06-21 08:45:57,836 INFO L168 Benchmark]: Toolchain (without parser) took 86.42 ms. Allocated memory is still 306.7 MB. Free memory was 257.2 MB in the beginning and 254.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-21 08:45:57,838 INFO L168 Benchmark]: SmtParser took 0.18 ms. Allocated memory is still 306.7 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-21 08:45:57,839 INFO L168 Benchmark]: TreeAutomizer took 80.12 ms. Allocated memory is still 306.7 MB. Free memory was 257.2 MB in the beginning and 254.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-21 08:45:57,842 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.18 ms. Allocated memory is still 306.7 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 80.12 ms. Allocated memory is still 306.7 MB. Free memory was 257.2 MB in the beginning and 254.2 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__strcspn_3.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-21_08-45-57-857.csv Received shutdown request...