java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.28.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:36:32,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:36:32,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:36:32,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:36:32,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:36:32,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:36:32,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:36:32,253 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:36:32,254 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:36:32,256 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:36:32,257 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:36:32,257 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:36:32,258 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:36:32,259 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:36:32,261 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:36:32,262 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:36:32,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:36:32,274 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:36:32,275 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:36:32,276 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:36:32,277 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:36:32,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:36:32,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:36:32,280 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:36:32,281 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:36:32,282 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:36:32,283 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:36:32,284 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:36:32,285 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:36:32,285 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:36:32,286 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:36:32,286 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:36:32,287 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:36:32,287 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:36:32,293 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:36:32,293 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 10:36:32,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:36:32,313 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:36:32,313 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:36:32,313 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:36:32,314 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:36:32,314 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:36:32,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:36:32,315 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:36:32,315 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:36:32,315 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:36:32,315 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:36:32,315 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:36:32,316 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:36:32,319 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:36:32,319 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:36:32,319 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:36:32,319 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:36:32,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:36:32,320 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:36:32,321 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:36:32,321 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:36:32,373 INFO ]: Repository-Root is: /tmp [2018-06-22 10:36:32,384 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:36:32,387 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:36:32,389 INFO ]: Initializing SmtParser... [2018-06-22 10:36:32,389 INFO ]: SmtParser initialized [2018-06-22 10:36:32,390 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.28.smt2 [2018-06-22 10:36:32,391 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 [2018-06-22 10:36:32,484 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.28.smt2 unknown [2018-06-22 10:36:32,967 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.28.smt2 [2018-06-22 10:36:32,972 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:36:32,977 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:36:32,982 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:36:32,982 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:36:32,982 INFO ]: ChcToBoogie initialized [2018-06-22 10:36:32,985 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:36:32" (1/1) ... [2018-06-22 10:36:33,068 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33 Unit [2018-06-22 10:36:33,074 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:36:33,075 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:36:33,075 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:36:33,075 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:36:33,098 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33" (1/1) ... [2018-06-22 10:36:33,099 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33" (1/1) ... [2018-06-22 10:36:33,114 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33" (1/1) ... [2018-06-22 10:36:33,114 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33" (1/1) ... [2018-06-22 10:36:33,127 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33" (1/1) ... [2018-06-22 10:36:33,133 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33" (1/1) ... [2018-06-22 10:36:33,136 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33" (1/1) ... [2018-06-22 10:36:33,140 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:36:33,140 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:36:33,140 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:36:33,140 INFO ]: RCFGBuilder initialized [2018-06-22 10:36:33,141 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33" (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) [2018-06-22 10:36:33,154 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:36:33,154 INFO ]: Found specification of procedure False [2018-06-22 10:36:33,154 INFO ]: Found implementation of procedure False [2018-06-22 10:36:33,154 INFO ]: Specification and implementation of procedure combined_lturn__bar given in one single declaration [2018-06-22 10:36:33,154 INFO ]: Found specification of procedure combined_lturn__bar [2018-06-22 10:36:33,154 INFO ]: Found implementation of procedure combined_lturn__bar [2018-06-22 10:36:33,154 INFO ]: Specification and implementation of procedure lturn__bar given in one single declaration [2018-06-22 10:36:33,154 INFO ]: Found specification of procedure lturn__bar [2018-06-22 10:36:33,154 INFO ]: Found implementation of procedure lturn__bar [2018-06-22 10:36:33,154 INFO ]: Specification and implementation of procedure step_lturn__bar given in one single declaration [2018-06-22 10:36:33,154 INFO ]: Found specification of procedure step_lturn__bar [2018-06-22 10:36:33,154 INFO ]: Found implementation of procedure step_lturn__bar [2018-06-22 10:36:33,154 INFO ]: Specification and implementation of procedure step_lturn given in one single declaration [2018-06-22 10:36:33,154 INFO ]: Found specification of procedure step_lturn [2018-06-22 10:36:33,154 INFO ]: Found implementation of procedure step_lturn [2018-06-22 10:36:33,154 INFO ]: Specification and implementation of procedure combined_lturn given in one single declaration [2018-06-22 10:36:33,154 INFO ]: Found specification of procedure combined_lturn [2018-06-22 10:36:33,154 INFO ]: Found implementation of procedure combined_lturn [2018-06-22 10:36:33,154 INFO ]: Specification and implementation of procedure lturn given in one single declaration [2018-06-22 10:36:33,154 INFO ]: Found specification of procedure lturn [2018-06-22 10:36:33,154 INFO ]: Found implementation of procedure lturn [2018-06-22 10:36:33,155 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:36:33,155 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:36:33,155 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 [2018-06-22 10:36:34,176 INFO ]: Using library mode [2018-06-22 10:36:34,176 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:36:34 BoogieIcfgContainer [2018-06-22 10:36:34,176 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:36:34,178 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:36:34,178 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:36:34,181 INFO ]: TraceAbstraction initialized [2018-06-22 10:36:34,181 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:36:32" (1/3) ... [2018-06-22 10:36:34,182 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5302215f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:36:34, skipping insertion in model container [2018-06-22 10:36:34,182 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:33" (2/3) ... [2018-06-22 10:36:34,182 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5302215f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:36:34, skipping insertion in model container [2018-06-22 10:36:34,182 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:36:34" (3/3) ... [2018-06-22 10:36:34,184 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:36:34,193 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:36:34,202 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:36:34,246 INFO ]: Using default assertion order modulation [2018-06-22 10:36:34,246 INFO ]: Interprodecural is true [2018-06-22 10:36:34,247 INFO ]: Hoare is false [2018-06-22 10:36:34,247 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:36:34,247 INFO ]: Backedges is TWOTRACK [2018-06-22 10:36:34,247 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:36:34,247 INFO ]: Difference is false [2018-06-22 10:36:34,247 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:36:34,247 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:36:34,265 INFO ]: Start isEmpty. Operand 162 states. [2018-06-22 10:36:34,303 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:36:34,303 INFO ]: Found error trace [2018-06-22 10:36:34,305 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:34,305 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:34,310 INFO ]: Analyzing trace with hash 1672281041, now seen corresponding path program 1 times [2018-06-22 10:36:34,312 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:34,312 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:34,367 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:34,367 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:34,367 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:34,577 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:34,865 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:36:34,868 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:36:34,868 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:36:34,870 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:36:34,885 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:36:34,885 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:36:34,888 INFO ]: Start difference. First operand 162 states. Second operand 6 states. [2018-06-22 10:36:37,263 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:37,264 INFO ]: Finished difference Result 240 states and 624 transitions. [2018-06-22 10:36:37,264 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:36:37,265 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:36:37,265 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:37,290 INFO ]: With dead ends: 240 [2018-06-22 10:36:37,290 INFO ]: Without dead ends: 236 [2018-06-22 10:36:37,292 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:36:37,310 INFO ]: Start minimizeSevpa. Operand 236 states. [2018-06-22 10:36:37,446 INFO ]: Finished minimizeSevpa. Reduced states from 236 to 203. [2018-06-22 10:36:37,448 INFO ]: Start removeUnreachable. Operand 203 states. [2018-06-22 10:36:37,455 INFO ]: Finished removeUnreachable. Reduced from 203 states to 203 states and 530 transitions. [2018-06-22 10:36:37,456 INFO ]: Start accepts. Automaton has 203 states and 530 transitions. Word has length 17 [2018-06-22 10:36:37,457 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:36:37,457 INFO ]: Abstraction has 203 states and 530 transitions. [2018-06-22 10:36:37,457 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:36:37,457 INFO ]: Start isEmpty. Operand 203 states and 530 transitions. [2018-06-22 10:36:37,468 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:36:37,468 INFO ]: Found error trace [2018-06-22 10:36:37,468 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:37,468 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:37,468 INFO ]: Analyzing trace with hash 1848621801, now seen corresponding path program 1 times [2018-06-22 10:36:37,468 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:37,468 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:37,469 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:37,469 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:37,469 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:37,533 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:37,712 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:36:37,712 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:36:37,712 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 10:36:37,714 INFO ]: Interpolant automaton has 7 states [2018-06-22 10:36:37,714 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 10:36:37,714 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-22 10:36:37,714 INFO ]: Start difference. First operand 203 states and 530 transitions. Second operand 7 states. [2018-06-22 10:36:39,618 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:39,618 INFO ]: Finished difference Result 341 states and 1297 transitions. [2018-06-22 10:36:39,618 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 10:36:39,619 INFO ]: Start accepts. Automaton has 7 states. Word has length 21 [2018-06-22 10:36:39,619 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:39,631 INFO ]: With dead ends: 341 [2018-06-22 10:36:39,631 INFO ]: Without dead ends: 340 [2018-06-22 10:36:39,632 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-22 10:36:39,633 INFO ]: Start minimizeSevpa. Operand 340 states. [2018-06-22 10:36:39,774 INFO ]: Finished minimizeSevpa. Reduced states from 340 to 328. [2018-06-22 10:36:39,774 INFO ]: Start removeUnreachable. Operand 328 states. [2018-06-22 10:36:39,781 INFO ]: Finished removeUnreachable. Reduced from 328 states to 328 states and 1247 transitions. [2018-06-22 10:36:39,781 INFO ]: Start accepts. Automaton has 328 states and 1247 transitions. Word has length 21 [2018-06-22 10:36:39,781 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:36:39,781 INFO ]: Abstraction has 328 states and 1247 transitions. [2018-06-22 10:36:39,782 INFO ]: Interpolant automaton has 7 states. [2018-06-22 10:36:39,782 INFO ]: Start isEmpty. Operand 328 states and 1247 transitions. [2018-06-22 10:36:39,789 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:36:39,789 INFO ]: Found error trace [2018-06-22 10:36:39,789 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:39,789 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:39,789 INFO ]: Analyzing trace with hash 1677460021, now seen corresponding path program 1 times [2018-06-22 10:36:39,789 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:39,789 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:39,790 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:39,790 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:39,790 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:39,816 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:40,433 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 10:36:40,433 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:36:40,433 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:36:40,444 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:40,519 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:40,533 INFO ]: Computing forward predicates... [2018-06-22 10:36:40,952 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 10:36:40,985 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:36:40,985 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-06-22 10:36:40,986 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:36:40,986 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:36:40,986 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:36:40,986 INFO ]: Start difference. First operand 328 states and 1247 transitions. Second operand 14 states. [2018-06-22 10:36:48,605 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:48,605 INFO ]: Finished difference Result 774 states and 5398 transitions. [2018-06-22 10:36:48,606 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-06-22 10:36:48,606 INFO ]: Start accepts. Automaton has 14 states. Word has length 25 [2018-06-22 10:36:48,606 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:48,680 INFO ]: With dead ends: 774 [2018-06-22 10:36:48,680 INFO ]: Without dead ends: 774 [2018-06-22 10:36:48,681 INFO ]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2018-06-22 10:36:48,682 INFO ]: Start minimizeSevpa. Operand 774 states. [2018-06-22 10:36:49,315 INFO ]: Finished minimizeSevpa. Reduced states from 774 to 744. [2018-06-22 10:36:49,315 INFO ]: Start removeUnreachable. Operand 744 states. [2018-06-22 10:36:49,346 INFO ]: Finished removeUnreachable. Reduced from 744 states to 744 states and 5199 transitions. [2018-06-22 10:36:49,346 INFO ]: Start accepts. Automaton has 744 states and 5199 transitions. Word has length 25 [2018-06-22 10:36:49,346 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:36:49,346 INFO ]: Abstraction has 744 states and 5199 transitions. [2018-06-22 10:36:49,346 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:36:49,346 INFO ]: Start isEmpty. Operand 744 states and 5199 transitions. [2018-06-22 10:36:49,360 INFO ]: Finished isEmpty. Found accepting run of length 30 [2018-06-22 10:36:49,360 INFO ]: Found error trace [2018-06-22 10:36:49,360 INFO ]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:49,360 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:49,362 INFO ]: Analyzing trace with hash 96591647, now seen corresponding path program 1 times [2018-06-22 10:36:49,362 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:49,362 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:49,363 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:49,363 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:49,363 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:49,413 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:49,813 INFO ]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-06-22 10:36:49,814 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:36:49,814 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:36:49,828 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:49,879 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:49,889 INFO ]: Computing forward predicates... [2018-06-22 10:36:50,078 INFO ]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-06-22 10:36:50,098 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:36:50,098 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2018-06-22 10:36:50,098 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:36:50,098 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:36:50,098 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:36:50,098 INFO ]: Start difference. First operand 744 states and 5199 transitions. Second operand 14 states. [2018-06-22 10:36:56,394 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:56,394 INFO ]: Finished difference Result 1197 states and 16766 transitions. [2018-06-22 10:36:56,395 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-06-22 10:36:56,395 INFO ]: Start accepts. Automaton has 14 states. Word has length 29 [2018-06-22 10:36:56,395 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:56,543 INFO ]: With dead ends: 1197 [2018-06-22 10:36:56,543 INFO ]: Without dead ends: 1197 [2018-06-22 10:36:56,544 INFO ]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2018-06-22 10:36:56,546 INFO ]: Start minimizeSevpa. Operand 1197 states. [2018-06-22 10:36:58,701 INFO ]: Finished minimizeSevpa. Reduced states from 1197 to 1157. [2018-06-22 10:36:58,701 INFO ]: Start removeUnreachable. Operand 1157 states. [2018-06-22 10:36:58,784 INFO ]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 16465 transitions. [2018-06-22 10:36:58,784 INFO ]: Start accepts. Automaton has 1157 states and 16465 transitions. Word has length 29 [2018-06-22 10:36:58,784 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:36:58,784 INFO ]: Abstraction has 1157 states and 16465 transitions. [2018-06-22 10:36:58,784 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:36:58,784 INFO ]: Start isEmpty. Operand 1157 states and 16465 transitions. [2018-06-22 10:36:58,799 INFO ]: Finished isEmpty. Found accepting run of length 30 [2018-06-22 10:36:58,799 INFO ]: Found error trace [2018-06-22 10:36:58,799 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:58,799 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:58,800 INFO ]: Analyzing trace with hash -904790271, now seen corresponding path program 2 times [2018-06-22 10:36:58,800 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:58,800 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:58,800 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:58,800 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:58,800 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:58,828 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:59,040 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:36:59,040 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:36:59,040 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:36:59,045 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 10:36:59,092 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 10:36:59,092 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:59,095 INFO ]: Computing forward predicates... [2018-06-22 10:36:59,220 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:36:59,241 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:36:59,241 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2018-06-22 10:36:59,241 INFO ]: Interpolant automaton has 16 states [2018-06-22 10:36:59,241 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 10:36:59,241 INFO ]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:36:59,241 INFO ]: Start difference. First operand 1157 states and 16465 transitions. Second operand 16 states. [2018-06-22 10:37:13,217 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:37:13,217 INFO ]: Finished difference Result 3913 states and 153690 transitions. [2018-06-22 10:37:13,218 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-06-22 10:37:13,218 INFO ]: Start accepts. Automaton has 16 states. Word has length 29 [2018-06-22 10:37:13,218 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:37:14,362 INFO ]: With dead ends: 3913 [2018-06-22 10:37:14,362 INFO ]: Without dead ends: 3913 [2018-06-22 10:37:14,363 INFO ]: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=772, Unknown=0, NotChecked=0, Total=870 [2018-06-22 10:37:14,406 INFO ]: Start minimizeSevpa. Operand 3913 states. Received shutdown request... [2018-06-22 10:37:36,859 WARN ]: Verification canceled [2018-06-22 10:37:36,863 WARN ]: Timeout [2018-06-22 10:37:36,863 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:37:36 BoogieIcfgContainer [2018-06-22 10:37:36,863 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:37:36,863 INFO ]: Toolchain (without parser) took 63890.83 ms. Allocated memory was 308.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 251.4 MB in the beginning and 528.4 MB in the end (delta: -277.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 10:37:36,865 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:37:36,865 INFO ]: ChcToBoogie took 92.64 ms. Allocated memory is still 308.8 MB. Free memory was 250.4 MB in the beginning and 247.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:37:36,865 INFO ]: Boogie Preprocessor took 65.09 ms. Allocated memory is still 308.8 MB. Free memory was 247.4 MB in the beginning and 245.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:37:36,865 INFO ]: RCFGBuilder took 1035.90 ms. Allocated memory is still 308.8 MB. Free memory was 245.3 MB in the beginning and 199.1 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 3.6 GB. [2018-06-22 10:37:36,866 INFO ]: TraceAbstraction took 62685.29 ms. Allocated memory was 308.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 198.1 MB in the beginning and 528.4 MB in the end (delta: -330.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 10:37:36,869 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 92.64 ms. Allocated memory is still 308.8 MB. Free memory was 250.4 MB in the beginning and 247.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.09 ms. Allocated memory is still 308.8 MB. Free memory was 247.4 MB in the beginning and 245.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1035.90 ms. Allocated memory is still 308.8 MB. Free memory was 245.3 MB in the beginning and 199.1 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 62685.29 ms. Allocated memory was 308.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 198.1 MB in the beginning and 528.4 MB in the end (delta: -330.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 162 locations, 1 error locations. TIMEOUT Result, 62.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 33.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1860 SDtfs, 130 SDslu, 15416 SDs, 0 SdLazy, 34012 SolverSat, 1875 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1157occurred 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: 25.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 115 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 13536 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1326 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 24/52 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham.28.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-37-36-881.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham.28.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-37-36-881.csv Completed graceful shutdown