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/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-86166b8 [2018-06-23 14:55:19,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-23 14:55:19,338 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-23 14:55:19,351 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-06-23 14:55:19,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-23 14:55:19,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-23 14:55:19,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-23 14:55:19,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-23 14:55:19,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-23 14:55:19,379 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-23 14:55:19,381 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-23 14:55:19,382 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-23 14:55:19,383 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-23 14:55:19,384 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-23 14:55:19,386 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-23 14:55:19,404 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-23 14:55:19,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-23 14:55:19,416 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-23 14:55:19,418 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-23 14:55:19,418 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-23 14:55:19,418 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-23 14:55:19,420 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-23 14:55:19,420 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-23 14:55:19,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-23 14:55:19,493 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-23 14:55:19,499 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-23 14:55:19,500 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-23 14:55:19,500 INFO L276 PluginConnector]: SmtParser initialized [2018-06-23 14:55:19,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma3.smt2 [2018-06-23 14:55:19,502 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-23 14:55:19,596 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma3.smt2 unknown [2018-06-23 14:55:19,925 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma3.smt2 [2018-06-23 14:55:19,931 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-23 14:55:19,937 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-23 14:55:19,938 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-23 14:55:19,938 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-23 14:55:19,941 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-23 14:55:19,942 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 23.06 02:55:19" (1/1) ... [2018-06-23 14:55:22,182 WARN L168 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-06-23 14:55:24,755 WARN L168 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2018-06-23 14:55:25,150 WARN L168 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 55 [2018-06-23 14:55:28,635 WARN L168 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 94 [2018-06-23 14:55:29,231 WARN L168 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 82 [2018-06-23 14:55:29,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:29,624 WARN L168 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 53 [2018-06-23 14:55:33,097 WARN L168 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 76 [2018-06-23 14:55:33,430 WARN L168 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 70 [2018-06-23 14:55:33,928 WARN L168 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 56 [2018-06-23 14:55:34,494 WARN L168 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 48 [2018-06-23 14:55:42,109 WARN L168 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 312 DAG size of output: 116 [2018-06-23 14:55:42,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:42,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:42,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:42,947 WARN L168 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 70 [2018-06-23 14:55:43,653 WARN L168 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 59 [2018-06-23 14:55:44,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:44,700 WARN L168 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 60 [2018-06-23 14:55:46,063 WARN L168 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 364 DAG size of output: 57 [2018-06-23 14:55:54,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:54,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:54,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:54,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:55,820 WARN L168 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 303 DAG size of output: 113 [2018-06-23 14:55:57,195 WARN L168 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 464 DAG size of output: 89 [2018-06-23 14:55:57,945 WARN L168 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 80 [2018-06-23 14:55:58,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:58,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:58,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 14:55:59,330 WARN L168 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 569 DAG size of output: 59 [2018-06-23 14:56:00,403 WARN L168 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 68 [2018-06-23 14:56:01,147 WARN L168 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 44 Received shutdown request... [2018-06-23 14:56:12,288 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:235) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$0(Interpolator.java:233) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:130) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.retrieveInterpolantsMap(TreeAutomizerCEGAR.java:422) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.iterate(TreeAutomizerCEGAR.java:201) 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-23 14:56:12,292 INFO L168 Benchmark]: Toolchain (without parser) took 52360.97 ms. Allocated memory was 309.3 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 262.6 MB in the beginning and 546.4 MB in the end (delta: -283.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-23 14:56:12,298 INFO L168 Benchmark]: SmtParser took 0.16 ms. Allocated memory is still 309.3 MB. Free memory is still 276.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-23 14:56:12,299 INFO L168 Benchmark]: TreeAutomizer took 52353.49 ms. Allocated memory was 309.3 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 261.6 MB in the beginning and 546.4 MB in the end (delta: -284.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-23 14:56:12,301 INFO L344 ainManager$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 309.3 MB. Free memory is still 276.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 52353.49 ms. Allocated memory was 309.3 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 261.6 MB in the beginning and 546.4 MB in the end (delta: -284.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:235) 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/lfht_2_mini_cleaned.lemma3.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-23_14-56-12-317.csv Completed graceful shutdown