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/faulty__ackermann!.smt2' -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:38:14,819 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:38:14,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:38:14,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:38:14,833 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:38:14,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:38:14,835 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:38:14,837 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:38:14,839 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:38:14,840 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:38:14,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:38:14,841 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:38:14,842 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:38:14,843 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:38:14,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:38:14,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:38:14,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:38:14,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:38:14,850 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:38:14,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:38:14,853 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:38:14,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:38:14,855 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:38:14,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:38:14,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:38:14,858 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:38:14,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:38:14,859 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:38:14,861 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:38:14,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:38:14,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:38:14,862 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:38:14,863 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:38:14,863 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:38:14,864 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:38:14,864 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:38:14,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:38:14,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:38:14,879 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:38:14,880 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:38:14,881 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:38:14,881 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:38:14,881 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:38:14,881 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:38:14,882 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:38:14,882 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:38:14,882 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:38:14,882 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:38:14,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:38:14,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:38:14,883 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:38:14,883 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:38:14,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:38:14,884 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:38:14,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:38:14,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:38:14,884 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:38:14,886 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:38:14,886 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:38:14,933 INFO ]: Repository-Root is: /tmp [2018-06-24 21:38:14,954 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:38:14,962 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:38:14,964 INFO ]: Initializing SmtParser... [2018-06-24 21:38:14,964 INFO ]: SmtParser initialized [2018-06-24 21:38:14,965 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/faulty__ackermann!.smt2 [2018-06-24 21:38:14,966 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 21:38:15,055 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/faulty__ackermann!.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@209ff94e [2018-06-24 21:38:15,442 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/faulty__ackermann!.smt2 [2018-06-24 21:38:15,447 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:38:15,460 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:38:15,460 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:38:15,461 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:38:15,461 INFO ]: ChcToBoogie initialized [2018-06-24 21:38:15,464 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:38:15" (1/1) ... [2018-06-24 21:38:15,546 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15 Unit [2018-06-24 21:38:15,546 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:38:15,547 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:38:15,547 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:38:15,547 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:38:15,569 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15" (1/1) ... [2018-06-24 21:38:15,569 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15" (1/1) ... [2018-06-24 21:38:15,577 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15" (1/1) ... [2018-06-24 21:38:15,578 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15" (1/1) ... [2018-06-24 21:38:15,589 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15" (1/1) ... [2018-06-24 21:38:15,594 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15" (1/1) ... [2018-06-24 21:38:15,596 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15" (1/1) ... [2018-06-24 21:38:15,600 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:38:15,600 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:38:15,600 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:38:15,600 INFO ]: RCFGBuilder initialized [2018-06-24 21:38:15,601 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15" (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 21:38:15,632 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:38:15,632 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:38:15,632 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:38:15,632 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:38:15,632 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:38:15,632 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 21:38:16,625 INFO ]: Using library mode [2018-06-24 21:38:16,625 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:38:16 BoogieIcfgContainer [2018-06-24 21:38:16,625 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:38:16,626 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:38:16,626 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:38:16,627 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:38:16,627 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:38:16" (1/1) ... [2018-06-24 21:38:16,661 INFO ]: Initial Icfg 75 locations, 159 edges [2018-06-24 21:38:16,663 INFO ]: Using Remove infeasible edges [2018-06-24 21:38:16,663 INFO ]: Using Maximize final states [2018-06-24 21:38:16,664 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:38:16,664 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:38:16,666 INFO ]: Using Remove sink states [2018-06-24 21:38:16,667 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:38:16,667 INFO ]: Using Use SBE [2018-06-24 21:38:16,725 INFO ]: SBE split 34 edges [2018-06-24 21:38:16,732 INFO ]: Removed 15 edges and 4 locations because of local infeasibility [2018-06-24 21:38:16,733 INFO ]: 0 new accepting states [2018-06-24 21:38:16,997 INFO ]: Removed 39 edges and 7 locations by large block encoding [2018-06-24 21:38:17,000 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:38:17,002 INFO ]: Removed 6 edges and 0 locations because of local infeasibility [2018-06-24 21:38:17,002 INFO ]: 0 new accepting states [2018-06-24 21:38:17,003 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:38:17,004 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:38:17,005 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:38:17,005 INFO ]: 0 new accepting states [2018-06-24 21:38:17,006 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:38:17,007 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:38:17,008 INFO ]: Encoded RCFG 64 locations, 189 edges [2018-06-24 21:38:17,008 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:38:17 BasicIcfg [2018-06-24 21:38:17,009 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:38:17,010 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:38:17,010 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:38:17,013 INFO ]: TraceAbstraction initialized [2018-06-24 21:38:17,013 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:38:15" (1/4) ... [2018-06-24 21:38:17,014 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5646f9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:38:17, skipping insertion in model container [2018-06-24 21:38:17,014 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:38:15" (2/4) ... [2018-06-24 21:38:17,014 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5646f9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:38:17, skipping insertion in model container [2018-06-24 21:38:17,014 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:38:16" (3/4) ... [2018-06-24 21:38:17,014 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5646f9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:38:17, skipping insertion in model container [2018-06-24 21:38:17,015 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:38:17" (4/4) ... [2018-06-24 21:38:17,016 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:38:17,025 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:38:17,032 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:38:17,077 INFO ]: Using default assertion order modulation [2018-06-24 21:38:17,077 INFO ]: Interprodecural is true [2018-06-24 21:38:17,078 INFO ]: Hoare is false [2018-06-24 21:38:17,078 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:38:17,078 INFO ]: Backedges is TWOTRACK [2018-06-24 21:38:17,078 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:38:17,078 INFO ]: Difference is false [2018-06-24 21:38:17,078 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:38:17,078 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:38:17,090 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_gotoSwitch_inInParam_2 1) (= v_gotoProc_gpav_1_IntInParam_2 (+ v_gotoProc_hbv_False_4_Int_21 (- 1))) (= v_gotoProc_gpav_4_IntInParam_2 0) (= v_gotoProc_gpav_3_IntInParam_2 0) (= v_gotoProc_gpav_5_IntInParam_2 0) (= v_gotoProc_gpav_0_IntInParam_2 v_gotoProc_hbv_False_2_Int_26) (= v_gotoProc_gpav_2_IntInParam_2 v_gotoProc_hbv_False_7_Int_11)) InVars {gotoProc_hbv_False_7_Int=v_gotoProc_hbv_False_7_Int_11, gotoProc_hbv_False_4_Int=v_gotoProc_hbv_False_4_Int_21, gotoProc_hbv_False_2_Int=v_gotoProc_hbv_False_2_Int_26} 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 21:38:17,092 INFO ]: Toolchain (without parser) took 1645.18 ms. Allocated memory is still 309.3 MB. Free memory was 257.9 MB in the beginning and 198.8 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 3.6 GB. [2018-06-24 21:38:17,094 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:38:17,095 INFO ]: ChcToBoogie took 85.84 ms. Allocated memory is still 309.3 MB. Free memory was 257.9 MB in the beginning and 254.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:38:17,095 INFO ]: Boogie Preprocessor took 52.94 ms. Allocated memory is still 309.3 MB. Free memory was 254.9 MB in the beginning and 252.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:38:17,096 INFO ]: RCFGBuilder took 1025.37 ms. Allocated memory is still 309.3 MB. Free memory was 252.9 MB in the beginning and 217.8 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 3.6 GB. [2018-06-24 21:38:17,096 INFO ]: BlockEncodingV2 took 382.67 ms. Allocated memory is still 309.3 MB. Free memory was 217.8 MB in the beginning and 203.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:38:17,097 INFO ]: TraceAbstraction took 81.70 ms. Allocated memory is still 309.3 MB. Free memory was 202.8 MB in the beginning and 198.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:38:17,100 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 75 locations, 159 edges - StatisticsResult: Encoded RCFG 64 locations, 189 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 85.84 ms. Allocated memory is still 309.3 MB. Free memory was 257.9 MB in the beginning and 254.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 52.94 ms. Allocated memory is still 309.3 MB. Free memory was 254.9 MB in the beginning and 252.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1025.37 ms. Allocated memory is still 309.3 MB. Free memory was 252.9 MB in the beginning and 217.8 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 382.67 ms. Allocated memory is still 309.3 MB. Free memory was 217.8 MB in the beginning and 203.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 81.70 ms. Allocated memory is still 309.3 MB. Free memory was 202.8 MB in the beginning and 198.8 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_gotoSwitch_inInParam_2 1) (= v_gotoProc_gpav_1_IntInParam_2 (+ v_gotoProc_hbv_False_4_Int_21 (- 1))) (= v_gotoProc_gpav_4_IntInParam_2 0) (= v_gotoProc_gpav_3_IntInParam_2 0) (= v_gotoProc_gpav_5_IntInParam_2 0) (= v_gotoProc_gpav_0_IntInParam_2 v_gotoProc_hbv_False_2_Int_26) (= v_gotoProc_gpav_2_IntInParam_2 v_gotoProc_hbv_False_7_Int_11)) InVars {gotoProc_hbv_False_7_Int=v_gotoProc_hbv_False_7_Int_11, gotoProc_hbv_False_4_Int=v_gotoProc_hbv_False_4_Int_21, gotoProc_hbv_False_2_Int=v_gotoProc_hbv_False_2_Int_26} 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_gotoSwitch_inInParam_2 1) (= v_gotoProc_gpav_1_IntInParam_2 (+ v_gotoProc_hbv_False_4_Int_21 (- 1))) (= v_gotoProc_gpav_4_IntInParam_2 0) (= v_gotoProc_gpav_3_IntInParam_2 0) (= v_gotoProc_gpav_5_IntInParam_2 0) (= v_gotoProc_gpav_0_IntInParam_2 v_gotoProc_hbv_False_2_Int_26) (= v_gotoProc_gpav_2_IntInParam_2 v_gotoProc_hbv_False_7_Int_11)) InVars {gotoProc_hbv_False_7_Int=v_gotoProc_hbv_False_7_Int_11, gotoProc_hbv_False_4_Int=v_gotoProc_hbv_False_4_Int_21, gotoProc_hbv_False_2_Int=v_gotoProc_hbv_False_2_Int_26} 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/faulty__ackermann!.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-38-17-118.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/faulty__ackermann!.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-38-17-118.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/faulty__ackermann!.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-38-17-118.csv Received shutdown request...