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__strpbrk_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-86166b8 [2018-06-23 14:34:43,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-23 14:34:43,100 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-23 14:34:43,112 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-23 14:34:43,113 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-23 14:34:43,113 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-23 14:34:43,114 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-23 14:34:43,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-23 14:34:43,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-23 14:34:43,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-23 14:34:43,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-23 14:34:43,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-23 14:34:43,121 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-23 14:34:43,122 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-23 14:34:43,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-23 14:34:43,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-23 14:34:43,127 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-23 14:34:43,129 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-23 14:34:43,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-23 14:34:43,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-23 14:34:43,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-23 14:34:43,146 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-23 14:34:43,146 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-23 14:34:43,146 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-23 14:34:43,147 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-23 14:34:43,147 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-23 14:34:43,148 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-23 14:34:43,149 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-23 14:34:43,150 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-23 14:34:43,150 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-23 14:34:43,150 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-23 14:34:43,151 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-23 14:34:43,151 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-23 14:34:43,152 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-23 14:34:43,152 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-23 14:34:43,158 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-23 14:34:43,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-23 14:34:43,170 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-23 14:34:43,171 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-23 14:34:43,172 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-23 14:34:43,172 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-23 14:34:43,172 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-23 14:34:43,176 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-23 14:34:43,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-23 14:34:43,241 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-23 14:34:43,249 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-23 14:34:43,251 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-23 14:34:43,251 INFO L276 PluginConnector]: SmtParser initialized [2018-06-23 14:34:43,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strpbrk_1.smt2 [2018-06-23 14:34:43,253 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-23 14:34:43,347 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strpbrk_1.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@56af466a [2018-06-23 14:34:43,569 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strpbrk_1.smt2 [2018-06-23 14:34:43,577 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-23 14:34:43,582 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-23 14:34:43,583 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-23 14:34:43,583 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-23 14:34:43,587 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-23 14:34:43,588 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 23.06 02:34:43" (1/1) ... [2018-06-23 14:34:43,657 INFO L194 TreeAutomizerCEGAR]: The program is unsafe, feasible counterexample. [2018-06-23 14:34:43,658 INFO L195 TreeAutomizerCEGAR]: (and INV_MAIN_0([hbv_False_5_Int, hbv_False_2_Int, (skolem3 hbv_False_2_Int hbv_False_6_Int hbv_False_4_Int hbv_False_1_Array_Int_Int hbv_False_5_Int hbv_False_3_Array_Int_Int), (select hbv_False_1_Array_Int_Int (skolem3 hbv_False_2_Int hbv_False_6_Int hbv_False_4_Int hbv_False_1_Array_Int_Int hbv_False_5_Int hbv_False_3_Array_Int_Int)), hbv_False_4_Int, hbv_False_6_Int, (skolem4 hbv_False_2_Int hbv_False_6_Int hbv_False_4_Int hbv_False_1_Array_Int_Int hbv_False_5_Int hbv_False_3_Array_Int_Int), (select hbv_False_3_Array_Int_Int (skolem4 hbv_False_2_Int hbv_False_6_Int hbv_False_4_Int hbv_False_1_Array_Int_Int hbv_False_5_Int hbv_False_3_Array_Int_Int))])) ^^ ((and (not (distinct (select hbv_False_3_Array_Int_Int hbv_False_4_Int) 0)) (not (= 0 (select hbv_False_1_Array_Int_Int hbv_False_2_Int))))) ~~> (false)[(true) ^^ ((and (let ((.cse0 (skolem0 hhv_INV_MAIN_0_1_Int hhv_INV_MAIN_0_5_Int hhv_INV_MAIN_0_2_Int hhv_INV_MAIN_0_6_Int hhv_INV_MAIN_0_4_Int hbv_INV_MAIN_0_2_Array_Int_Int hhv_INV_MAIN_0_0_Int hbv_INV_MAIN_0_1_Array_Int_Int))) (= (select hbv_INV_MAIN_0_2_Array_Int_Int .cse0) (select hbv_INV_MAIN_0_1_Array_Int_Int .cse0))) (= hhv_INV_MAIN_0_1_Int hhv_INV_MAIN_0_4_Int) (= hhv_INV_MAIN_0_7_Int (select hbv_INV_MAIN_0_1_Array_Int_Int hhv_INV_MAIN_0_6_Int)) (= hhv_INV_MAIN_0_0_Int hhv_INV_MAIN_0_5_Int) (= hhv_INV_MAIN_0_3_Int (select hbv_INV_MAIN_0_2_Array_Int_Int hhv_INV_MAIN_0_2_Int)))) ~~> (INV_MAIN_0)] [2018-06-23 14:34:43,663 INFO L205 PluginConnector]: Invalid model from TreeAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver@52387174 and model type null, skipping insertion in model container [2018-06-23 14:34:43,664 INFO L132 PluginConnector]: ------------------------ END TreeAutomizer---------------------------- [2018-06-23 14:34:43,665 INFO L168 Benchmark]: Toolchain (without parser) took 87.46 ms. Allocated memory is still 302.5 MB. Free memory was 256.8 MB in the beginning and 254.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-23 14:34:43,670 INFO L168 Benchmark]: SmtParser took 0.17 ms. Allocated memory is still 302.5 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-23 14:34:43,670 INFO L168 Benchmark]: TreeAutomizer took 80.81 ms. Allocated memory is still 302.5 MB. Free memory was 256.8 MB in the beginning and 254.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-23 14:34:43,674 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.17 ms. Allocated memory is still 302.5 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 80.81 ms. Allocated memory is still 302.5 MB. Free memory was 256.8 MB in the beginning and 254.8 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__strpbrk_1.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-23_14-34-43-686.csv Received shutdown request...