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/TreeAutomizerNaiveMinimization.epf -i /storage/chc-comp/vmt-chc-benchmarks/ctigar/fig2.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1792c6b [2018-06-15 08:59:23,144 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-15 08:59:23,149 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-15 08:59:23,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-15 08:59:23,169 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-15 08:59:23,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-15 08:59:23,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-15 08:59:23,175 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-15 08:59:23,177 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-15 08:59:23,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-15 08:59:23,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-15 08:59:23,180 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-15 08:59:23,181 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-15 08:59:23,182 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-15 08:59:23,183 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-15 08:59:23,187 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-15 08:59:23,189 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-15 08:59:23,202 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-15 08:59:23,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-15 08:59:23,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-15 08:59:23,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-15 08:59:23,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-15 08:59:23,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-15 08:59:23,210 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-15 08:59:23,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-15 08:59:23,211 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-15 08:59:23,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-15 08:59:23,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-15 08:59:23,216 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-15 08:59:23,216 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-15 08:59:23,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-15 08:59:23,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-15 08:59:23,218 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-15 08:59:23,223 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-15 08:59:23,225 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-15 08:59:23,226 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerNaiveMinimization.epf [2018-06-15 08:59:23,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-15 08:59:23,239 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-15 08:59:23,241 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-15 08:59:23,242 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-15 08:59:23,245 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-15 08:59:23,245 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-15 08:59:23,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-15 08:59:23,325 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-15 08:59:23,330 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-15 08:59:23,332 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-15 08:59:23,332 INFO L276 PluginConnector]: SmtParser initialized [2018-06-15 08:59:23,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/fig2.c.smt2 [2018-06-15 08:59:23,335 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-15 08:59:23,429 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/fig2.c.smt2 unknown [2018-06-15 08:59:23,677 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/fig2.c.smt2 [2018-06-15 08:59:23,682 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-15 08:59:23,689 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-15 08:59:23,690 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-15 08:59:23,690 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-15 08:59:23,693 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-15 08:59:23,694 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 15.06 08:59:23" (1/1) ... [2018-06-15 08:59:23,757 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:24,014 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:24,365 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:24,945 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:25,591 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:26,305 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:27,418 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:28,809 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:30,538 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:33,364 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:35,701 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:38,495 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:38,916 WARN L168 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2018-06-15 08:59:42,018 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:46,036 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:46,495 WARN L168 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 39 [2018-06-15 08:59:49,662 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:50,188 WARN L168 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 35 [2018-06-15 08:59:50,450 WARN L168 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 51 [2018-06-15 08:59:50,862 WARN L168 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 60 [2018-06-15 08:59:51,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-15 08:59:51,273 WARN L168 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 50 [2018-06-15 08:59:51,667 WARN L168 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 49 [2018-06-15 08:59:51,929 WARN L168 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 43 [2018-06-15 08:59:52,277 WARN L168 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 43 [2018-06-15 08:59:52,557 WARN L168 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 39 [2018-06-15 08:59:55,846 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 08:59:56,379 WARN L168 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2018-06-15 09:00:00,198 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:01,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-15 09:00:04,895 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:10,215 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-06-15 09:00:14,205 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer has thrown an exception: java.lang.UnsupportedOperationException: Auxiliary term must not be contained in any collection at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.SmtFreePredicateFactory$AuxiliaryTerm.hashCode(SmtFreePredicateFactory.java:126) at java.util.HashMap.hash(HashMap.java:338) at java.util.HashMap.containsKey(HashMap.java:595) at java.util.HashSet.contains(HashSet.java:203) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.recursiveAndOrSimplificationHelper(SmtUtils.java:1062) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.andWithExtendedLocalSimplification(SmtUtils.java:923) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.and(SmtUtils.java:890) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.implicationStatement(HCStateFactory.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.implies(HCStateFactory.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.constructBaseGraph(HCStateFactory.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.getImplicationGraph(HCStateFactory.java:265) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.filterUnconditonally(HCStateFactory.java:287) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.filter(HCStateFactory.java:300) at de.uni_freiburg.informatik.ultimate.automata.tree.operations.difference.LazyDifference.computeDifference(LazyDifference.java:193) at de.uni_freiburg.informatik.ultimate.automata.tree.operations.difference.LazyDifference.(LazyDifference.java:87) at de.uni_freiburg.informatik.ultimate.automata.tree.operations.difference.LazyDifference.(LazyDifference.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.refineAbstraction(TreeAutomizerCEGAR.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.iterate(TreeAutomizerCEGAR.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver.process(TreeAutomizerObserver.java:97) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-15 09:00:14,209 INFO L168 Benchmark]: Toolchain (without parser) took 50526.25 ms. Allocated memory was 308.8 MB in the beginning and 1.3 GB in the end (delta: 982.5 MB). Free memory was 265.1 MB in the beginning and 947.7 MB in the end (delta: -682.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. [2018-06-15 09:00:14,211 INFO L168 Benchmark]: SmtParser took 0.17 ms. Allocated memory is still 308.8 MB. Free memory is still 275.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-15 09:00:14,211 INFO L168 Benchmark]: TreeAutomizer took 50518.97 ms. Allocated memory was 308.8 MB in the beginning and 1.3 GB in the end (delta: 982.5 MB). Free memory was 263.1 MB in the beginning and 947.7 MB in the end (delta: -684.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. [2018-06-15 09:00:14,213 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.17 ms. Allocated memory is still 308.8 MB. Free memory is still 275.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 50518.97 ms. Allocated memory was 308.8 MB in the beginning and 1.3 GB in the end (delta: 982.5 MB). Free memory was 263.1 MB in the beginning and 947.7 MB in the end (delta: -684.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Auxiliary term must not be contained in any collection de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: UnsupportedOperationException: Auxiliary term must not be contained in any collection: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.SmtFreePredicateFactory$AuxiliaryTerm.hashCode(SmtFreePredicateFactory.java:126) 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/fig2.c.smt2_TreeAutomizerNaiveMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-15_09-00-14-222.csv Completed graceful shutdown