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__strchr_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-86166b8 [2018-06-23 14:34:30,861 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-23 14:34:30,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-23 14:34:30,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-23 14:34:30,874 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-23 14:34:30,875 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-23 14:34:30,880 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-23 14:34:30,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-23 14:34:30,883 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-23 14:34:30,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-23 14:34:30,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-23 14:34:30,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-23 14:34:30,887 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-23 14:34:30,888 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-23 14:34:30,892 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-23 14:34:30,893 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-23 14:34:30,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-23 14:34:30,908 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-23 14:34:30,909 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-23 14:34:30,910 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-23 14:34:30,911 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-23 14:34:30,913 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-23 14:34:30,921 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-23 14:34:30,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-23 14:34:30,924 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-23 14:34:30,924 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-23 14:34:30,925 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-23 14:34:30,925 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-23 14:34:30,925 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-23 14:34:30,937 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-23 14:34:30,937 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-23 14:34:30,939 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-23 14:34:30,939 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-23 14:34:30,939 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-23 14:34:30,940 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-23 14:34:30,940 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-23 14:34:30,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-23 14:34:31,016 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-23 14:34:31,023 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-23 14:34:31,025 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-23 14:34:31,025 INFO L276 PluginConnector]: SmtParser initialized [2018-06-23 14:34:31,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strchr_1.smt2 [2018-06-23 14:34:31,027 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-23 14:34:31,116 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strchr_1.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@85ed192 [2018-06-23 14:34:31,706 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strchr_1.smt2 [2018-06-23 14:34:31,712 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-23 14:34:31,718 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-23 14:34:31,719 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-23 14:34:31,719 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-23 14:34:31,721 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-23 14:34:31,723 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 23.06 02:34:31" (1/1) ... [2018-06-23 14:34:31,803 INFO L194 TreeAutomizerCEGAR]: The program is unsafe, feasible counterexample. [2018-06-23 14:34:31,803 INFO L195 TreeAutomizerCEGAR]: (and INV_MAIN_42([hbv_False_7_Int, hbv_False_2_Int, (skolem57 hbv_False_6_Int hbv_False_2_Int hbv_False_5_Int hbv_False_7_Int hbv_False_1_Array_Int_Int hbv_False_4_Array_Int_Int), (select hbv_False_1_Array_Int_Int (skolem57 hbv_False_6_Int hbv_False_2_Int hbv_False_5_Int hbv_False_7_Int hbv_False_1_Array_Int_Int hbv_False_4_Array_Int_Int)), hbv_False_6_Int, hbv_False_5_Int, (skolem58 hbv_False_6_Int hbv_False_2_Int hbv_False_5_Int hbv_False_7_Int hbv_False_1_Array_Int_Int hbv_False_4_Array_Int_Int), (select hbv_False_4_Array_Int_Int (skolem58 hbv_False_6_Int hbv_False_2_Int hbv_False_5_Int hbv_False_7_Int hbv_False_1_Array_Int_Int hbv_False_4_Array_Int_Int))])) ^^ ((let ((.cse3 (+ hbv_False_2_Int 1))) (let ((.cse1 (+ .cse3 1)) (.cse0 (select hbv_False_1_Array_Int_Int hbv_False_2_Int)) (.cse2 (select hbv_False_1_Array_Int_Int .cse3))) (and (not (= .cse0 0)) (= (select hbv_False_4_Array_Int_Int hbv_False_5_Int) hbv_False_6_Int) (= (select hbv_False_1_Array_Int_Int .cse1) hbv_False_7_Int) (not (= .cse2 0)) (not (and (= .cse1 hbv_False_5_Int) (= (select hbv_False_1_Array_Int_Int hbv_False_3_Int) (select hbv_False_4_Array_Int_Int hbv_False_3_Int)))) (not (= .cse0 hbv_False_7_Int)) (not (= .cse2 hbv_False_7_Int)))))) ~~> (false)[(true) ^^ ((and (= hhv_INV_MAIN_42_3_Int (select hbv_INV_MAIN_42_2_Array_Int_Int hhv_INV_MAIN_42_2_Int)) (= hhv_INV_MAIN_42_1_Int hhv_INV_MAIN_42_5_Int) (= hhv_INV_MAIN_42_7_Int (select hbv_INV_MAIN_42_1_Array_Int_Int hhv_INV_MAIN_42_6_Int)) (let ((.cse0 (skolem0 hhv_INV_MAIN_42_1_Int hhv_INV_MAIN_42_4_Int hhv_INV_MAIN_42_5_Int hhv_INV_MAIN_42_2_Int hhv_INV_MAIN_42_6_Int hhv_INV_MAIN_42_0_Int hbv_INV_MAIN_42_2_Array_Int_Int hbv_INV_MAIN_42_1_Array_Int_Int))) (= (select hbv_INV_MAIN_42_2_Array_Int_Int .cse0) (select hbv_INV_MAIN_42_1_Array_Int_Int .cse0))) (= hhv_INV_MAIN_42_0_Int hhv_INV_MAIN_42_4_Int))) ~~> (INV_MAIN_42)] [2018-06-23 14:34:31,808 INFO L205 PluginConnector]: Invalid model from TreeAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver@9a296b6 and model type null, skipping insertion in model container [2018-06-23 14:34:31,808 INFO L132 PluginConnector]: ------------------------ END TreeAutomizer---------------------------- [2018-06-23 14:34:31,810 INFO L168 Benchmark]: Toolchain (without parser) took 96.40 ms. Allocated memory is still 307.8 MB. Free memory was 240.2 MB in the beginning and 236.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-23 14:34:31,812 INFO L168 Benchmark]: SmtParser took 0.16 ms. Allocated memory is still 307.8 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-23 14:34:31,812 INFO L168 Benchmark]: TreeAutomizer took 89.83 ms. Allocated memory is still 307.8 MB. Free memory was 240.2 MB in the beginning and 236.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-23 14:34:31,815 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.16 ms. Allocated memory is still 307.8 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 89.83 ms. Allocated memory is still 307.8 MB. Free memory was 240.2 MB in the beginning and 236.2 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__strchr_1.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-23_14-34-31-826.csv Received shutdown request...