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__strncmp_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-21 08:46:00,139 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-21 08:46:00,141 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-21 08:46:00,155 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-21 08:46:00,156 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-21 08:46:00,157 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-21 08:46:00,158 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-21 08:46:00,159 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-21 08:46:00,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-21 08:46:00,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-21 08:46:00,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-21 08:46:00,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-21 08:46:00,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-21 08:46:00,165 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-21 08:46:00,169 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-21 08:46:00,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-21 08:46:00,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-21 08:46:00,185 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-21 08:46:00,186 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-21 08:46:00,187 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-21 08:46:00,188 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-21 08:46:00,190 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-21 08:46:00,204 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-21 08:46:00,217 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-21 08:46:00,217 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-21 08:46:00,218 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-21 08:46:00,219 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-21 08:46:00,219 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-21 08:46:00,220 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-21 08:46:00,223 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-21 08:46:00,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-21 08:46:00,298 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-21 08:46:00,304 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-21 08:46:00,305 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-21 08:46:00,305 INFO L276 PluginConnector]: SmtParser initialized [2018-06-21 08:46:00,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strncmp_1.smt2 [2018-06-21 08:46:00,307 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-21 08:46:00,378 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strncmp_1.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@70a0cd21 [2018-06-21 08:46:00,745 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strncmp_1.smt2 [2018-06-21 08:46:00,751 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-21 08:46:00,756 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-21 08:46:00,757 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-21 08:46:00,757 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-21 08:46:00,760 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-21 08:46:00,761 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 21.06 08:46:00" (1/1) ... [2018-06-21 08:46:01,050 INFO L194 TreeAutomizerCEGAR]: The program is unsafe, feasible counterexample. [2018-06-21 08:46:01,051 INFO L195 TreeAutomizerCEGAR]: (true) ^^ ((let ((.cse2 (select hbv_False_8_Array_Int_Int hbv_False_7_Int)) (.cse0 (select hbv_False_1_Array_Int_Int hbv_False_2_Int))) (and (not (= .cse0 0)) (= hbv_False_7_Int hbv_False_2_Int) (= hbv_False_5_Int hbv_False_6_Int) (let ((.cse1 (skolem4 hbv_False_4_Int hbv_False_7_Int hbv_False_5_Int hbv_False_6_Int hbv_False_2_Int hbv_False_8_Array_Int_Int hbv_False_1_Array_Int_Int hbv_False_3_Int))) (= (select hbv_False_8_Array_Int_Int .cse1) (select hbv_False_1_Array_Int_Int .cse1))) (not (distinct .cse2 (select hbv_False_8_Array_Int_Int hbv_False_3_Int))) (> (ite (>= hbv_False_6_Int 0) hbv_False_6_Int (- hbv_False_6_Int)) (ite (>= 0 0) 0 (- 0))) (not (= .cse2 0)) (not (= .cse0 (select hbv_False_1_Array_Int_Int hbv_False_4_Int))) (not (= hbv_False_5_Int 0)) (= hbv_False_3_Int hbv_False_4_Int)))) ~~> (false) [2018-06-21 08:46:01,059 INFO L205 PluginConnector]: Invalid model from TreeAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver@11791bac and model type null, skipping insertion in model container [2018-06-21 08:46:01,060 INFO L132 PluginConnector]: ------------------------ END TreeAutomizer---------------------------- [2018-06-21 08:46:01,061 INFO L168 Benchmark]: Toolchain (without parser) took 309.41 ms. Allocated memory is still 305.7 MB. Free memory was 257.1 MB in the beginning and 246.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. [2018-06-21 08:46:01,063 INFO L168 Benchmark]: SmtParser took 0.11 ms. Allocated memory is still 305.7 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-21 08:46:01,064 INFO L168 Benchmark]: TreeAutomizer took 303.14 ms. Allocated memory is still 305.7 MB. Free memory was 257.1 MB in the beginning and 246.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. [2018-06-21 08:46:01,066 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.11 ms. Allocated memory is still 305.7 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 303.14 ms. Allocated memory is still 305.7 MB. Free memory was 257.1 MB in the beginning and 246.2 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_1.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-21_08-46-01-077.csv Received shutdown request...