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/vmt-chc-benchmarks/ctigar/swim.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 22:01:25,256 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 22:01:25,258 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 22:01:25,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 22:01:25,272 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 22:01:25,273 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 22:01:25,274 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 22:01:25,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 22:01:25,279 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 22:01:25,280 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 22:01:25,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 22:01:25,282 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 22:01:25,283 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 22:01:25,283 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 22:01:25,287 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 22:01:25,287 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 22:01:25,288 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 22:01:25,290 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 22:01:25,299 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 22:01:25,300 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 22:01:25,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 22:01:25,302 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 22:01:25,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 22:01:25,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 22:01:25,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 22:01:25,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 22:01:25,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 22:01:25,312 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 22:01:25,313 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 22:01:25,314 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 22:01:25,314 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 22:01:25,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 22:01:25,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 22:01:25,315 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 22:01:25,315 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 22:01:25,316 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 22:01:25,316 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 22:01:25,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 22:01:25,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 22:01:25,332 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 22:01:25,332 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 22:01:25,333 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 22:01:25,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 22:01:25,333 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 22:01:25,333 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 22:01:25,334 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 22:01:25,334 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 22:01:25,334 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 22:01:25,334 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 22:01:25,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 22:01:25,335 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 22:01:25,335 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 22:01:25,335 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 22:01:25,335 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 22:01:25,335 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 22:01:25,335 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 22:01:25,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 22:01:25,336 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 22:01:25,340 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 22:01:25,341 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 22:01:25,379 INFO ]: Repository-Root is: /tmp [2018-06-26 22:01:25,395 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 22:01:25,402 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 22:01:25,404 INFO ]: Initializing SmtParser... [2018-06-26 22:01:25,404 INFO ]: SmtParser initialized [2018-06-26 22:01:25,404 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/swim.c.smt2 [2018-06-26 22:01:25,405 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-26 22:01:25,491 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/swim.c.smt2 unknown [2018-06-26 22:01:26,056 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/swim.c.smt2 [2018-06-26 22:01:26,061 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 22:01:26,069 INFO ]: Walking toolchain with 5 elements. [2018-06-26 22:01:26,069 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 22:01:26,069 INFO ]: Initializing ChcToBoogie... [2018-06-26 22:01:26,070 INFO ]: ChcToBoogie initialized [2018-06-26 22:01:26,073 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 10:01:26" (1/1) ... [2018-06-26 22:01:26,142 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26 Unit [2018-06-26 22:01:26,142 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 22:01:26,143 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 22:01:26,143 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 22:01:26,143 INFO ]: Boogie Preprocessor initialized [2018-06-26 22:01:26,165 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26" (1/1) ... [2018-06-26 22:01:26,165 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26" (1/1) ... [2018-06-26 22:01:26,183 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26" (1/1) ... [2018-06-26 22:01:26,183 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26" (1/1) ... [2018-06-26 22:01:26,203 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26" (1/1) ... [2018-06-26 22:01:26,211 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26" (1/1) ... [2018-06-26 22:01:26,214 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26" (1/1) ... [2018-06-26 22:01:26,217 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 22:01:26,218 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 22:01:26,218 INFO ]: Initializing RCFGBuilder... [2018-06-26 22:01:26,218 INFO ]: RCFGBuilder initialized [2018-06-26 22:01:26,219 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-26 22:01:26,233 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 22:01:26,233 INFO ]: Found specification of procedure gotoProc [2018-06-26 22:01:26,233 INFO ]: Found implementation of procedure gotoProc [2018-06-26 22:01:26,233 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 22:01:26,233 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 22:01:26,233 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 22:01:26,632 INFO ]: Using library mode [2018-06-26 22:01:26,633 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 10:01:26 BoogieIcfgContainer [2018-06-26 22:01:26,633 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 22:01:26,633 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 22:01:26,633 INFO ]: Initializing BlockEncodingV2... [2018-06-26 22:01:26,634 INFO ]: BlockEncodingV2 initialized [2018-06-26 22:01:26,635 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 10:01:26" (1/1) ... [2018-06-26 22:01:26,649 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-26 22:01:26,656 INFO ]: Using Remove infeasible edges [2018-06-26 22:01:26,657 INFO ]: Using Maximize final states [2018-06-26 22:01:26,657 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 22:01:26,657 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 22:01:26,659 INFO ]: Using Remove sink states [2018-06-26 22:01:26,660 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 22:01:26,660 INFO ]: Using Use SBE [2018-06-26 22:01:26,669 WARN ]: expecting exponential blowup for input size 8 [2018-06-26 22:01:26,768 WARN ]: aborting because of expected exponential blowup for input size 128 [2018-06-26 22:01:26,786 WARN ]: aborting because of expected exponential blowup for input size 128 [2018-06-26 22:01:26,786 INFO ]: SBE split 1 edges [2018-06-26 22:01:26,793 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-26 22:01:26,796 INFO ]: 0 new accepting states [2018-06-26 22:01:27,031 INFO ]: Removed 14 edges and 2 locations by large block encoding [2018-06-26 22:01:27,033 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 22:01:27,035 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 22:01:27,035 INFO ]: 0 new accepting states [2018-06-26 22:01:27,035 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 22:01:27,035 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 22:01:27,035 INFO ]: Encoded RCFG 6 locations, 16 edges [2018-06-26 22:01:27,036 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 10:01:27 BasicIcfg [2018-06-26 22:01:27,036 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 22:01:27,037 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 22:01:27,037 INFO ]: Initializing TraceAbstraction... [2018-06-26 22:01:27,040 INFO ]: TraceAbstraction initialized [2018-06-26 22:01:27,040 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 10:01:26" (1/4) ... [2018-06-26 22:01:27,041 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f772ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 10:01:27, skipping insertion in model container [2018-06-26 22:01:27,041 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:01:26" (2/4) ... [2018-06-26 22:01:27,041 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f772ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 10:01:27, skipping insertion in model container [2018-06-26 22:01:27,041 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 10:01:26" (3/4) ... [2018-06-26 22:01:27,042 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f772ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 10:01:27, skipping insertion in model container [2018-06-26 22:01:27,042 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 10:01:27" (4/4) ... [2018-06-26 22:01:27,043 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 22:01:27,064 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 22:01:27,074 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 22:01:27,125 INFO ]: Using default assertion order modulation [2018-06-26 22:01:27,125 INFO ]: Interprodecural is true [2018-06-26 22:01:27,125 INFO ]: Hoare is false [2018-06-26 22:01:27,125 INFO ]: Compute interpolants for FPandBP [2018-06-26 22:01:27,125 INFO ]: Backedges is TWOTRACK [2018-06-26 22:01:27,125 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 22:01:27,125 INFO ]: Difference is false [2018-06-26 22:01:27,125 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 22:01:27,125 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 22:01:27,141 INFO ]: Start isEmpty. Operand 6 states. [2018-06-26 22:01:27,155 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 22:01:27,155 INFO ]: Found error trace [2018-06-26 22:01:27,155 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 22:01:27,156 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:01:27,161 INFO ]: Analyzing trace with hash 35750444, now seen corresponding path program 1 times [2018-06-26 22:01:27,163 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:01:27,164 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:01:27,212 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:27,212 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:01:27,212 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:27,256 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:27,363 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:27,366 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 22:01:27,366 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 22:01:27,368 INFO ]: Interpolant automaton has 3 states [2018-06-26 22:01:27,380 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 22:01:27,380 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 22:01:27,383 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-26 22:01:27,597 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:01:27,597 INFO ]: Finished difference Result 7 states and 17 transitions. [2018-06-26 22:01:27,598 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 22:01:27,599 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 22:01:27,599 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:01:27,607 INFO ]: With dead ends: 7 [2018-06-26 22:01:27,608 INFO ]: Without dead ends: 7 [2018-06-26 22:01:27,609 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 [2018-06-26 22:01:27,625 INFO ]: Start minimizeSevpa. Operand 7 states. [2018-06-26 22:01:27,646 INFO ]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-06-26 22:01:27,647 INFO ]: Start removeUnreachable. Operand 7 states. [2018-06-26 22:01:27,648 INFO ]: Finished removeUnreachable. Reduced from 7 states to 7 states and 17 transitions. [2018-06-26 22:01:27,649 INFO ]: Start accepts. Automaton has 7 states and 17 transitions. Word has length 5 [2018-06-26 22:01:27,650 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:01:27,650 INFO ]: Abstraction has 7 states and 17 transitions. [2018-06-26 22:01:27,650 INFO ]: Interpolant automaton has 3 states. [2018-06-26 22:01:27,650 INFO ]: Start isEmpty. Operand 7 states and 17 transitions. [2018-06-26 22:01:27,650 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-26 22:01:27,650 INFO ]: Found error trace [2018-06-26 22:01:27,650 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-26 22:01:27,650 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:01:27,650 INFO ]: Analyzing trace with hash 1107392296, now seen corresponding path program 1 times [2018-06-26 22:01:27,650 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:01:27,650 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:01:27,653 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:27,653 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:01:27,653 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:27,816 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:27,994 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:27,994 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 22:01:27,994 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 [2018-06-26 22:01:28,001 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:01:28,099 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:28,108 INFO ]: Computing forward predicates... [2018-06-26 22:01:28,544 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:28,565 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 22:01:28,565 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-26 22:01:28,565 INFO ]: Interpolant automaton has 5 states [2018-06-26 22:01:28,566 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 22:01:28,566 INFO ]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-26 22:01:28,566 INFO ]: Start difference. First operand 7 states and 17 transitions. Second operand 5 states. [2018-06-26 22:01:28,772 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:01:28,772 INFO ]: Finished difference Result 9 states and 19 transitions. [2018-06-26 22:01:28,773 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-26 22:01:28,773 INFO ]: Start accepts. Automaton has 5 states. Word has length 6 [2018-06-26 22:01:28,774 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:01:28,774 INFO ]: With dead ends: 9 [2018-06-26 22:01:28,774 INFO ]: Without dead ends: 9 [2018-06-26 22:01:28,775 INFO ]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-26 22:01:28,775 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-26 22:01:28,776 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 8. [2018-06-26 22:01:28,776 INFO ]: Start removeUnreachable. Operand 8 states. [2018-06-26 22:01:28,776 INFO ]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2018-06-26 22:01:28,776 INFO ]: Start accepts. Automaton has 8 states and 18 transitions. Word has length 6 [2018-06-26 22:01:28,776 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:01:28,776 INFO ]: Abstraction has 8 states and 18 transitions. [2018-06-26 22:01:28,776 INFO ]: Interpolant automaton has 5 states. [2018-06-26 22:01:28,776 INFO ]: Start isEmpty. Operand 8 states and 18 transitions. [2018-06-26 22:01:28,776 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-26 22:01:28,776 INFO ]: Found error trace [2018-06-26 22:01:28,776 INFO ]: trace histogram [2, 1, 1, 1, 1, 1] [2018-06-26 22:01:28,776 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:01:28,777 INFO ]: Analyzing trace with hash -31448660, now seen corresponding path program 2 times [2018-06-26 22:01:28,777 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:01:28,777 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:01:28,777 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:28,777 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:01:28,777 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:28,910 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:29,329 WARN ]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-06-26 22:01:29,599 WARN ]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-06-26 22:01:29,600 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:29,600 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 22:01:29,600 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) [2018-06-26 22:01:29,617 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 22:01:29,794 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-26 22:01:29,794 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:29,798 INFO ]: Computing forward predicates... [2018-06-26 22:01:31,103 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:31,125 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 22:01:31,125 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-06-26 22:01:31,125 INFO ]: Interpolant automaton has 6 states [2018-06-26 22:01:31,125 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-26 22:01:31,125 INFO ]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-26 22:01:31,125 INFO ]: Start difference. First operand 8 states and 18 transitions. Second operand 6 states. [2018-06-26 22:01:31,599 WARN ]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-06-26 22:01:31,618 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:01:31,618 INFO ]: Finished difference Result 10 states and 20 transitions. [2018-06-26 22:01:31,619 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 22:01:31,619 INFO ]: Start accepts. Automaton has 6 states. Word has length 7 [2018-06-26 22:01:31,619 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:01:31,620 INFO ]: With dead ends: 10 [2018-06-26 22:01:31,620 INFO ]: Without dead ends: 10 [2018-06-26 22:01:31,620 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2018-06-26 22:01:31,620 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-26 22:01:31,622 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 9. [2018-06-26 22:01:31,622 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-26 22:01:31,623 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 19 transitions. [2018-06-26 22:01:31,623 INFO ]: Start accepts. Automaton has 9 states and 19 transitions. Word has length 7 [2018-06-26 22:01:31,623 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:01:31,623 INFO ]: Abstraction has 9 states and 19 transitions. [2018-06-26 22:01:31,623 INFO ]: Interpolant automaton has 6 states. [2018-06-26 22:01:31,623 INFO ]: Start isEmpty. Operand 9 states and 19 transitions. [2018-06-26 22:01:31,623 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-26 22:01:31,623 INFO ]: Found error trace [2018-06-26 22:01:31,623 INFO ]: trace histogram [3, 1, 1, 1, 1, 1] [2018-06-26 22:01:31,624 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:01:31,624 INFO ]: Analyzing trace with hash -975779928, now seen corresponding path program 3 times [2018-06-26 22:01:31,624 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:01:31,624 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:01:31,624 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:31,624 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-26 22:01:31,624 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:31,715 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:32,301 WARN ]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-06-26 22:01:32,406 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:32,407 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 22:01:32,407 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 [2018-06-26 22:01:32,415 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-26 22:01:32,584 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-06-26 22:01:32,584 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:32,588 INFO ]: Computing forward predicates... [2018-06-26 22:01:33,836 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:33,868 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 22:01:33,868 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-06-26 22:01:33,868 INFO ]: Interpolant automaton has 7 states [2018-06-26 22:01:33,868 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-26 22:01:33,868 INFO ]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 22:01:33,868 INFO ]: Start difference. First operand 9 states and 19 transitions. Second operand 7 states. [2018-06-26 22:01:35,438 WARN ]: Spent 1.08 s on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-06-26 22:01:35,687 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:01:35,687 INFO ]: Finished difference Result 11 states and 21 transitions. [2018-06-26 22:01:35,687 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-26 22:01:35,687 INFO ]: Start accepts. Automaton has 7 states. Word has length 8 [2018-06-26 22:01:35,687 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:01:35,687 INFO ]: With dead ends: 11 [2018-06-26 22:01:35,687 INFO ]: Without dead ends: 11 [2018-06-26 22:01:35,688 INFO ]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-06-26 22:01:35,688 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-26 22:01:35,689 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 10. [2018-06-26 22:01:35,689 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-26 22:01:35,690 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 20 transitions. [2018-06-26 22:01:35,690 INFO ]: Start accepts. Automaton has 10 states and 20 transitions. Word has length 8 [2018-06-26 22:01:35,690 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:01:35,690 INFO ]: Abstraction has 10 states and 20 transitions. [2018-06-26 22:01:35,690 INFO ]: Interpolant automaton has 7 states. [2018-06-26 22:01:35,690 INFO ]: Start isEmpty. Operand 10 states and 20 transitions. [2018-06-26 22:01:35,690 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 22:01:35,690 INFO ]: Found error trace [2018-06-26 22:01:35,690 INFO ]: trace histogram [4, 1, 1, 1, 1, 1] [2018-06-26 22:01:35,690 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:01:35,690 INFO ]: Analyzing trace with hash -185278164, now seen corresponding path program 4 times [2018-06-26 22:01:35,690 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:01:35,690 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:01:35,691 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:35,691 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-26 22:01:35,691 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:35,794 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:36,136 WARN ]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-06-26 22:01:36,183 INFO ]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:36,183 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 22:01:36,183 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 22:01:36,191 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-26 22:01:36,329 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-26 22:01:36,329 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:36,333 INFO ]: Computing forward predicates... [2018-06-26 22:01:37,912 INFO ]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:37,932 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 22:01:37,944 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-06-26 22:01:37,945 INFO ]: Interpolant automaton has 8 states [2018-06-26 22:01:37,945 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-26 22:01:37,945 INFO ]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-06-26 22:01:37,945 INFO ]: Start difference. First operand 10 states and 20 transitions. Second operand 8 states. [2018-06-26 22:01:38,225 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:01:38,225 INFO ]: Finished difference Result 12 states and 22 transitions. [2018-06-26 22:01:38,225 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-26 22:01:38,225 INFO ]: Start accepts. Automaton has 8 states. Word has length 9 [2018-06-26 22:01:38,225 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:01:38,225 INFO ]: With dead ends: 12 [2018-06-26 22:01:38,225 INFO ]: Without dead ends: 12 [2018-06-26 22:01:38,226 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2018-06-26 22:01:38,226 INFO ]: Start minimizeSevpa. Operand 12 states. [2018-06-26 22:01:38,227 INFO ]: Finished minimizeSevpa. Reduced states from 12 to 11. [2018-06-26 22:01:38,227 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-26 22:01:38,227 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 21 transitions. [2018-06-26 22:01:38,227 INFO ]: Start accepts. Automaton has 11 states and 21 transitions. Word has length 9 [2018-06-26 22:01:38,228 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:01:38,228 INFO ]: Abstraction has 11 states and 21 transitions. [2018-06-26 22:01:38,228 INFO ]: Interpolant automaton has 8 states. [2018-06-26 22:01:38,228 INFO ]: Start isEmpty. Operand 11 states and 21 transitions. [2018-06-26 22:01:38,228 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 22:01:38,228 INFO ]: Found error trace [2018-06-26 22:01:38,228 INFO ]: trace histogram [5, 1, 1, 1, 1, 1] [2018-06-26 22:01:38,228 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:01:38,228 INFO ]: Analyzing trace with hash -1449527256, now seen corresponding path program 5 times [2018-06-26 22:01:38,228 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:01:38,228 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:01:38,229 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:38,229 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-26 22:01:38,229 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:38,326 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:38,649 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:38,649 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 22:01:38,649 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 22:01:38,656 INFO ]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-06-26 22:01:38,832 INFO ]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-06-26 22:01:38,832 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:38,837 INFO ]: Computing forward predicates... [2018-06-26 22:01:40,320 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:40,351 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 22:01:40,351 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2018-06-26 22:01:40,351 INFO ]: Interpolant automaton has 9 states [2018-06-26 22:01:40,351 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-26 22:01:40,351 INFO ]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-06-26 22:01:40,351 INFO ]: Start difference. First operand 11 states and 21 transitions. Second operand 9 states. [2018-06-26 22:01:40,713 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:01:40,713 INFO ]: Finished difference Result 13 states and 23 transitions. [2018-06-26 22:01:40,713 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-26 22:01:40,713 INFO ]: Start accepts. Automaton has 9 states. Word has length 10 [2018-06-26 22:01:40,713 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:01:40,714 INFO ]: With dead ends: 13 [2018-06-26 22:01:40,714 INFO ]: Without dead ends: 13 [2018-06-26 22:01:40,714 INFO ]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2018-06-26 22:01:40,714 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-26 22:01:40,715 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 12. [2018-06-26 22:01:40,715 INFO ]: Start removeUnreachable. Operand 12 states. [2018-06-26 22:01:40,716 INFO ]: Finished removeUnreachable. Reduced from 12 states to 12 states and 22 transitions. [2018-06-26 22:01:40,716 INFO ]: Start accepts. Automaton has 12 states and 22 transitions. Word has length 10 [2018-06-26 22:01:40,716 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:01:40,716 INFO ]: Abstraction has 12 states and 22 transitions. [2018-06-26 22:01:40,716 INFO ]: Interpolant automaton has 9 states. [2018-06-26 22:01:40,716 INFO ]: Start isEmpty. Operand 12 states and 22 transitions. [2018-06-26 22:01:40,716 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-26 22:01:40,716 INFO ]: Found error trace [2018-06-26 22:01:40,716 INFO ]: trace histogram [6, 1, 1, 1, 1, 1] [2018-06-26 22:01:40,716 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:01:40,716 INFO ]: Analyzing trace with hash -1986543444, now seen corresponding path program 6 times [2018-06-26 22:01:40,717 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:01:40,717 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:01:40,717 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:40,717 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-26 22:01:40,717 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:40,823 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:41,131 INFO ]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:41,131 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 22:01:41,131 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 22:01:41,138 INFO ]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-06-26 22:01:41,341 INFO ]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2018-06-26 22:01:41,341 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:41,347 INFO ]: Computing forward predicates... [2018-06-26 22:01:45,149 INFO ]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:45,173 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 22:01:45,173 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2018-06-26 22:01:45,173 INFO ]: Interpolant automaton has 10 states [2018-06-26 22:01:45,173 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-26 22:01:45,173 INFO ]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-06-26 22:01:45,173 INFO ]: Start difference. First operand 12 states and 22 transitions. Second operand 10 states. [2018-06-26 22:01:45,536 WARN ]: Spent 117.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-06-26 22:01:45,646 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:01:45,646 INFO ]: Finished difference Result 14 states and 24 transitions. [2018-06-26 22:01:45,646 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-26 22:01:45,646 INFO ]: Start accepts. Automaton has 10 states. Word has length 11 [2018-06-26 22:01:45,646 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:01:45,647 INFO ]: With dead ends: 14 [2018-06-26 22:01:45,647 INFO ]: Without dead ends: 14 [2018-06-26 22:01:45,647 INFO ]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=167, Unknown=0, NotChecked=0, Total=272 [2018-06-26 22:01:45,647 INFO ]: Start minimizeSevpa. Operand 14 states. [2018-06-26 22:01:45,649 INFO ]: Finished minimizeSevpa. Reduced states from 14 to 13. [2018-06-26 22:01:45,649 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-26 22:01:45,649 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 23 transitions. [2018-06-26 22:01:45,649 INFO ]: Start accepts. Automaton has 13 states and 23 transitions. Word has length 11 [2018-06-26 22:01:45,649 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:01:45,649 INFO ]: Abstraction has 13 states and 23 transitions. [2018-06-26 22:01:45,649 INFO ]: Interpolant automaton has 10 states. [2018-06-26 22:01:45,649 INFO ]: Start isEmpty. Operand 13 states and 23 transitions. [2018-06-26 22:01:45,650 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-26 22:01:45,650 INFO ]: Found error trace [2018-06-26 22:01:45,650 INFO ]: trace histogram [7, 1, 1, 1, 1, 1] [2018-06-26 22:01:45,650 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:01:45,650 INFO ]: Analyzing trace with hash -1454176088, now seen corresponding path program 7 times [2018-06-26 22:01:45,650 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:01:45,650 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:01:45,651 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:45,651 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-26 22:01:45,651 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:45,796 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:46,641 WARN ]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-06-26 22:01:46,787 INFO ]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:46,787 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 22:01:46,787 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 22:01:46,822 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:01:47,059 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:47,067 INFO ]: Computing forward predicates... [2018-06-26 22:01:47,957 WARN ]: expecting exponential blowup for input size 7 [2018-06-26 22:01:48,026 WARN ]: expecting exponential blowup for input size 6 [2018-06-26 22:01:54,801 INFO ]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:54,834 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 22:01:54,834 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2018-06-26 22:01:54,834 INFO ]: Interpolant automaton has 11 states [2018-06-26 22:01:54,834 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-26 22:01:54,834 INFO ]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-06-26 22:01:54,834 INFO ]: Start difference. First operand 13 states and 23 transitions. Second operand 11 states. [2018-06-26 22:01:55,316 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:01:55,316 INFO ]: Finished difference Result 15 states and 25 transitions. [2018-06-26 22:01:55,316 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-26 22:01:55,316 INFO ]: Start accepts. Automaton has 11 states. Word has length 12 [2018-06-26 22:01:55,316 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:01:55,316 INFO ]: With dead ends: 15 [2018-06-26 22:01:55,316 INFO ]: Without dead ends: 15 [2018-06-26 22:01:55,317 INFO ]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2018-06-26 22:01:55,317 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-26 22:01:55,318 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 14. [2018-06-26 22:01:55,318 INFO ]: Start removeUnreachable. Operand 14 states. [2018-06-26 22:01:55,319 INFO ]: Finished removeUnreachable. Reduced from 14 states to 14 states and 24 transitions. [2018-06-26 22:01:55,319 INFO ]: Start accepts. Automaton has 14 states and 24 transitions. Word has length 12 [2018-06-26 22:01:55,319 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:01:55,321 INFO ]: Abstraction has 14 states and 24 transitions. [2018-06-26 22:01:55,321 INFO ]: Interpolant automaton has 11 states. [2018-06-26 22:01:55,321 INFO ]: Start isEmpty. Operand 14 states and 24 transitions. [2018-06-26 22:01:55,321 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-26 22:01:55,321 INFO ]: Found error trace [2018-06-26 22:01:55,321 INFO ]: trace histogram [8, 1, 1, 1, 1, 1] [2018-06-26 22:01:55,321 INFO ]: === Iteration 9 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:01:55,321 INFO ]: Analyzing trace with hash -2130657236, now seen corresponding path program 8 times [2018-06-26 22:01:55,321 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:01:55,322 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:01:55,322 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:55,322 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:01:55,322 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:01:55,500 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:55,908 INFO ]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:01:55,908 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 22:01:55,908 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 22:01:55,921 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-26 22:01:56,157 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-26 22:01:56,157 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:01:56,166 INFO ]: Computing forward predicates... [2018-06-26 22:02:18,888 WARN ]: expecting exponential blowup for input size 6 Received shutdown request... [2018-06-26 22:02:29,181 INFO ]: Timeout while computing interpolants [2018-06-26 22:02:29,382 WARN ]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 22:02:29,382 WARN ]: Verification canceled [2018-06-26 22:02:29,383 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 22:02:29,384 WARN ]: Timeout [2018-06-26 22:02:29,384 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 10:02:29 BasicIcfg [2018-06-26 22:02:29,384 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 22:02:29,385 INFO ]: Toolchain (without parser) took 63323.86 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 231.7 MB in the beginning and 969.6 MB in the end (delta: -737.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-26 22:02:29,386 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 22:02:29,386 INFO ]: ChcToBoogie took 73.28 ms. Allocated memory is still 305.1 MB. Free memory was 231.7 MB in the beginning and 229.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 22:02:29,387 INFO ]: Boogie Preprocessor took 74.18 ms. Allocated memory is still 305.1 MB. Free memory was 229.7 MB in the beginning and 227.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 22:02:29,387 INFO ]: RCFGBuilder took 414.86 ms. Allocated memory is still 305.1 MB. Free memory was 227.7 MB in the beginning and 198.8 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. [2018-06-26 22:02:29,387 INFO ]: BlockEncodingV2 took 402.77 ms. Allocated memory was 305.1 MB in the beginning and 324.0 MB in the end (delta: 18.9 MB). Free memory was 198.8 MB in the beginning and 276.2 MB in the end (delta: -77.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 3.6 GB. [2018-06-26 22:02:29,388 INFO ]: TraceAbstraction took 62347.60 ms. Allocated memory was 324.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 276.2 MB in the beginning and 969.6 MB in the end (delta: -693.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-26 22:02:29,392 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 10 edges - StatisticsResult: Encoded RCFG 6 locations, 16 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 73.28 ms. Allocated memory is still 305.1 MB. Free memory was 231.7 MB in the beginning and 229.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 74.18 ms. Allocated memory is still 305.1 MB. Free memory was 229.7 MB in the beginning and 227.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 414.86 ms. Allocated memory is still 305.1 MB. Free memory was 227.7 MB in the beginning and 198.8 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 402.77 ms. Allocated memory was 305.1 MB in the beginning and 324.0 MB in the end (delta: 18.9 MB). Free memory was 198.8 MB in the beginning and 276.2 MB in the end (delta: -77.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 3.6 GB. * TraceAbstraction took 62347.60 ms. Allocated memory was 324.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 276.2 MB in the beginning and 969.6 MB in the end (delta: -693.3 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 Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while XnfDer was eliminating 18099 quantified variables from 19 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 1 error locations. TIMEOUT Result, 62.2s OverallTime, 9 OverallIterations, 8 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 120 SDtfs, 0 SDslu, 117 SDs, 0 SdLazy, 112 SolverSat, 177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 39 SyntacticMatches, 26 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=8, 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, 8 MinimizatonAttempts, 7 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 21.2s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 5498 SizeOfPredicates, 49 NumberOfNonLiveVariables, 4606 ConjunctsInSsa, 286 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 0/168 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/swim.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_22-02-29-404.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/swim.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_22-02-29-404.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/swim.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_22-02-29-404.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/swim.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_22-02-29-404.csv Completed graceful shutdown