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/hopv/lia/termination/x_plus_2_pow_n04.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:30:23,030 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:30:23,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:30:23,045 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:30:23,045 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:30:23,046 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:30:23,047 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:30:23,049 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:30:23,051 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:30:23,051 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:30:23,052 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:30:23,052 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:30:23,053 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:30:23,054 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:30:23,055 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:30:23,055 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:30:23,057 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:30:23,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:30:23,061 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:30:23,062 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:30:23,063 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:30:23,065 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:30:23,065 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:30:23,066 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:30:23,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:30:23,068 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:30:23,068 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:30:23,069 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:30:23,070 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:30:23,070 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:30:23,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:30:23,072 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:30:23,072 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:30:23,073 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:30:23,074 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:30:23,074 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:30:23,087 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:30:23,088 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:30:23,088 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:30:23,088 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:30:23,089 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:30:23,089 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:30:23,090 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:30:23,090 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:30:23,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:30:23,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:30:23,091 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:30:23,091 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:30:23,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:30:23,091 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:30:23,091 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:30:23,092 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:30:23,092 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:30:23,092 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:30:23,092 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:30:23,092 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:30:23,093 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:30:23,094 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:30:23,094 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:30:23,148 INFO ]: Repository-Root is: /tmp [2018-06-24 21:30:23,167 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:30:23,170 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:30:23,172 INFO ]: Initializing SmtParser... [2018-06-24 21:30:23,172 INFO ]: SmtParser initialized [2018-06-24 21:30:23,173 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/x_plus_2_pow_n04.smt2 [2018-06-24 21:30:23,177 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 21:30:23,269 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/x_plus_2_pow_n04.smt2 unknown [2018-06-24 21:30:23,685 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/x_plus_2_pow_n04.smt2 [2018-06-24 21:30:23,690 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:30:23,696 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:30:23,696 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:30:23,696 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:30:23,696 INFO ]: ChcToBoogie initialized [2018-06-24 21:30:23,699 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:30:23" (1/1) ... [2018-06-24 21:30:23,760 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23 Unit [2018-06-24 21:30:23,760 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:30:23,761 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:30:23,761 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:30:23,761 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:30:23,780 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23" (1/1) ... [2018-06-24 21:30:23,780 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23" (1/1) ... [2018-06-24 21:30:23,788 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23" (1/1) ... [2018-06-24 21:30:23,788 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23" (1/1) ... [2018-06-24 21:30:23,794 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23" (1/1) ... [2018-06-24 21:30:23,807 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23" (1/1) ... [2018-06-24 21:30:23,808 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23" (1/1) ... [2018-06-24 21:30:23,810 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:30:23,811 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:30:23,811 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:30:23,811 INFO ]: RCFGBuilder initialized [2018-06-24 21:30:23,812 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23" (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 21:30:23,832 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:30:23,832 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:30:23,833 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:30:23,833 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:30:23,833 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:30:23,833 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 21:30:24,188 INFO ]: Using library mode [2018-06-24 21:30:24,188 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:30:24 BoogieIcfgContainer [2018-06-24 21:30:24,188 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:30:24,189 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:30:24,189 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:30:24,190 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:30:24,191 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:30:24" (1/1) ... [2018-06-24 21:30:24,207 INFO ]: Initial Icfg 23 locations, 32 edges [2018-06-24 21:30:24,209 INFO ]: Using Remove infeasible edges [2018-06-24 21:30:24,209 INFO ]: Using Maximize final states [2018-06-24 21:30:24,210 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:30:24,210 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:30:24,212 INFO ]: Using Remove sink states [2018-06-24 21:30:24,213 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:30:24,213 INFO ]: Using Use SBE [2018-06-24 21:30:24,250 INFO ]: SBE split 2 edges [2018-06-24 21:30:24,256 INFO ]: Removed 4 edges and 2 locations because of local infeasibility [2018-06-24 21:30:24,258 INFO ]: 0 new accepting states [2018-06-24 21:30:24,502 INFO ]: Removed 29 edges and 8 locations by large block encoding [2018-06-24 21:30:24,505 INFO ]: Removed 1 edges and 1 locations by removing sink states [2018-06-24 21:30:24,507 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:30:24,507 INFO ]: 0 new accepting states [2018-06-24 21:30:24,507 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:30:24,507 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:30:24,507 INFO ]: Encoded RCFG 12 locations, 25 edges [2018-06-24 21:30:24,508 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:30:24 BasicIcfg [2018-06-24 21:30:24,508 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:30:24,510 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:30:24,510 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:30:24,514 INFO ]: TraceAbstraction initialized [2018-06-24 21:30:24,514 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:30:23" (1/4) ... [2018-06-24 21:30:24,515 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be51f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:30:24, skipping insertion in model container [2018-06-24 21:30:24,515 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:30:23" (2/4) ... [2018-06-24 21:30:24,516 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be51f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:30:24, skipping insertion in model container [2018-06-24 21:30:24,516 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:30:24" (3/4) ... [2018-06-24 21:30:24,516 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be51f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:30:24, skipping insertion in model container [2018-06-24 21:30:24,516 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:30:24" (4/4) ... [2018-06-24 21:30:24,518 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:30:24,530 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:30:24,538 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:30:24,593 INFO ]: Using default assertion order modulation [2018-06-24 21:30:24,593 INFO ]: Interprodecural is true [2018-06-24 21:30:24,593 INFO ]: Hoare is false [2018-06-24 21:30:24,593 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:30:24,593 INFO ]: Backedges is TWOTRACK [2018-06-24 21:30:24,593 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:30:24,593 INFO ]: Difference is false [2018-06-24 21:30:24,593 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:30:24,593 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:30:24,608 INFO ]: Start isEmpty. Operand 12 states. [2018-06-24 21:30:24,625 INFO ]: Finished isEmpty. Found accepting run of length 5 [2018-06-24 21:30:24,625 INFO ]: Found error trace [2018-06-24 21:30:24,626 INFO ]: trace histogram [1, 1, 1, 1] [2018-06-24 21:30:24,627 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:30:24,632 INFO ]: Analyzing trace with hash 1330049, now seen corresponding path program 1 times [2018-06-24 21:30:24,633 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:30:24,633 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:30:24,666 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:24,666 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:30:24,666 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:24,706 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:30:24,779 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:30:24,781 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:30:24,781 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:30:24,782 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:30:24,792 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:30:24,793 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:30:24,795 INFO ]: Start difference. First operand 12 states. Second operand 3 states. [2018-06-24 21:30:24,965 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:30:24,965 INFO ]: Finished difference Result 21 states and 46 transitions. [2018-06-24 21:30:24,966 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:30:24,967 INFO ]: Start accepts. Automaton has 3 states. Word has length 4 [2018-06-24 21:30:24,967 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:30:24,975 INFO ]: With dead ends: 21 [2018-06-24 21:30:24,975 INFO ]: Without dead ends: 13 [2018-06-24 21:30:24,977 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:30:24,995 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-24 21:30:25,019 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-24 21:30:25,022 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-24 21:30:25,022 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 26 transitions. [2018-06-24 21:30:25,024 INFO ]: Start accepts. Automaton has 13 states and 26 transitions. Word has length 4 [2018-06-24 21:30:25,025 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:30:25,025 INFO ]: Abstraction has 13 states and 26 transitions. [2018-06-24 21:30:25,025 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:30:25,026 INFO ]: Start isEmpty. Operand 13 states and 26 transitions. [2018-06-24 21:30:25,027 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:30:25,027 INFO ]: Found error trace [2018-06-24 21:30:25,027 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:30:25,027 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:30:25,027 INFO ]: Analyzing trace with hash 41189446, now seen corresponding path program 1 times [2018-06-24 21:30:25,027 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:30:25,027 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:30:25,028 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:25,028 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:30:25,028 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:25,046 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:30:25,127 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:30:25,127 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:30:25,128 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:30:25,129 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:30:25,129 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:30:25,129 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:30:25,129 INFO ]: Start difference. First operand 13 states and 26 transitions. Second operand 3 states. [2018-06-24 21:30:25,350 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:30:25,350 INFO ]: Finished difference Result 17 states and 32 transitions. [2018-06-24 21:30:25,352 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:30:25,352 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:30:25,352 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:30:25,352 INFO ]: With dead ends: 17 [2018-06-24 21:30:25,352 INFO ]: Without dead ends: 13 [2018-06-24 21:30:25,353 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:30:25,353 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-24 21:30:25,355 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-24 21:30:25,355 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-24 21:30:25,356 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 25 transitions. [2018-06-24 21:30:25,358 INFO ]: Start accepts. Automaton has 13 states and 25 transitions. Word has length 5 [2018-06-24 21:30:25,358 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:30:25,359 INFO ]: Abstraction has 13 states and 25 transitions. [2018-06-24 21:30:25,359 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:30:25,359 INFO ]: Start isEmpty. Operand 13 states and 25 transitions. [2018-06-24 21:30:25,359 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:30:25,359 INFO ]: Found error trace [2018-06-24 21:30:25,359 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:30:25,359 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:30:25,359 INFO ]: Analyzing trace with hash 41308610, now seen corresponding path program 1 times [2018-06-24 21:30:25,359 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:30:25,359 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:30:25,360 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:25,360 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:30:25,360 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:25,388 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:30:25,456 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:30:25,456 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:30:25,456 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:30:25,456 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:30:25,456 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:30:25,456 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:30:25,456 INFO ]: Start difference. First operand 13 states and 25 transitions. Second operand 3 states. [2018-06-24 21:30:25,520 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:30:25,520 INFO ]: Finished difference Result 15 states and 25 transitions. [2018-06-24 21:30:25,520 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:30:25,520 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:30:25,520 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:30:25,521 INFO ]: With dead ends: 15 [2018-06-24 21:30:25,521 INFO ]: Without dead ends: 13 [2018-06-24 21:30:25,521 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:30:25,521 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-24 21:30:25,523 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-24 21:30:25,523 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-24 21:30:25,524 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 21 transitions. [2018-06-24 21:30:25,524 INFO ]: Start accepts. Automaton has 13 states and 21 transitions. Word has length 5 [2018-06-24 21:30:25,524 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:30:25,524 INFO ]: Abstraction has 13 states and 21 transitions. [2018-06-24 21:30:25,524 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:30:25,524 INFO ]: Start isEmpty. Operand 13 states and 21 transitions. [2018-06-24 21:30:25,524 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:30:25,524 INFO ]: Found error trace [2018-06-24 21:30:25,524 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:30:25,524 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:30:25,525 INFO ]: Analyzing trace with hash 41338401, now seen corresponding path program 1 times [2018-06-24 21:30:25,525 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:30:25,525 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:30:25,527 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:25,527 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:30:25,527 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:25,543 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:30:25,615 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:30:25,615 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:30:25,615 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:30:25,615 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:30:25,616 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:30:25,616 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:30:25,616 INFO ]: Start difference. First operand 13 states and 21 transitions. Second operand 3 states. [2018-06-24 21:30:25,723 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:30:25,724 INFO ]: Finished difference Result 19 states and 31 transitions. [2018-06-24 21:30:25,724 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:30:25,724 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:30:25,724 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:30:25,725 INFO ]: With dead ends: 19 [2018-06-24 21:30:25,725 INFO ]: Without dead ends: 19 [2018-06-24 21:30:25,725 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:30:25,725 INFO ]: Start minimizeSevpa. Operand 19 states. [2018-06-24 21:30:25,733 INFO ]: Finished minimizeSevpa. Reduced states from 19 to 15. [2018-06-24 21:30:25,733 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-24 21:30:25,733 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 23 transitions. [2018-06-24 21:30:25,733 INFO ]: Start accepts. Automaton has 15 states and 23 transitions. Word has length 5 [2018-06-24 21:30:25,734 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:30:25,734 INFO ]: Abstraction has 15 states and 23 transitions. [2018-06-24 21:30:25,734 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:30:25,734 INFO ]: Start isEmpty. Operand 15 states and 23 transitions. [2018-06-24 21:30:25,734 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-24 21:30:25,734 INFO ]: Found error trace [2018-06-24 21:30:25,734 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 21:30:25,734 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:30:25,734 INFO ]: Analyzing trace with hash -300508993, now seen corresponding path program 1 times [2018-06-24 21:30:25,734 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:30:25,734 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:30:25,735 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:25,735 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:30:25,735 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:30:25,767 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:30:26,074 INFO ]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-24 21:30:26,074 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:30:26,074 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-24 21:30:26,075 INFO ]: Interpolant automaton has 4 states [2018-06-24 21:30:26,075 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-24 21:30:26,075 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-24 21:30:26,075 INFO ]: Start difference. First operand 15 states and 23 transitions. Second operand 4 states. [2018-06-24 21:30:26,276 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:30:26,276 INFO ]: Finished difference Result 15 states and 23 transitions. [2018-06-24 21:30:26,276 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-24 21:30:26,276 INFO ]: Start accepts. Automaton has 4 states. Word has length 10 [2018-06-24 21:30:26,276 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:30:26,277 INFO ]: With dead ends: 15 [2018-06-24 21:30:26,277 INFO ]: Without dead ends: 0 [2018-06-24 21:30:26,277 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-24 21:30:26,277 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-24 21:30:26,277 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-24 21:30:26,277 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-24 21:30:26,277 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-24 21:30:26,277 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-06-24 21:30:26,277 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:30:26,277 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-24 21:30:26,277 INFO ]: Interpolant automaton has 4 states. [2018-06-24 21:30:26,277 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-24 21:30:26,277 INFO ]: Finished isEmpty. No accepting run. [2018-06-24 21:30:26,280 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 21:30:26,281 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:30:26 BasicIcfg [2018-06-24 21:30:26,281 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 21:30:26,282 INFO ]: Toolchain (without parser) took 2591.63 ms. Allocated memory was 302.0 MB in the beginning and 324.5 MB in the end (delta: 22.5 MB). Free memory was 246.6 MB in the beginning and 272.4 MB in the end (delta: -25.8 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:30:26,284 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 302.0 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:30:26,284 INFO ]: ChcToBoogie took 64.35 ms. Allocated memory is still 302.0 MB. Free memory was 246.6 MB in the beginning and 243.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:30:26,288 INFO ]: Boogie Preprocessor took 49.50 ms. Allocated memory is still 302.0 MB. Free memory was 243.6 MB in the beginning and 242.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-24 21:30:26,289 INFO ]: RCFGBuilder took 377.57 ms. Allocated memory is still 302.0 MB. Free memory was 242.6 MB in the beginning and 228.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:30:26,289 INFO ]: BlockEncodingV2 took 318.75 ms. Allocated memory is still 302.0 MB. Free memory was 228.5 MB in the beginning and 215.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:30:26,289 INFO ]: TraceAbstraction took 1771.11 ms. Allocated memory was 302.0 MB in the beginning and 324.5 MB in the end (delta: 22.5 MB). Free memory was 215.5 MB in the beginning and 272.4 MB in the end (delta: -56.8 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:30:26,292 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 23 locations, 32 edges - StatisticsResult: Encoded RCFG 12 locations, 25 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 302.0 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 64.35 ms. Allocated memory is still 302.0 MB. Free memory was 246.6 MB in the beginning and 243.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 49.50 ms. Allocated memory is still 302.0 MB. Free memory was 243.6 MB in the beginning and 242.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 377.57 ms. Allocated memory is still 302.0 MB. Free memory was 242.6 MB in the beginning and 228.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 318.75 ms. Allocated memory is still 302.0 MB. Free memory was 228.5 MB in the beginning and 215.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1771.11 ms. Allocated memory was 302.0 MB in the beginning and 324.5 MB in the end (delta: 22.5 MB). Free memory was 215.5 MB in the beginning and 272.4 MB in the end (delta: -56.8 MB). There was no memory consumed. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 82 SDtfs, 21 SDslu, 45 SDs, 0 SdLazy, 54 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 492 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/x_plus_2_pow_n04.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-30-26-304.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/x_plus_2_pow_n04.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-30-26-304.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/x_plus_2_pow_n04.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-30-26-304.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/x_plus_2_pow_n04.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_21-30-26-304.csv Received shutdown request...