java -Xss4m -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__strncmp_3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-86166b8 [2018-06-23 14:34:40,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-23 14:34:40,916 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-23 14:34:40,930 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-23 14:34:40,930 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-23 14:34:40,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-23 14:34:40,934 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-23 14:34:40,937 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-23 14:34:40,938 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-23 14:34:40,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-23 14:34:40,941 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-23 14:34:40,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-23 14:34:40,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-23 14:34:40,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-23 14:34:40,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-23 14:34:40,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-23 14:34:40,947 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-23 14:34:40,957 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-23 14:34:40,958 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-23 14:34:40,959 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-23 14:34:40,960 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-23 14:34:40,965 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-23 14:34:40,978 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-23 14:34:40,989 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-23 14:34:40,989 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-23 14:34:40,991 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-23 14:34:40,993 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-23 14:34:40,993 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-23 14:34:40,994 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-23 14:34:40,994 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-23 14:34:41,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-23 14:34:41,061 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-23 14:34:41,066 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-23 14:34:41,067 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-23 14:34:41,067 INFO L276 PluginConnector]: SmtParser initialized [2018-06-23 14:34:41,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strncmp_3.smt2 [2018-06-23 14:34:41,069 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-23 14:34:41,148 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strncmp_3.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@20f724d4 [2018-06-23 14:34:41,424 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strncmp_3.smt2 [2018-06-23 14:34:41,429 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-23 14:34:41,435 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-23 14:34:41,436 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-23 14:34:41,436 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-23 14:34:41,439 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-23 14:34:41,440 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 23.06 02:34:41" (1/1) ... [2018-06-23 14:34:41,759 INFO L194 TreeAutomizerCEGAR]: The program is unsafe, feasible counterexample. [2018-06-23 14:34:41,760 INFO L195 TreeAutomizerCEGAR]: (true) ^^ ((let ((.cse0 (= 0 (- (select hbv_False_7_Array_Int_Int hbv_False_3_Int) (select hbv_False_7_Array_Int_Int hbv_False_6_Int)))) (.cse1 (select hbv_False_1_Array_Int_Int hbv_False_2_Int))) (and (= hbv_False_9_Int hbv_False_4_Int) (not .cse0) (= .cse1 0) (not (and .cse0 (= (select hbv_False_1_Array_Int_Int hbv_False_8_Int) (select hbv_False_7_Array_Int_Int hbv_False_8_Int)))) (= hbv_False_5_Int hbv_False_6_Int) (not (distinct .cse1 (select hbv_False_1_Array_Int_Int hbv_False_5_Int))) (not (= hbv_False_9_Int 0)) (not (= hbv_False_3_Int (+ hbv_False_3_Int hbv_False_4_Int))) (let ((.cse2 (skolem12 hbv_False_6_Int hbv_False_8_Int hbv_False_2_Int hbv_False_9_Int hbv_False_4_Int hbv_False_3_Int hbv_False_1_Array_Int_Int hbv_False_7_Array_Int_Int hbv_False_5_Int))) (= (select hbv_False_1_Array_Int_Int .cse2) (select hbv_False_7_Array_Int_Int .cse2))) (= hbv_False_2_Int hbv_False_3_Int)))) ~~> (false) [2018-06-23 14:34:41,765 INFO L205 PluginConnector]: Invalid model from TreeAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver@32d52a9a and model type null, skipping insertion in model container [2018-06-23 14:34:41,765 INFO L132 PluginConnector]: ------------------------ END TreeAutomizer---------------------------- [2018-06-23 14:34:41,766 INFO L168 Benchmark]: Toolchain (without parser) took 336.73 ms. Allocated memory is still 308.8 MB. Free memory was 261.1 MB in the beginning and 250.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. [2018-06-23 14:34:41,768 INFO L168 Benchmark]: SmtParser took 0.15 ms. Allocated memory is still 308.8 MB. Free memory is still 276.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-23 14:34:41,769 INFO L168 Benchmark]: TreeAutomizer took 329.60 ms. Allocated memory is still 308.8 MB. Free memory was 261.1 MB in the beginning and 250.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. [2018-06-23 14:34:41,771 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.15 ms. Allocated memory is still 308.8 MB. Free memory is still 276.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 329.60 ms. Allocated memory is still 308.8 MB. Free memory was 261.1 MB in the beginning and 250.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 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__strncmp_3.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-23_14-34-41-779.csv Received shutdown request...