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 0.1.23-62c3406-m [2018-06-26 18:41:04,888 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 18:41:04,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 18:41:04,905 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 18:41:04,905 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 18:41:04,906 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 18:41:04,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 18:41:04,911 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 18:41:04,912 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 18:41:04,913 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 18:41:04,915 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 18:41:04,915 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 18:41:04,916 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 18:41:04,917 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 18:41:04,918 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 18:41:04,920 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 18:41:04,921 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 18:41:04,922 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 18:41:04,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 18:41:04,933 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 18:41:04,934 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 18:41:04,935 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 18:41:04,941 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 18:41:04,942 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 18:41:04,942 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 18:41:04,943 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 18:41:04,943 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 18:41:04,945 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 18:41:04,946 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 18:41:04,949 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 18:41:04,949 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 18:41:04,950 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 18:41:04,950 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 18:41:04,950 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 18:41:04,951 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 18:41:04,952 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 18:41:04,952 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 18:41:04,969 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 18:41:04,969 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 18:41:04,971 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 18:41:04,971 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 18:41:04,972 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 18:41:04,972 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 18:41:04,973 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 18:41:04,973 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 18:41:04,973 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 18:41:04,973 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 18:41:04,973 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 18:41:04,974 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 18:41:04,974 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 18:41:04,974 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 18:41:04,974 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 18:41:04,974 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 18:41:04,974 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 18:41:04,978 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 18:41:04,978 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 18:41:04,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 18:41:04,978 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 18:41:04,980 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 18:41:04,980 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 18:41:05,019 INFO ]: Repository-Root is: /tmp [2018-06-26 18:41:05,032 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 18:41:05,036 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 18:41:05,037 INFO ]: Initializing SmtParser... [2018-06-26 18:41:05,038 INFO ]: SmtParser initialized [2018-06-26 18:41:05,038 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/faulty__ackermann!.smt2 [2018-06-26 18:41:05,040 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 [2018-06-26 18:41:05,128 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@24d9cb34 [2018-06-26 18:41:05,533 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/faulty__ackermann!.smt2 [2018-06-26 18:41:05,537 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 18:41:05,546 INFO ]: Walking toolchain with 5 elements. [2018-06-26 18:41:05,547 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 18:41:05,547 INFO ]: Initializing ChcToBoogie... [2018-06-26 18:41:05,547 INFO ]: ChcToBoogie initialized [2018-06-26 18:41:05,550 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:41:05" (1/1) ... [2018-06-26 18:41:05,626 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05 Unit [2018-06-26 18:41:05,626 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 18:41:05,627 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 18:41:05,627 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 18:41:05,631 INFO ]: Boogie Preprocessor initialized [2018-06-26 18:41:05,651 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05" (1/1) ... [2018-06-26 18:41:05,651 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05" (1/1) ... [2018-06-26 18:41:05,661 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05" (1/1) ... [2018-06-26 18:41:05,661 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05" (1/1) ... [2018-06-26 18:41:05,672 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05" (1/1) ... [2018-06-26 18:41:05,677 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05" (1/1) ... [2018-06-26 18:41:05,679 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05" (1/1) ... [2018-06-26 18:41:05,682 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 18:41:05,683 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 18:41:05,683 INFO ]: Initializing RCFGBuilder... [2018-06-26 18:41:05,683 INFO ]: RCFGBuilder initialized [2018-06-26 18:41:05,684 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05" (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) [2018-06-26 18:41:05,696 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 18:41:05,696 INFO ]: Found specification of procedure gotoProc [2018-06-26 18:41:05,696 INFO ]: Found implementation of procedure gotoProc [2018-06-26 18:41:05,696 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 18:41:05,696 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 18:41:05,696 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 [2018-06-26 18:41:06,798 INFO ]: Using library mode [2018-06-26 18:41:06,798 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:41:06 BoogieIcfgContainer [2018-06-26 18:41:06,799 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 18:41:06,799 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 18:41:06,799 INFO ]: Initializing BlockEncodingV2... [2018-06-26 18:41:06,800 INFO ]: BlockEncodingV2 initialized [2018-06-26 18:41:06,801 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:41:06" (1/1) ... [2018-06-26 18:41:06,826 INFO ]: Initial Icfg 75 locations, 159 edges [2018-06-26 18:41:06,828 INFO ]: Using Remove infeasible edges [2018-06-26 18:41:06,828 INFO ]: Using Maximize final states [2018-06-26 18:41:06,829 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 18:41:06,829 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 18:41:06,833 INFO ]: Using Remove sink states [2018-06-26 18:41:06,834 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 18:41:06,834 INFO ]: Using Use SBE [2018-06-26 18:41:06,914 INFO ]: SBE split 34 edges [2018-06-26 18:41:06,920 INFO ]: Removed 15 edges and 4 locations because of local infeasibility [2018-06-26 18:41:06,922 INFO ]: 0 new accepting states [2018-06-26 18:41:07,309 INFO ]: Removed 39 edges and 7 locations by large block encoding [2018-06-26 18:41:07,311 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:41:07,313 INFO ]: Removed 6 edges and 0 locations because of local infeasibility [2018-06-26 18:41:07,314 INFO ]: 0 new accepting states [2018-06-26 18:41:07,315 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:41:07,315 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:41:07,317 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 18:41:07,317 INFO ]: 0 new accepting states [2018-06-26 18:41:07,318 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:41:07,318 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:41:07,320 INFO ]: Encoded RCFG 64 locations, 189 edges [2018-06-26 18:41:07,320 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:41:07 BasicIcfg [2018-06-26 18:41:07,320 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 18:41:07,321 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 18:41:07,321 INFO ]: Initializing TraceAbstraction... [2018-06-26 18:41:07,325 INFO ]: TraceAbstraction initialized [2018-06-26 18:41:07,325 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:41:05" (1/4) ... [2018-06-26 18:41:07,326 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1e2d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 06:41:07, skipping insertion in model container [2018-06-26 18:41:07,326 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:41:05" (2/4) ... [2018-06-26 18:41:07,326 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1e2d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 06:41:07, skipping insertion in model container [2018-06-26 18:41:07,326 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:41:06" (3/4) ... [2018-06-26 18:41:07,326 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1e2d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:41:07, skipping insertion in model container [2018-06-26 18:41:07,326 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:41:07" (4/4) ... [2018-06-26 18:41:07,328 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 18:41:07,337 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 18:41:07,344 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 18:41:07,382 INFO ]: Using default assertion order modulation [2018-06-26 18:41:07,383 INFO ]: Interprodecural is true [2018-06-26 18:41:07,383 INFO ]: Hoare is false [2018-06-26 18:41:07,383 INFO ]: Compute interpolants for FPandBP [2018-06-26 18:41:07,383 INFO ]: Backedges is TWOTRACK [2018-06-26 18:41:07,383 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 18:41:07,383 INFO ]: Difference is false [2018-06-26 18:41:07,383 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 18:41:07,383 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 18:41:07,397 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) [2018-06-26 18:41:07,400 INFO ]: Toolchain (without parser) took 1862.05 ms. Allocated memory is still 304.6 MB. Free memory was 252.9 MB in the beginning and 193.8 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 3.6 GB. [2018-06-26 18:41:07,402 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:41:07,402 INFO ]: ChcToBoogie took 79.41 ms. Allocated memory is still 304.6 MB. Free memory was 252.9 MB in the beginning and 249.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:41:07,403 INFO ]: Boogie Preprocessor took 55.83 ms. Allocated memory is still 304.6 MB. Free memory was 249.9 MB in the beginning and 248.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-26 18:41:07,404 INFO ]: RCFGBuilder took 1115.62 ms. Allocated memory is still 304.6 MB. Free memory was 247.9 MB in the beginning and 212.8 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 3.6 GB. [2018-06-26 18:41:07,404 INFO ]: BlockEncodingV2 took 521.25 ms. Allocated memory is still 304.6 MB. Free memory was 212.8 MB in the beginning and 197.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:41:07,405 INFO ]: TraceAbstraction took 77.76 ms. Allocated memory is still 304.6 MB. Free memory was 197.8 MB in the beginning and 193.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:41:07,410 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 0.07 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 79.41 ms. Allocated memory is still 304.6 MB. Free memory was 252.9 MB in the beginning and 249.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 55.83 ms. Allocated memory is still 304.6 MB. Free memory was 249.9 MB in the beginning and 248.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 1115.62 ms. Allocated memory is still 304.6 MB. Free memory was 247.9 MB in the beginning and 212.8 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 521.25 ms. Allocated memory is still 304.6 MB. Free memory was 212.8 MB in the beginning and 197.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 77.76 ms. Allocated memory is still 304.6 MB. Free memory was 197.8 MB in the beginning and 193.8 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-0-2018-06-26_18-41-07-428.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-1-2018-06-26_18-41-07-428.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-0-2018-06-26_18-41-07-428.csv Received shutdown request...