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/TreeAutomizerHopcroftMinimization.epf -i /storage/chc-comp/sally-chc-benchmarks/tte_synchro/tte_synchro.sm_cm_clock_distance.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 18:28:11,229 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 18:28:11,231 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 18:28:11,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 18:28:11,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 18:28:11,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 18:28:11,250 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 18:28:11,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 18:28:11,254 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 18:28:11,255 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 18:28:11,256 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 18:28:11,257 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 18:28:11,258 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 18:28:11,259 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 18:28:11,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 18:28:11,263 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 18:28:11,265 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 18:28:11,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 18:28:11,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 18:28:11,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 18:28:11,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 18:28:11,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 18:28:11,291 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 18:28:11,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 18:28:11,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 18:28:11,294 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 18:28:11,295 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 18:28:11,295 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 18:28:11,296 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 18:28:11,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 18:28:11,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 18:28:11,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 18:28:11,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 18:28:11,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 18:28:11,304 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 18:28:11,305 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 18:28:11,317 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 18:28:11,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 18:28:11,319 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 18:28:11,320 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 18:28:11,320 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 18:28:11,321 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 18:28:11,321 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 18:28:11,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 18:28:11,388 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 18:28:11,392 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 18:28:11,397 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 18:28:11,397 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 18:28:11,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/tte_synchro/tte_synchro.sm_cm_clock_distance.smt2 [2018-06-18 18:28:11,400 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 18:28:11,508 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/tte_synchro/tte_synchro.sm_cm_clock_distance.smt2 unknown [2018-06-18 18:28:11,964 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/tte_synchro/tte_synchro.sm_cm_clock_distance.smt2 [2018-06-18 18:28:11,970 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-18 18:28:11,977 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-18 18:28:11,978 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-18 18:28:11,979 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-18 18:28:11,981 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-18 18:28:11,983 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 06:28:11" (1/1) ... [2018-06-18 18:28:12,117 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:12,491 WARN L168 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-06-18 18:28:13,244 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:14,229 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:15,068 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:15,891 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:16,704 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:17,366 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:18,040 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:18,512 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:19,020 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:19,642 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:20,106 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:20,469 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:21,035 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:21,395 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:21,884 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:22,242 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:22,716 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:23,150 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:23,567 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:23,910 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:24,475 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:24,854 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:25,274 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:25,675 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:26,192 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:26,513 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:26,930 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:27,281 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:27,753 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:28,107 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:28,577 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:28,926 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:29,377 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:29,713 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:30,105 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:30,508 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:30,904 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:31,291 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:31,690 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:31,932 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:32,193 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:32,580 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:32,926 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:33,196 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:33,400 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:33,694 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:33,978 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:34,351 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:34,613 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:34,891 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:35,191 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:35,528 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:35,748 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:36,016 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:36,308 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:36,521 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:36,733 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:37,110 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:37,360 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:37,716 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:38,161 WARN L168 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 23 [2018-06-18 18:28:38,738 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:39,668 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:40,102 WARN L168 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 24 [2018-06-18 18:28:40,607 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:41,023 WARN L168 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 51 [2018-06-18 18:28:41,377 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:42,197 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:42,567 WARN L168 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 37 [2018-06-18 18:28:43,134 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:43,740 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:44,528 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:45,110 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:45,690 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:46,078 WARN L168 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 52 [2018-06-18 18:28:46,444 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:47,295 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:47,947 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:48,374 WARN L168 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 44 [2018-06-18 18:28:48,770 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:49,509 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:50,120 WARN L168 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 32 [2018-06-18 18:28:50,523 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:51,702 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:52,220 WARN L168 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 26 [2018-06-18 18:28:53,222 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 18:28:53,272 ERROR L253 erpolLogProxyWrapper]: Could not assert interpolant [2018-06-18 18:28:53,281 ERROR L253 erpolLogProxyWrapper]: Interpolant 1 not inductive: (Check returned sat) [2018-06-18 18:28:53,286 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Asserted terms must be closed at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.assertTerm(SMTInterpol.java:654) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:959) 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:402) 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-18 18:28:53,291 INFO L168 Benchmark]: Toolchain (without parser) took 41320.10 ms. Allocated memory was 308.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 258.2 MB in the beginning and 1.0 GB in the end (delta: -785.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-18 18:28:53,295 INFO L168 Benchmark]: SmtParser took 0.23 ms. Allocated memory is still 308.8 MB. Free memory is still 276.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 18:28:53,295 INFO L168 Benchmark]: TreeAutomizer took 41311.91 ms. Allocated memory was 308.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 258.2 MB in the beginning and 1.0 GB in the end (delta: -785.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-18 18:28:53,297 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.23 ms. Allocated memory is still 308.8 MB. Free memory is still 276.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 41311.91 ms. Allocated memory was 308.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 258.2 MB in the beginning and 1.0 GB in the end (delta: -785.8 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: Asserted terms must be closed de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: SMTLIBException: Asserted terms must be closed: de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.assertTerm(SMTInterpol.java:654) 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/tte_synchro.sm_cm_clock_distance.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-18_18-28-53-312.csv Received shutdown request...