java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/llreve-bench/smt2/rec__ackermann.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:59:04,205 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:59:04,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:59:04,222 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:59:04,222 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:59:04,223 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:59:04,227 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:59:04,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:59:04,231 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:59:04,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:59:04,234 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:59:04,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:59:04,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:59:04,239 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:59:04,240 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:59:04,241 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:59:04,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:59:04,256 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:59:04,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:59:04,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:59:04,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:59:04,262 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:59:04,262 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:59:04,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:59:04,267 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:59:04,268 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:59:04,269 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:59:04,269 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:59:04,270 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:59:04,271 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:59:04,277 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:59:04,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:59:04,278 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:59:04,279 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:59:04,279 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:59:04,279 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:59:04,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:59:04,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:59:04,303 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:59:04,303 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:59:04,304 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:59:04,304 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:59:04,305 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:59:04,305 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:59:04,305 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:59:04,305 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:59:04,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:59:04,306 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:59:04,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:59:04,306 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:59:04,306 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:59:04,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:59:04,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:59:04,307 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:59:04,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:59:04,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:59:04,307 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:59:04,309 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:59:04,309 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:59:04,354 INFO ]: Repository-Root is: /tmp [2018-06-24 21:59:04,370 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:59:04,377 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:59:04,378 INFO ]: Initializing SmtParser... [2018-06-24 21:59:04,378 INFO ]: SmtParser initialized [2018-06-24 21:59:04,379 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/rec__ackermann.smt2 [2018-06-24 21:59:04,380 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-24 21:59:04,465 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/rec__ackermann.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@26824a48 [2018-06-24 21:59:04,839 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/rec__ackermann.smt2 [2018-06-24 21:59:04,843 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:59:04,848 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:59:04,849 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:59:04,849 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:59:04,849 INFO ]: ChcToBoogie initialized [2018-06-24 21:59:04,852 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:59:04" (1/1) ... [2018-06-24 21:59:04,915 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04 Unit [2018-06-24 21:59:04,915 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:59:04,916 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:59:04,916 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:59:04,916 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:59:04,936 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04" (1/1) ... [2018-06-24 21:59:04,936 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04" (1/1) ... [2018-06-24 21:59:04,953 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04" (1/1) ... [2018-06-24 21:59:04,953 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04" (1/1) ... [2018-06-24 21:59:04,976 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04" (1/1) ... [2018-06-24 21:59:04,980 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04" (1/1) ... [2018-06-24 21:59:04,985 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04" (1/1) ... [2018-06-24 21:59:04,988 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:59:04,988 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:59:04,989 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:59:04,989 INFO ]: RCFGBuilder initialized [2018-06-24 21:59:04,989 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-24 21:59:04,999 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:59:04,999 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:59:04,999 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:59:04,999 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:59:05,000 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:59:05,000 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:59:06,162 INFO ]: Using library mode [2018-06-24 21:59:06,166 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:59:06 BoogieIcfgContainer [2018-06-24 21:59:06,166 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:59:06,166 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:59:06,166 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:59:06,167 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:59:06,168 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:59:06" (1/1) ... [2018-06-24 21:59:06,199 INFO ]: Initial Icfg 75 locations, 159 edges [2018-06-24 21:59:06,201 INFO ]: Using Remove infeasible edges [2018-06-24 21:59:06,201 INFO ]: Using Maximize final states [2018-06-24 21:59:06,202 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:59:06,202 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:59:06,207 INFO ]: Using Remove sink states [2018-06-24 21:59:06,208 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:59:06,208 INFO ]: Using Use SBE [2018-06-24 21:59:06,274 INFO ]: SBE split 28 edges [2018-06-24 21:59:06,287 INFO ]: Removed 23 edges and 6 locations because of local infeasibility [2018-06-24 21:59:06,289 INFO ]: 0 new accepting states [2018-06-24 21:59:06,473 INFO ]: Removed 27 edges and 7 locations by large block encoding [2018-06-24 21:59:06,475 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:59:06,477 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:59:06,478 INFO ]: 0 new accepting states [2018-06-24 21:59:06,479 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:59:06,479 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:59:06,480 INFO ]: Encoded RCFG 62 locations, 175 edges [2018-06-24 21:59:06,481 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:59:06 BasicIcfg [2018-06-24 21:59:06,481 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:59:06,482 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:59:06,482 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:59:06,485 INFO ]: TraceAbstraction initialized [2018-06-24 21:59:06,485 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:59:04" (1/4) ... [2018-06-24 21:59:06,486 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3f1bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:59:06, skipping insertion in model container [2018-06-24 21:59:06,486 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:59:04" (2/4) ... [2018-06-24 21:59:06,487 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3f1bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:59:06, skipping insertion in model container [2018-06-24 21:59:06,487 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:59:06" (3/4) ... [2018-06-24 21:59:06,487 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3f1bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:59:06, skipping insertion in model container [2018-06-24 21:59:06,487 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:59:06" (4/4) ... [2018-06-24 21:59:06,488 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:59:06,496 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:59:06,504 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:59:06,542 INFO ]: Using default assertion order modulation [2018-06-24 21:59:06,543 INFO ]: Interprodecural is true [2018-06-24 21:59:06,543 INFO ]: Hoare is false [2018-06-24 21:59:06,543 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:59:06,543 INFO ]: Backedges is TWOTRACK [2018-06-24 21:59:06,543 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:59:06,543 INFO ]: Difference is false [2018-06-24 21:59:06,543 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:59:06,543 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:59:06,555 FATAL]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Cannot add [143] gotoProcEXIT-->L0'''''''''''''''': AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (and (= v_gotoProc_gpav_2_IntInParam_2 v_gotoProc_hbv_False_5_Int_23) (= v_gotoProc_gotoSwitch_inInParam_2 4) (= v_gotoProc_gpav_0_IntInParam_2 (+ v_gotoProc_hbv_False_1_Int_29 (- 1))) (= v_gotoProc_gpav_4_IntInParam_2 0) (= v_gotoProc_gpav_1_IntInParam_2 v_gotoProc_hbv_False_6_Int_19) (= v_gotoProc_gpav_3_IntInParam_2 0) (= v_gotoProc_gpav_5_IntInParam_2 0)) InVars {gotoProc_hbv_False_1_Int=v_gotoProc_hbv_False_1_Int_29, gotoProc_hbv_False_5_Int=v_gotoProc_hbv_False_5_Int_23, gotoProc_hbv_False_6_Int=v_gotoProc_hbv_False_6_Int_19} OutVars{gotoProc_gpav_5_Int=v_gotoProc_gpav_5_IntInParam_2, gotoProc_gpav_2_Int=v_gotoProc_gpav_2_IntInParam_2, gotoProc_gpav_4_Int=v_gotoProc_gpav_4_IntInParam_2, gotoProc_gotoSwitch_in=v_gotoProc_gotoSwitch_inInParam_2, gotoProc_gpav_0_Int=v_gotoProc_gpav_0_IntInParam_2, gotoProc_gpav_1_Int=v_gotoProc_gpav_1_IntInParam_2, gotoProc_gpav_3_Int=v_gotoProc_gpav_3_IntInParam_2} AuxVars[] AssignedVars[gotoProc_gpav_5_Int, gotoProc_gpav_2_Int, gotoProc_gpav_4_Int, gotoProc_gotoSwitch_in, gotoProc_gpav_0_Int, gotoProc_gpav_1_Int, gotoProc_gpav_3_Int], missing callerNode null at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2018-06-24 21:59:06,559 INFO ]: Toolchain (without parser) took 1714.19 ms. Allocated memory is still 308.3 MB. Free memory was 256.7 MB in the beginning and 201.6 MB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 3.6 GB. [2018-06-24 21:59:06,561 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:59:06,561 INFO ]: ChcToBoogie took 66.23 ms. Allocated memory is still 308.3 MB. Free memory was 256.7 MB in the beginning and 253.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:59:06,562 INFO ]: Boogie Preprocessor took 72.48 ms. Allocated memory is still 308.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:59:06,562 INFO ]: RCFGBuilder took 1177.21 ms. Allocated memory is still 308.3 MB. Free memory was 251.7 MB in the beginning and 217.6 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 3.6 GB. [2018-06-24 21:59:06,564 INFO ]: BlockEncodingV2 took 314.71 ms. Allocated memory is still 308.3 MB. Free memory was 217.6 MB in the beginning and 206.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:59:06,565 INFO ]: TraceAbstraction took 74.89 ms. Allocated memory is still 308.3 MB. Free memory was 205.6 MB in the beginning and 201.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:59:06,570 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 75 locations, 159 edges - StatisticsResult: Encoded RCFG 62 locations, 175 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 66.23 ms. Allocated memory is still 308.3 MB. Free memory was 256.7 MB in the beginning and 253.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.48 ms. Allocated memory is still 308.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1177.21 ms. Allocated memory is still 308.3 MB. Free memory was 251.7 MB in the beginning and 217.6 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 314.71 ms. Allocated memory is still 308.3 MB. Free memory was 217.6 MB in the beginning and 206.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74.89 ms. Allocated memory is still 308.3 MB. Free memory was 205.6 MB in the beginning and 201.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Cannot add [143] gotoProcEXIT-->L0'''''''''''''''': AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (and (= v_gotoProc_gpav_2_IntInParam_2 v_gotoProc_hbv_False_5_Int_23) (= v_gotoProc_gotoSwitch_inInParam_2 4) (= v_gotoProc_gpav_0_IntInParam_2 (+ v_gotoProc_hbv_False_1_Int_29 (- 1))) (= v_gotoProc_gpav_4_IntInParam_2 0) (= v_gotoProc_gpav_1_IntInParam_2 v_gotoProc_hbv_False_6_Int_19) (= v_gotoProc_gpav_3_IntInParam_2 0) (= v_gotoProc_gpav_5_IntInParam_2 0)) InVars {gotoProc_hbv_False_1_Int=v_gotoProc_hbv_False_1_Int_29, gotoProc_hbv_False_5_Int=v_gotoProc_hbv_False_5_Int_23, gotoProc_hbv_False_6_Int=v_gotoProc_hbv_False_6_Int_19} OutVars{gotoProc_gpav_5_Int=v_gotoProc_gpav_5_IntInParam_2, gotoProc_gpav_2_Int=v_gotoProc_gpav_2_IntInParam_2, gotoProc_gpav_4_Int=v_gotoProc_gpav_4_IntInParam_2, gotoProc_gotoSwitch_in=v_gotoProc_gotoSwitch_inInParam_2, gotoProc_gpav_0_Int=v_gotoProc_gpav_0_IntInParam_2, gotoProc_gpav_1_Int=v_gotoProc_gpav_1_IntInParam_2, gotoProc_gpav_3_Int=v_gotoProc_gpav_3_IntInParam_2} AuxVars[] AssignedVars[gotoProc_gpav_5_Int, gotoProc_gpav_2_Int, gotoProc_gpav_4_Int, gotoProc_gotoSwitch_in, gotoProc_gpav_0_Int, gotoProc_gpav_1_Int, gotoProc_gpav_3_Int], missing callerNode null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Cannot add [143] gotoProcEXIT-->L0'''''''''''''''': AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (and (= v_gotoProc_gpav_2_IntInParam_2 v_gotoProc_hbv_False_5_Int_23) (= v_gotoProc_gotoSwitch_inInParam_2 4) (= v_gotoProc_gpav_0_IntInParam_2 (+ v_gotoProc_hbv_False_1_Int_29 (- 1))) (= v_gotoProc_gpav_4_IntInParam_2 0) (= v_gotoProc_gpav_1_IntInParam_2 v_gotoProc_hbv_False_6_Int_19) (= v_gotoProc_gpav_3_IntInParam_2 0) (= v_gotoProc_gpav_5_IntInParam_2 0)) InVars {gotoProc_hbv_False_1_Int=v_gotoProc_hbv_False_1_Int_29, gotoProc_hbv_False_5_Int=v_gotoProc_hbv_False_5_Int_23, gotoProc_hbv_False_6_Int=v_gotoProc_hbv_False_6_Int_19} OutVars{gotoProc_gpav_5_Int=v_gotoProc_gpav_5_IntInParam_2, gotoProc_gpav_2_Int=v_gotoProc_gpav_2_IntInParam_2, gotoProc_gpav_4_Int=v_gotoProc_gpav_4_IntInParam_2, gotoProc_gotoSwitch_in=v_gotoProc_gotoSwitch_inInParam_2, gotoProc_gpav_0_Int=v_gotoProc_gpav_0_IntInParam_2, gotoProc_gpav_1_Int=v_gotoProc_gpav_1_IntInParam_2, gotoProc_gpav_3_Int=v_gotoProc_gpav_3_IntInParam_2} AuxVars[] AssignedVars[gotoProc_gpav_5_Int, gotoProc_gpav_2_Int, gotoProc_gpav_4_Int, gotoProc_gotoSwitch_in, gotoProc_gpav_0_Int, gotoProc_gpav_1_Int, gotoProc_gpav_3_Int], missing callerNode null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:194) 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/rec__ackermann.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-59-06-592.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rec__ackermann.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-59-06-592.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rec__ackermann.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-59-06-592.csv Received shutdown request...