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/eldarica-misc/LIA/Consistency/graham-scan-full.31.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 20:28:55,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 20:28:55,883 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 20:28:55,896 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 20:28:55,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 20:28:55,899 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 20:28:55,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 20:28:55,902 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 20:28:55,903 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 20:28:55,904 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 20:28:55,905 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 20:28:55,905 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 20:28:55,906 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 20:28:55,909 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 20:28:55,910 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 20:28:55,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 20:28:55,912 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 20:28:55,914 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 20:28:55,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 20:28:55,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 20:28:55,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 20:28:55,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 20:28:55,921 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 20:28:55,921 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 20:28:55,922 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 20:28:55,923 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 20:28:55,924 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 20:28:55,924 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 20:28:55,926 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 20:28:55,926 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 20:28:55,927 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 20:28:55,927 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 20:28:55,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 20:28:55,928 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 20:28:55,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 20:28:55,929 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 20:28:55,944 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 20:28:55,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 20:28:55,944 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 20:28:55,945 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 20:28:55,946 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 20:28:55,946 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 20:28:55,946 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 20:28:55,946 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 20:28:55,947 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 20:28:55,947 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 20:28:55,947 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 20:28:55,947 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 20:28:55,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 20:28:55,948 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 20:28:55,948 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 20:28:55,948 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 20:28:55,948 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 20:28:55,949 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 20:28:55,949 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 20:28:55,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 20:28:55,949 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 20:28:55,950 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 20:28:55,951 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 20:28:55,999 INFO ]: Repository-Root is: /tmp [2018-06-24 20:28:56,015 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 20:28:56,019 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 20:28:56,020 INFO ]: Initializing SmtParser... [2018-06-24 20:28:56,020 INFO ]: SmtParser initialized [2018-06-24 20:28:56,021 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.31.smt2 [2018-06-24 20:28:56,022 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 20:28:56,114 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.31.smt2 unknown [2018-06-24 20:28:56,618 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.31.smt2 [2018-06-24 20:28:56,623 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 20:28:56,629 INFO ]: Walking toolchain with 5 elements. [2018-06-24 20:28:56,629 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 20:28:56,629 INFO ]: Initializing ChcToBoogie... [2018-06-24 20:28:56,629 INFO ]: ChcToBoogie initialized [2018-06-24 20:28:56,637 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 08:28:56" (1/1) ... [2018-06-24 20:28:56,755 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56 Unit [2018-06-24 20:28:56,755 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 20:28:56,755 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 20:28:56,755 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 20:28:56,755 INFO ]: Boogie Preprocessor initialized [2018-06-24 20:28:56,776 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56" (1/1) ... [2018-06-24 20:28:56,776 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56" (1/1) ... [2018-06-24 20:28:56,796 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56" (1/1) ... [2018-06-24 20:28:56,796 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56" (1/1) ... [2018-06-24 20:28:56,827 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56" (1/1) ... [2018-06-24 20:28:56,831 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56" (1/1) ... [2018-06-24 20:28:56,837 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56" (1/1) ... [2018-06-24 20:28:56,841 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 20:28:56,842 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 20:28:56,842 INFO ]: Initializing RCFGBuilder... [2018-06-24 20:28:56,842 INFO ]: RCFGBuilder initialized [2018-06-24 20:28:56,843 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56" (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 20:28:56,867 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 20:28:56,867 INFO ]: Found specification of procedure gotoProc [2018-06-24 20:28:56,867 INFO ]: Found implementation of procedure gotoProc [2018-06-24 20:28:56,867 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 20:28:56,867 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 20:28:56,867 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 20:28:58,389 INFO ]: Using library mode [2018-06-24 20:28:58,389 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:28:58 BoogieIcfgContainer [2018-06-24 20:28:58,390 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 20:28:58,390 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 20:28:58,390 INFO ]: Initializing BlockEncodingV2... [2018-06-24 20:28:58,392 INFO ]: BlockEncodingV2 initialized [2018-06-24 20:28:58,393 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:28:58" (1/1) ... [2018-06-24 20:28:58,441 INFO ]: Initial Icfg 145 locations, 280 edges [2018-06-24 20:28:58,443 INFO ]: Using Remove infeasible edges [2018-06-24 20:28:58,443 INFO ]: Using Maximize final states [2018-06-24 20:28:58,444 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 20:28:58,444 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 20:28:58,448 INFO ]: Using Remove sink states [2018-06-24 20:28:58,449 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 20:28:58,449 INFO ]: Using Use SBE [2018-06-24 20:28:58,467 INFO ]: SBE split 0 edges [2018-06-24 20:28:58,473 INFO ]: Removed 4 edges and 2 locations because of local infeasibility [2018-06-24 20:28:58,475 INFO ]: 0 new accepting states [2018-06-24 20:28:59,041 INFO ]: Removed 41 edges and 6 locations by large block encoding [2018-06-24 20:28:59,046 INFO ]: Removed 7 edges and 4 locations by removing sink states [2018-06-24 20:28:59,050 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 20:28:59,050 INFO ]: 0 new accepting states [2018-06-24 20:28:59,052 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 20:28:59,056 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 20:28:59,058 INFO ]: Encoded RCFG 133 locations, 263 edges [2018-06-24 20:28:59,058 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 08:28:59 BasicIcfg [2018-06-24 20:28:59,058 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 20:28:59,061 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 20:28:59,061 INFO ]: Initializing TraceAbstraction... [2018-06-24 20:28:59,065 INFO ]: TraceAbstraction initialized [2018-06-24 20:28:59,065 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 08:28:56" (1/4) ... [2018-06-24 20:28:59,066 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69af220f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 08:28:59, skipping insertion in model container [2018-06-24 20:28:59,066 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:28:56" (2/4) ... [2018-06-24 20:28:59,066 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69af220f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 08:28:59, skipping insertion in model container [2018-06-24 20:28:59,066 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:28:58" (3/4) ... [2018-06-24 20:28:59,066 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69af220f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:28:59, skipping insertion in model container [2018-06-24 20:28:59,066 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 08:28:59" (4/4) ... [2018-06-24 20:28:59,071 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 20:28:59,081 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 20:28:59,098 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 20:28:59,142 INFO ]: Using default assertion order modulation [2018-06-24 20:28:59,143 INFO ]: Interprodecural is true [2018-06-24 20:28:59,143 INFO ]: Hoare is false [2018-06-24 20:28:59,143 INFO ]: Compute interpolants for FPandBP [2018-06-24 20:28:59,143 INFO ]: Backedges is TWOTRACK [2018-06-24 20:28:59,143 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 20:28:59,143 INFO ]: Difference is false [2018-06-24 20:28:59,143 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 20:28:59,143 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 20:28:59,164 INFO ]: Start isEmpty. Operand 133 states. [2018-06-24 20:28:59,232 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 20:28:59,237 INFO ]: Found error trace [2018-06-24 20:28:59,238 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 20:28:59,238 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:28:59,244 INFO ]: Analyzing trace with hash 175777641, now seen corresponding path program 1 times [2018-06-24 20:28:59,246 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:28:59,247 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:28:59,295 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:28:59,295 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:28:59,295 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:28:59,384 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:28:59,608 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 20:28:59,610 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 20:28:59,610 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 20:28:59,612 INFO ]: Interpolant automaton has 3 states [2018-06-24 20:28:59,627 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 20:28:59,627 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 20:28:59,631 INFO ]: Start difference. First operand 133 states. Second operand 3 states. [2018-06-24 20:29:01,761 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 20:29:01,761 INFO ]: Finished difference Result 263 states and 522 transitions. [2018-06-24 20:29:01,762 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 20:29:01,763 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 20:29:01,763 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 20:29:01,807 INFO ]: With dead ends: 263 [2018-06-24 20:29:01,807 INFO ]: Without dead ends: 259 [2018-06-24 20:29:01,809 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 20:29:01,828 INFO ]: Start minimizeSevpa. Operand 259 states. [2018-06-24 20:29:01,967 INFO ]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-06-24 20:29:01,968 INFO ]: Start removeUnreachable. Operand 259 states. [2018-06-24 20:29:02,002 INFO ]: Finished removeUnreachable. Reduced from 259 states to 259 states and 514 transitions. [2018-06-24 20:29:02,004 INFO ]: Start accepts. Automaton has 259 states and 514 transitions. Word has length 5 [2018-06-24 20:29:02,005 INFO ]: Finished accepts. word is rejected. [2018-06-24 20:29:02,005 INFO ]: Abstraction has 259 states and 514 transitions. [2018-06-24 20:29:02,005 INFO ]: Interpolant automaton has 3 states. [2018-06-24 20:29:02,005 INFO ]: Start isEmpty. Operand 259 states and 514 transitions. [2018-06-24 20:29:02,016 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 20:29:02,016 INFO ]: Found error trace [2018-06-24 20:29:02,017 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 20:29:02,017 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:29:02,017 INFO ]: Analyzing trace with hash 175879507, now seen corresponding path program 1 times [2018-06-24 20:29:02,017 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:29:02,017 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:29:02,018 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:29:02,018 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:29:02,018 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:29:02,040 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:29:02,138 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 20:29:02,138 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 20:29:02,138 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 20:29:02,139 INFO ]: Interpolant automaton has 3 states [2018-06-24 20:29:02,140 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 20:29:02,140 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 20:29:02,140 INFO ]: Start difference. First operand 259 states and 514 transitions. Second operand 3 states. [2018-06-24 20:29:03,469 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 20:29:03,469 INFO ]: Finished difference Result 387 states and 770 transitions. [2018-06-24 20:29:03,469 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 20:29:03,469 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 20:29:03,469 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 20:29:03,493 INFO ]: With dead ends: 387 [2018-06-24 20:29:03,493 INFO ]: Without dead ends: 387 [2018-06-24 20:29:03,494 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 20:29:03,495 INFO ]: Start minimizeSevpa. Operand 387 states. [2018-06-24 20:29:03,560 INFO ]: Finished minimizeSevpa. Reduced states from 387 to 387. [2018-06-24 20:29:03,560 INFO ]: Start removeUnreachable. Operand 387 states. [2018-06-24 20:29:03,584 INFO ]: Finished removeUnreachable. Reduced from 387 states to 387 states and 770 transitions. [2018-06-24 20:29:03,584 INFO ]: Start accepts. Automaton has 387 states and 770 transitions. Word has length 5 [2018-06-24 20:29:03,584 INFO ]: Finished accepts. word is rejected. [2018-06-24 20:29:03,584 INFO ]: Abstraction has 387 states and 770 transitions. [2018-06-24 20:29:03,584 INFO ]: Interpolant automaton has 3 states. [2018-06-24 20:29:03,584 INFO ]: Start isEmpty. Operand 387 states and 770 transitions. [2018-06-24 20:29:03,625 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-24 20:29:03,625 INFO ]: Found error trace [2018-06-24 20:29:03,625 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 20:29:03,625 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:29:03,625 INFO ]: Analyzing trace with hash 330892957, now seen corresponding path program 1 times [2018-06-24 20:29:03,625 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:29:03,625 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:29:03,626 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:29:03,626 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:29:03,626 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:29:03,682 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:29:04,111 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-24 20:29:04,111 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 20:29:04,111 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-24 20:29:04,111 INFO ]: Interpolant automaton has 6 states [2018-06-24 20:29:04,111 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-24 20:29:04,112 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-24 20:29:04,112 INFO ]: Start difference. First operand 387 states and 770 transitions. Second operand 6 states. [2018-06-24 20:29:11,053 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 20:29:11,053 INFO ]: Finished difference Result 1364 states and 5073 transitions. [2018-06-24 20:29:11,054 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-24 20:29:11,054 INFO ]: Start accepts. Automaton has 6 states. Word has length 10 [2018-06-24 20:29:11,054 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 20:29:11,378 INFO ]: With dead ends: 1364 [2018-06-24 20:29:11,378 INFO ]: Without dead ends: 1364 [2018-06-24 20:29:11,379 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-06-24 20:29:11,380 INFO ]: Start minimizeSevpa. Operand 1364 states. [2018-06-24 20:29:11,901 INFO ]: Finished minimizeSevpa. Reduced states from 1364 to 763. [2018-06-24 20:29:11,901 INFO ]: Start removeUnreachable. Operand 763 states. [2018-06-24 20:29:11,948 INFO ]: Finished removeUnreachable. Reduced from 763 states to 763 states and 2014 transitions. [2018-06-24 20:29:11,948 INFO ]: Start accepts. Automaton has 763 states and 2014 transitions. Word has length 10 [2018-06-24 20:29:11,949 INFO ]: Finished accepts. word is rejected. [2018-06-24 20:29:11,949 INFO ]: Abstraction has 763 states and 2014 transitions. [2018-06-24 20:29:11,949 INFO ]: Interpolant automaton has 6 states. [2018-06-24 20:29:11,949 INFO ]: Start isEmpty. Operand 763 states and 2014 transitions. [2018-06-24 20:29:11,999 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-24 20:29:11,999 INFO ]: Found error trace [2018-06-24 20:29:11,999 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 20:29:11,999 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:29:12,000 INFO ]: Analyzing trace with hash -400564284, now seen corresponding path program 1 times [2018-06-24 20:29:12,000 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:29:12,000 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:29:12,000 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:29:12,000 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:29:12,000 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:29:12,047 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:29:12,443 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-24 20:29:12,443 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 20:29:12,443 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-24 20:29:12,443 INFO ]: Interpolant automaton has 6 states [2018-06-24 20:29:12,443 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-24 20:29:12,443 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-24 20:29:12,444 INFO ]: Start difference. First operand 763 states and 2014 transitions. Second operand 6 states. [2018-06-24 20:29:16,536 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 20:29:16,536 INFO ]: Finished difference Result 1887 states and 7436 transitions. [2018-06-24 20:29:16,537 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-24 20:29:16,537 INFO ]: Start accepts. Automaton has 6 states. Word has length 10 [2018-06-24 20:29:16,537 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 20:29:16,781 INFO ]: With dead ends: 1887 [2018-06-24 20:29:16,781 INFO ]: Without dead ends: 1666 [2018-06-24 20:29:16,782 INFO ]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-06-24 20:29:16,783 INFO ]: Start minimizeSevpa. Operand 1666 states. [2018-06-24 20:29:17,350 INFO ]: Finished minimizeSevpa. Reduced states from 1666 to 1011. [2018-06-24 20:29:17,350 INFO ]: Start removeUnreachable. Operand 1011 states. [2018-06-24 20:29:17,406 INFO ]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 2887 transitions. [2018-06-24 20:29:17,406 INFO ]: Start accepts. Automaton has 1011 states and 2887 transitions. Word has length 10 [2018-06-24 20:29:17,407 INFO ]: Finished accepts. word is rejected. [2018-06-24 20:29:17,407 INFO ]: Abstraction has 1011 states and 2887 transitions. [2018-06-24 20:29:17,407 INFO ]: Interpolant automaton has 6 states. [2018-06-24 20:29:17,407 INFO ]: Start isEmpty. Operand 1011 states and 2887 transitions. [2018-06-24 20:29:17,455 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-24 20:29:17,455 INFO ]: Found error trace [2018-06-24 20:29:17,455 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 20:29:17,455 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:29:17,455 INFO ]: Analyzing trace with hash 216780717, now seen corresponding path program 1 times [2018-06-24 20:29:17,455 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:29:17,456 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:29:17,457 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:29:17,457 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:29:17,457 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:29:17,489 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:29:17,740 WARN ]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2018-06-24 20:29:17,790 INFO ]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-24 20:29:17,790 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-24 20:29:17,790 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 [2018-06-24 20:29:17,796 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:29:17,848 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:29:17,856 INFO ]: Computing forward predicates... [2018-06-24 20:29:18,022 INFO ]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-24 20:29:18,052 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-24 20:29:18,052 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-06-24 20:29:18,053 INFO ]: Interpolant automaton has 12 states [2018-06-24 20:29:18,053 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-24 20:29:18,053 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-24 20:29:18,053 INFO ]: Start difference. First operand 1011 states and 2887 transitions. Second operand 12 states. [2018-06-24 20:29:18,444 WARN ]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 Received shutdown request... [2018-06-24 20:29:55,828 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-06-24 20:29:55,828 WARN ]: Verification canceled [2018-06-24 20:29:55,831 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 20:29:55,832 WARN ]: Timeout [2018-06-24 20:29:55,832 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:29:55 BasicIcfg [2018-06-24 20:29:55,832 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 20:29:55,834 INFO ]: Toolchain (without parser) took 59209.30 ms. Allocated memory was 309.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 246.7 MB in the beginning and 367.7 MB in the end (delta: -121.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-24 20:29:55,834 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 20:29:55,835 INFO ]: ChcToBoogie took 125.94 ms. Allocated memory is still 309.3 MB. Free memory was 246.7 MB in the beginning and 241.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-24 20:29:55,835 INFO ]: Boogie Preprocessor took 85.74 ms. Allocated memory is still 309.3 MB. Free memory was 241.7 MB in the beginning and 239.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-24 20:29:55,836 INFO ]: RCFGBuilder took 1547.97 ms. Allocated memory was 309.3 MB in the beginning and 324.5 MB in the end (delta: 15.2 MB). Free memory was 239.6 MB in the beginning and 274.3 MB in the end (delta: -34.7 MB). Peak memory consumption was 57.4 MB. Max. memory is 3.6 GB. [2018-06-24 20:29:55,836 INFO ]: BlockEncodingV2 took 668.18 ms. Allocated memory is still 324.5 MB. Free memory was 274.3 MB in the beginning and 246.7 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 3.6 GB. [2018-06-24 20:29:55,837 INFO ]: TraceAbstraction took 56770.85 ms. Allocated memory was 324.5 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 246.7 MB in the beginning and 367.7 MB in the end (delta: -121.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-24 20:29:55,840 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 145 locations, 280 edges - StatisticsResult: Encoded RCFG 133 locations, 263 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 125.94 ms. Allocated memory is still 309.3 MB. Free memory was 246.7 MB in the beginning and 241.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 85.74 ms. Allocated memory is still 309.3 MB. Free memory was 241.7 MB in the beginning and 239.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1547.97 ms. Allocated memory was 309.3 MB in the beginning and 324.5 MB in the end (delta: 15.2 MB). Free memory was 239.6 MB in the beginning and 274.3 MB in the end (delta: -34.7 MB). Peak memory consumption was 57.4 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 668.18 ms. Allocated memory is still 324.5 MB. Free memory was 274.3 MB in the beginning and 246.7 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 3.6 GB. * TraceAbstraction took 56770.85 ms. Allocated memory was 324.5 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 246.7 MB in the beginning and 367.7 MB in the end (delta: -121.0 MB). Peak memory consumption was 1.2 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 Cancelled while BasicCegarLoop was constructing difference of abstraction (1011states) and interpolant automaton (currently 93 states, 12 states before enhancement), while ReachableStatesComputation was computing reachable states (8323 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 133 locations, 1 error locations. TIMEOUT Result, 56.7s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 52.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5238 SDtfs, 1295 SDslu, 13269 SDs, 0 SdLazy, 44089 SolverSat, 11683 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3350 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1011occurred 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: 1.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 1256 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 770 SizeOfPredicates, 4 NumberOfNonLiveVariables, 462 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 8/10 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-scan-full.31.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_20-29-55-851.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan-full.31.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_20-29-55-851.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan-full.31.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_20-29-55-851.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan-full.31.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_20-29-55-851.csv Completed graceful shutdown