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/arrays/libc__strcspn_3.array.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 17:32:19,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 17:32:19,228 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 17:32:19,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-06-18 17:32:19,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 17:32:19,252 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 17:32:19,253 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 17:32:19,253 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 17:32:19,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 17:32:19,256 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 17:32:19,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 17:32:19,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 17:32:19,274 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 17:32:19,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 17:32:19,278 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-18 17:32:19,291 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 17:32:19,306 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 17:32:19,306 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 17:32:19,309 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 17:32:19,309 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 17:32:19,309 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 17:32:19,310 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 17:32:19,310 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 17:32:19,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 17:32:19,376 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 17:32:19,382 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 17:32:19,384 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 17:32:19,384 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 17:32:19,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/arrays/libc__strcspn_3.array.smt2 [2018-06-18 17:32:19,386 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 17:32:19,483 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/arrays/libc__strcspn_3.array.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@6d9c272e [2018-06-18 17:32:19,813 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/arrays/libc__strcspn_3.array.smt2 [2018-06-18 17:32:19,822 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-18 17:32:19,828 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-18 17:32:19,829 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-18 17:32:19,829 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-18 17:32:19,832 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-18 17:32:19,833 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 05:32:19" (1/1) ... [2018-06-18 17:32:19,917 INFO L194 TreeAutomizerCEGAR]: The program is unsafe, feasible counterexample. [2018-06-18 17:32:19,917 INFO L195 TreeAutomizerCEGAR]: (and INV_MAIN_1([hbv_False_7_Int, hbv_False_6_Int, hbv_False_5_Int, hbv_False_4_Array_Int_Int, hbv_False_8_Int, hbv_False_3_Int, hbv_False_2_Int, hbv_False_1_Array_Int_Int])) ^^ ((let ((.cse1 (select hbv_False_4_Array_Int_Int hbv_False_5_Int)) (.cse2 (select hbv_False_4_Array_Int_Int (+ hbv_False_6_Int 0))) (.cse0 (select hbv_False_1_Array_Int_Int hbv_False_2_Int))) (and (not (= hbv_False_3_Int 0)) (= (select hbv_False_1_Array_Int_Int hbv_False_3_Int) .cse0) (not (= 0 .cse1)) (= .cse1 .cse2) (not (= .cse2 0)) (not (and (= hbv_False_7_Int hbv_False_8_Int) (= hbv_False_4_Array_Int_Int hbv_False_1_Array_Int_Int))) (not (= 0 .cse0))))) ~~> (false)[(true) ^^ ((and (let ((.cse0 (skolem0 hhv_INV_MAIN_1_2_Int hhv_INV_MAIN_1_6_Int hhv_INV_MAIN_1_1_Int hhv_INV_MAIN_1_3_Array_Int_Int hhv_INV_MAIN_1_5_Int hhv_INV_MAIN_1_7_Array_Int_Int))) (= (select hhv_INV_MAIN_1_3_Array_Int_Int .cse0) (select hhv_INV_MAIN_1_7_Array_Int_Int .cse0))) (= hhv_INV_MAIN_1_1_Int hhv_INV_MAIN_1_5_Int) (= hhv_INV_MAIN_1_2_Int hhv_INV_MAIN_1_6_Int) (= hhv_INV_MAIN_1_0_Int 0) (= hhv_INV_MAIN_1_4_Int 0) (> hhv_INV_MAIN_1_1_Int 0))) ~~> (INV_MAIN_1)] [2018-06-18 17:32:19,922 INFO L205 PluginConnector]: Invalid model from TreeAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver@59c3e203 and model type null, skipping insertion in model container [2018-06-18 17:32:19,923 INFO L132 PluginConnector]: ------------------------ END TreeAutomizer---------------------------- [2018-06-18 17:32:19,924 INFO L168 Benchmark]: Toolchain (without parser) took 101.21 ms. Allocated memory is still 308.3 MB. Free memory was 260.7 MB in the beginning and 256.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-18 17:32:19,926 INFO L168 Benchmark]: SmtParser took 0.19 ms. Allocated memory is still 308.3 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 17:32:19,926 INFO L168 Benchmark]: TreeAutomizer took 94.18 ms. Allocated memory is still 308.3 MB. Free memory was 260.7 MB in the beginning and 256.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-18 17:32:19,929 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.19 ms. Allocated memory is still 308.3 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 94.18 ms. Allocated memory is still 308.3 MB. Free memory was 260.7 MB in the beginning and 256.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 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.array.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-18_17-32-19-939.csv Received shutdown request...