java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/car_5_e7_244_e1_823.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 06:15:15,341 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 06:15:15,345 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 06:15:15,363 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 06:15:15,363 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 06:15:15,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 06:15:15,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 06:15:15,368 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 06:15:15,370 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 06:15:15,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 06:15:15,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 06:15:15,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 06:15:15,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 06:15:15,376 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 06:15:15,377 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 06:15:15,378 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 06:15:15,380 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 06:15:15,382 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 06:15:15,392 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 06:15:15,393 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 06:15:15,395 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 06:15:15,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 06:15:15,397 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 06:15:15,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 06:15:15,398 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 06:15:15,399 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 06:15:15,400 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 06:15:15,407 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 06:15:15,408 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 06:15:15,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 06:15:15,409 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 06:15:15,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 06:15:15,410 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 06:15:15,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 06:15:15,411 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 06:15:15,412 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 06:15:15,440 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 06:15:15,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 06:15:15,440 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 06:15:15,441 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 06:15:15,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 06:15:15,445 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 06:15:15,445 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 06:15:15,445 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 06:15:15,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 06:15:15,446 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 06:15:15,446 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 06:15:15,446 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 06:15:15,446 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 06:15:15,446 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 06:15:15,447 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 06:15:15,447 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 06:15:15,447 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 06:15:15,449 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 06:15:15,449 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 06:15:15,502 INFO ]: Repository-Root is: /tmp [2018-06-22 06:15:15,518 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 06:15:15,525 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 06:15:15,527 INFO ]: Initializing SmtParser... [2018-06-22 06:15:15,527 INFO ]: SmtParser initialized [2018-06-22 06:15:15,528 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/car_5_e7_244_e1_823.smt2 [2018-06-22 06:15:15,529 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 06:15:15,626 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_5_e7_244_e1_823.smt2 unknown [2018-06-22 06:15:15,936 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_5_e7_244_e1_823.smt2 [2018-06-22 06:15:15,940 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 06:15:15,946 INFO ]: Walking toolchain with 4 elements. [2018-06-22 06:15:15,947 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 06:15:15,947 INFO ]: Initializing ChcToBoogie... [2018-06-22 06:15:15,947 INFO ]: ChcToBoogie initialized [2018-06-22 06:15:15,950 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:15:15" (1/1) ... [2018-06-22 06:15:16,007 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16 Unit [2018-06-22 06:15:16,007 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 06:15:16,007 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 06:15:16,007 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 06:15:16,007 INFO ]: Boogie Preprocessor initialized [2018-06-22 06:15:16,028 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16" (1/1) ... [2018-06-22 06:15:16,028 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16" (1/1) ... [2018-06-22 06:15:16,037 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16" (1/1) ... [2018-06-22 06:15:16,037 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16" (1/1) ... [2018-06-22 06:15:16,053 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16" (1/1) ... [2018-06-22 06:15:16,055 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16" (1/1) ... [2018-06-22 06:15:16,056 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16" (1/1) ... [2018-06-22 06:15:16,065 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 06:15:16,065 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 06:15:16,066 INFO ]: Initializing RCFGBuilder... [2018-06-22 06:15:16,066 INFO ]: RCFGBuilder initialized [2018-06-22 06:15:16,068 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 06:15:16,089 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 06:15:16,089 INFO ]: Found specification of procedure gotoProc [2018-06-22 06:15:16,089 INFO ]: Found implementation of procedure gotoProc [2018-06-22 06:15:16,089 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 06:15:16,089 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 06:15:16,089 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 06:15:16,554 INFO ]: Using library mode [2018-06-22 06:15:16,556 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:15:16 BoogieIcfgContainer [2018-06-22 06:15:16,556 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 06:15:16,557 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 06:15:16,557 INFO ]: Initializing TraceAbstraction... [2018-06-22 06:15:16,564 INFO ]: TraceAbstraction initialized [2018-06-22 06:15:16,564 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:15:15" (1/3) ... [2018-06-22 06:15:16,565 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a75bbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:15:16, skipping insertion in model container [2018-06-22 06:15:16,565 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:15:16" (2/3) ... [2018-06-22 06:15:16,565 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a75bbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:15:16, skipping insertion in model container [2018-06-22 06:15:16,565 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:15:16" (3/3) ... [2018-06-22 06:15:16,569 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 06:15:16,579 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 06:15:16,588 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 06:15:16,645 INFO ]: Using default assertion order modulation [2018-06-22 06:15:16,646 INFO ]: Interprodecural is true [2018-06-22 06:15:16,646 INFO ]: Hoare is false [2018-06-22 06:15:16,646 INFO ]: Compute interpolants for FPandBP [2018-06-22 06:15:16,646 INFO ]: Backedges is TWOTRACK [2018-06-22 06:15:16,646 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 06:15:16,646 INFO ]: Difference is false [2018-06-22 06:15:16,646 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 06:15:16,646 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 06:15:16,664 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 06:15:16,677 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 06:15:16,677 INFO ]: Found error trace [2018-06-22 06:15:16,680 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:15:16,680 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:15:16,686 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 06:15:16,689 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:15:16,689 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:15:16,729 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:16,729 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:15:16,729 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:16,819 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:16,952 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:16,953 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 06:15:16,954 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 06:15:16,955 INFO ]: Interpolant automaton has 3 states [2018-06-22 06:15:16,966 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 06:15:16,967 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 06:15:16,968 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 06:15:17,034 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:15:17,034 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 06:15:17,036 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 06:15:17,038 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 06:15:17,038 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:15:17,047 INFO ]: With dead ends: 9 [2018-06-22 06:15:17,047 INFO ]: Without dead ends: 9 [2018-06-22 06:15:17,049 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 [2018-06-22 06:15:17,061 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 06:15:17,091 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 06:15:17,092 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 06:15:17,092 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 06:15:17,094 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 06:15:17,094 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:15:17,094 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 06:15:17,094 INFO ]: Interpolant automaton has 3 states. [2018-06-22 06:15:17,095 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 06:15:17,095 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 06:15:17,095 INFO ]: Found error trace [2018-06-22 06:15:17,095 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:15:17,095 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:15:17,095 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 06:15:17,095 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:15:17,095 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:15:17,096 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:17,096 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:15:17,096 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:17,164 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:17,271 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:17,271 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:15:17,271 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) [2018-06-22 06:15:17,287 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 06:15:17,389 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:17,400 INFO ]: Computing forward predicates... [2018-06-22 06:15:17,679 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:17,701 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 06:15:17,701 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-22 06:15:17,701 INFO ]: Interpolant automaton has 5 states [2018-06-22 06:15:17,702 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 06:15:17,702 INFO ]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 06:15:17,702 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-06-22 06:15:17,862 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:15:17,862 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 06:15:17,863 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 06:15:17,863 INFO ]: Start accepts. Automaton has 5 states. Word has length 8 [2018-06-22 06:15:17,863 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:15:17,863 INFO ]: With dead ends: 11 [2018-06-22 06:15:17,863 INFO ]: Without dead ends: 11 [2018-06-22 06:15:17,864 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 06:15:17,864 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 06:15:17,865 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 06:15:17,865 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 06:15:17,865 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 06:15:17,866 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 06:15:17,866 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:15:17,866 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 06:15:17,866 INFO ]: Interpolant automaton has 5 states. [2018-06-22 06:15:17,866 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 06:15:17,866 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 06:15:17,866 INFO ]: Found error trace [2018-06-22 06:15:17,866 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:15:17,866 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:15:17,866 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-22 06:15:17,866 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:15:17,866 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:15:17,868 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:17,868 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:15:17,868 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:17,979 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:18,245 WARN ]: Spent 100.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-06-22 06:15:18,418 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:18,418 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:15:18,418 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) [2018-06-22 06:15:18,434 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 06:15:18,558 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 06:15:18,558 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:18,564 INFO ]: Computing forward predicates... [2018-06-22 06:15:19,645 WARN ]: Spent 116.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 14 [2018-06-22 06:15:19,668 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:19,688 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 06:15:19,688 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 06:15:19,689 INFO ]: Interpolant automaton has 9 states [2018-06-22 06:15:19,689 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 06:15:19,689 INFO ]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-06-22 06:15:19,689 INFO ]: Start difference. First operand 11 states and 11 transitions. Second operand 9 states. [2018-06-22 06:15:19,848 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:15:19,848 INFO ]: Finished difference Result 13 states and 13 transitions. [2018-06-22 06:15:19,849 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 06:15:19,849 INFO ]: Start accepts. Automaton has 9 states. Word has length 10 [2018-06-22 06:15:19,849 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:15:19,849 INFO ]: With dead ends: 13 [2018-06-22 06:15:19,849 INFO ]: Without dead ends: 13 [2018-06-22 06:15:19,850 INFO ]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-06-22 06:15:19,850 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 06:15:19,851 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 06:15:19,851 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 06:15:19,852 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-06-22 06:15:19,852 INFO ]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-06-22 06:15:19,852 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:15:19,852 INFO ]: Abstraction has 13 states and 13 transitions. [2018-06-22 06:15:19,852 INFO ]: Interpolant automaton has 9 states. [2018-06-22 06:15:19,852 INFO ]: Start isEmpty. Operand 13 states and 13 transitions. [2018-06-22 06:15:19,852 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-22 06:15:19,852 INFO ]: Found error trace [2018-06-22 06:15:19,852 INFO ]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:15:19,853 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:15:19,853 INFO ]: Analyzing trace with hash -1502133097, now seen corresponding path program 3 times [2018-06-22 06:15:19,853 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:15:19,853 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:15:19,853 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:19,854 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 06:15:19,854 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:19,932 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:20,442 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:20,443 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:15:20,443 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 06:15:20,453 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 06:15:20,616 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-06-22 06:15:20,616 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:20,625 INFO ]: Computing forward predicates... [2018-06-22 06:15:20,980 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:21,147 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:21,168 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 06:15:21,168 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-06-22 06:15:21,168 INFO ]: Interpolant automaton has 13 states [2018-06-22 06:15:21,168 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 06:15:21,169 INFO ]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-06-22 06:15:21,169 INFO ]: Start difference. First operand 13 states and 13 transitions. Second operand 13 states. [2018-06-22 06:15:21,322 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:15:21,323 INFO ]: Finished difference Result 15 states and 15 transitions. [2018-06-22 06:15:21,324 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 06:15:21,324 INFO ]: Start accepts. Automaton has 13 states. Word has length 12 [2018-06-22 06:15:21,324 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:15:21,325 INFO ]: With dead ends: 15 [2018-06-22 06:15:21,325 INFO ]: Without dead ends: 15 [2018-06-22 06:15:21,325 INFO ]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2018-06-22 06:15:21,325 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-22 06:15:21,327 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-22 06:15:21,327 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 06:15:21,327 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-06-22 06:15:21,327 INFO ]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-06-22 06:15:21,327 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:15:21,327 INFO ]: Abstraction has 15 states and 15 transitions. [2018-06-22 06:15:21,327 INFO ]: Interpolant automaton has 13 states. [2018-06-22 06:15:21,327 INFO ]: Start isEmpty. Operand 15 states and 15 transitions. [2018-06-22 06:15:21,328 INFO ]: Finished isEmpty. Found accepting run of length 15 [2018-06-22 06:15:21,328 INFO ]: Found error trace [2018-06-22 06:15:21,328 INFO ]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:15:21,328 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:15:21,328 INFO ]: Analyzing trace with hash -414382217, now seen corresponding path program 4 times [2018-06-22 06:15:21,328 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:15:21,328 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:15:21,329 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:21,329 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 06:15:21,329 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:21,422 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:22,159 WARN ]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2018-06-22 06:15:22,342 INFO ]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:22,342 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:15:22,342 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 [2018-06-22 06:15:22,350 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 06:15:22,494 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 06:15:22,494 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:22,500 INFO ]: Computing forward predicates... [2018-06-22 06:15:22,870 INFO ]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:22,891 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 06:15:22,892 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-06-22 06:15:22,892 INFO ]: Interpolant automaton has 17 states [2018-06-22 06:15:22,892 INFO ]: Constructing interpolant automaton starting with 17 interpolants. [2018-06-22 06:15:22,892 INFO ]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2018-06-22 06:15:22,892 INFO ]: Start difference. First operand 15 states and 15 transitions. Second operand 17 states. [2018-06-22 06:15:23,217 WARN ]: Spent 132.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2018-06-22 06:15:23,270 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:15:23,270 INFO ]: Finished difference Result 17 states and 17 transitions. [2018-06-22 06:15:23,270 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 06:15:23,270 INFO ]: Start accepts. Automaton has 17 states. Word has length 14 [2018-06-22 06:15:23,270 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:15:23,271 INFO ]: With dead ends: 17 [2018-06-22 06:15:23,271 INFO ]: Without dead ends: 17 [2018-06-22 06:15:23,271 INFO ]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2018-06-22 06:15:23,271 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 06:15:23,273 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 06:15:23,273 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 06:15:23,273 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-06-22 06:15:23,273 INFO ]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-06-22 06:15:23,274 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:15:23,274 INFO ]: Abstraction has 17 states and 17 transitions. [2018-06-22 06:15:23,274 INFO ]: Interpolant automaton has 17 states. [2018-06-22 06:15:23,274 INFO ]: Start isEmpty. Operand 17 states and 17 transitions. [2018-06-22 06:15:23,274 INFO ]: Finished isEmpty. Found accepting run of length 17 [2018-06-22 06:15:23,274 INFO ]: Found error trace [2018-06-22 06:15:23,274 INFO ]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:15:23,274 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:15:23,274 INFO ]: Analyzing trace with hash 1237160535, now seen corresponding path program 5 times [2018-06-22 06:15:23,274 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:15:23,274 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:15:23,275 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:23,275 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 06:15:23,275 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:23,431 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:24,230 WARN ]: Spent 365.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2018-06-22 06:15:24,698 WARN ]: Spent 389.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2018-06-22 06:15:24,914 WARN ]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 23 [2018-06-22 06:15:25,130 WARN ]: Spent 204.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 31 [2018-06-22 06:15:25,290 WARN ]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2018-06-22 06:15:25,678 WARN ]: Spent 293.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 35 [2018-06-22 06:15:26,131 WARN ]: Spent 406.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2018-06-22 06:15:26,445 WARN ]: Spent 271.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 30 [2018-06-22 06:15:26,460 INFO ]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:26,460 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:15:26,460 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 [2018-06-22 06:15:26,467 INFO ]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-06-22 06:15:26,654 INFO ]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-06-22 06:15:26,654 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:26,663 INFO ]: Computing forward predicates... [2018-06-22 06:15:26,761 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:27,095 INFO ]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:27,116 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 06:15:27,116 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2018-06-22 06:15:27,116 INFO ]: Interpolant automaton has 22 states [2018-06-22 06:15:27,117 INFO ]: Constructing interpolant automaton starting with 22 interpolants. [2018-06-22 06:15:27,117 INFO ]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2018-06-22 06:15:27,117 INFO ]: Start difference. First operand 17 states and 17 transitions. Second operand 22 states. [2018-06-22 06:15:27,544 WARN ]: Spent 215.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2018-06-22 06:15:27,907 WARN ]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2018-06-22 06:15:27,962 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:15:27,962 INFO ]: Finished difference Result 18 states and 18 transitions. [2018-06-22 06:15:27,963 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 06:15:27,963 INFO ]: Start accepts. Automaton has 22 states. Word has length 16 [2018-06-22 06:15:27,963 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:15:27,964 INFO ]: With dead ends: 18 [2018-06-22 06:15:27,964 INFO ]: Without dead ends: 18 [2018-06-22 06:15:27,964 INFO ]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=203, Invalid=667, Unknown=0, NotChecked=0, Total=870 [2018-06-22 06:15:27,964 INFO ]: Start minimizeSevpa. Operand 18 states. [2018-06-22 06:15:27,966 INFO ]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-06-22 06:15:27,966 INFO ]: Start removeUnreachable. Operand 18 states. [2018-06-22 06:15:27,966 INFO ]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-06-22 06:15:27,966 INFO ]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2018-06-22 06:15:27,966 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:15:27,966 INFO ]: Abstraction has 18 states and 18 transitions. [2018-06-22 06:15:27,966 INFO ]: Interpolant automaton has 22 states. [2018-06-22 06:15:27,966 INFO ]: Start isEmpty. Operand 18 states and 18 transitions. [2018-06-22 06:15:27,967 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 06:15:27,967 INFO ]: Found error trace [2018-06-22 06:15:27,967 INFO ]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:15:27,967 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:15:27,967 INFO ]: Analyzing trace with hash -301900562, now seen corresponding path program 6 times [2018-06-22 06:15:27,967 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:15:27,967 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:15:27,968 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:27,968 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 06:15:27,968 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:28,137 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:29,257 WARN ]: Spent 282.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 31 [2018-06-22 06:15:29,572 WARN ]: Spent 208.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 30 [2018-06-22 06:15:29,982 WARN ]: Spent 372.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 35 [2018-06-22 06:15:30,667 WARN ]: Spent 538.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 42 [2018-06-22 06:15:31,015 WARN ]: Spent 319.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 41 [2018-06-22 06:15:31,350 WARN ]: Spent 238.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 26 [2018-06-22 06:15:31,364 INFO ]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:31,364 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:15:31,364 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 [2018-06-22 06:15:31,370 INFO ]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-06-22 06:15:31,583 INFO ]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2018-06-22 06:15:31,583 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:31,602 INFO ]: Computing forward predicates... [2018-06-22 06:15:33,156 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,187 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,197 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,206 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,218 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,226 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,305 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,336 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,369 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,376 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,383 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,396 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,405 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,413 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:33,421 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,465 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:33,473 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,486 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:33,492 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,500 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,508 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,553 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,589 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,623 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,661 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,754 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,763 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:33,772 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,801 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:33,806 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,814 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,825 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,836 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,844 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:33,848 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,878 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,881 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:33,887 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:33,953 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:34,018 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:34,037 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,041 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:34,045 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,053 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,057 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:34,067 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:34,074 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,085 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,094 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,101 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,108 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:34,113 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,116 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,123 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:34,129 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:15:34,137 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:35,953 WARN ]: Spent 160.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 18 [2018-06-22 06:15:35,958 INFO ]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:35,980 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 06:15:35,980 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2018-06-22 06:15:35,981 INFO ]: Interpolant automaton has 23 states [2018-06-22 06:15:35,981 INFO ]: Constructing interpolant automaton starting with 23 interpolants. [2018-06-22 06:15:35,981 INFO ]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2018-06-22 06:15:35,981 INFO ]: Start difference. First operand 18 states and 18 transitions. Second operand 23 states. [2018-06-22 06:15:36,659 WARN ]: Spent 173.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2018-06-22 06:15:36,981 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:15:36,981 INFO ]: Finished difference Result 19 states and 19 transitions. [2018-06-22 06:15:36,986 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-22 06:15:36,986 INFO ]: Start accepts. Automaton has 23 states. Word has length 17 [2018-06-22 06:15:36,986 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:15:36,986 INFO ]: With dead ends: 19 [2018-06-22 06:15:36,986 INFO ]: Without dead ends: 19 [2018-06-22 06:15:36,987 INFO ]: 0 DeclaredPredicates, 39 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=261, Invalid=795, Unknown=0, NotChecked=0, Total=1056 [2018-06-22 06:15:36,987 INFO ]: Start minimizeSevpa. Operand 19 states. [2018-06-22 06:15:36,989 INFO ]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-06-22 06:15:36,989 INFO ]: Start removeUnreachable. Operand 19 states. [2018-06-22 06:15:36,990 INFO ]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-06-22 06:15:36,990 INFO ]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2018-06-22 06:15:36,990 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:15:36,990 INFO ]: Abstraction has 19 states and 19 transitions. [2018-06-22 06:15:36,990 INFO ]: Interpolant automaton has 23 states. [2018-06-22 06:15:36,990 INFO ]: Start isEmpty. Operand 19 states and 19 transitions. [2018-06-22 06:15:36,990 INFO ]: Finished isEmpty. Found accepting run of length 19 [2018-06-22 06:15:36,990 INFO ]: Found error trace [2018-06-22 06:15:36,990 INFO ]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:15:36,991 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:15:36,991 INFO ]: Analyzing trace with hash -768154313, now seen corresponding path program 7 times [2018-06-22 06:15:36,991 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:15:36,991 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:15:36,991 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:36,991 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 06:15:36,991 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:15:37,199 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:37,983 WARN ]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-06-22 06:15:38,463 WARN ]: Spent 407.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2018-06-22 06:15:38,863 WARN ]: Spent 286.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 24 [2018-06-22 06:15:39,139 WARN ]: Spent 222.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 30 [2018-06-22 06:15:39,763 WARN ]: Spent 447.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 35 [2018-06-22 06:15:40,156 WARN ]: Spent 347.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 33 [2018-06-22 06:15:40,498 WARN ]: Spent 277.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 37 [2018-06-22 06:15:41,086 WARN ]: Spent 476.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 33 [2018-06-22 06:15:41,951 WARN ]: Spent 776.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 41 [2018-06-22 06:15:42,450 WARN ]: Spent 424.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 31 [2018-06-22 06:15:42,467 INFO ]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:15:42,467 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:15:42,467 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 [2018-06-22 06:15:42,477 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:15:42,676 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:15:42,691 INFO ]: Computing forward predicates... [2018-06-22 06:15:42,702 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:15:42,863 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:15:43,094 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 06:15:43,128 WARN ]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-06-22 06:15:55,133 INFO ]: Simplified to disjunction of 7680 conjuctions. [2018-06-22 06:15:55,150 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 06:15:55,182 WARN ]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-06-22 06:16:04,446 INFO ]: Simplified to disjunction of 7680 conjuctions. [2018-06-22 06:16:04,467 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 06:16:05,624 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 06:16:06,749 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 06:16:07,679 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 06:16:08,757 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 06:16:08,792 WARN ]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-06-22 06:16:16,042 INFO ]: Simplified to disjunction of 7680 conjuctions. [2018-06-22 06:16:16,060 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 06:16:16,085 WARN ]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-06-22 06:16:22,850 INFO ]: Simplified to disjunction of 7680 conjuctions. [2018-06-22 06:16:22,870 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 06:16:23,527 WARN ]: expecting exponential blowup for input size 10 Received shutdown request... [2018-06-22 06:16:23,888 INFO ]: Timeout while computing interpolants [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (9)] Forcibly destroying the process [2018-06-22 06:16:24,090 WARN ]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 06:16:24,090 WARN ]: Verification canceled [2018-06-22 06:16:24,116 WARN ]: Timeout [2018-06-22 06:16:24,117 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:16:24 BoogieIcfgContainer [2018-06-22 06:16:24,117 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 06:16:24,123 INFO ]: Toolchain (without parser) took 68181.69 ms. Allocated memory was 305.7 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 254.1 MB in the beginning and 886.9 MB in the end (delta: -632.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. [2018-06-22 06:16:24,123 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 305.7 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 06:16:24,124 INFO ]: ChcToBoogie took 59.98 ms. Allocated memory is still 305.7 MB. Free memory was 254.1 MB in the beginning and 250.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 06:16:24,124 INFO ]: Boogie Preprocessor took 57.63 ms. Allocated memory is still 305.7 MB. Free memory is still 250.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 06:16:24,124 INFO ]: RCFGBuilder took 490.56 ms. Allocated memory is still 305.7 MB. Free memory was 250.1 MB in the beginning and 230.1 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. [2018-06-22 06:16:24,125 INFO ]: TraceAbstraction took 67559.50 ms. Allocated memory was 305.7 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 230.1 MB in the beginning and 886.9 MB in the end (delta: -656.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. [2018-06-22 06:16:24,133 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 305.7 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 59.98 ms. Allocated memory is still 305.7 MB. Free memory was 254.1 MB in the beginning and 250.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.63 ms. Allocated memory is still 305.7 MB. Free memory is still 250.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 490.56 ms. Allocated memory is still 305.7 MB. Free memory was 250.1 MB in the beginning and 230.1 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67559.50 ms. Allocated memory was 305.7 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 230.1 MB in the beginning and 886.9 MB in the end (delta: -656.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 19 with TraceHistMax 11, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 2560 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 67.4s OverallTime, 8 OverallIterations, 11 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 49 SDtfs, 0 SDslu, 330 SDs, 0 SdLazy, 220 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=7, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 17859 SizeOfPredicates, 36 NumberOfNonLiveVariables, 5228 ConjunctsInSsa, 392 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 0/300 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/car_5_e7_244_e1_823.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_06-16-24-232.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/car_5_e7_244_e1_823.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_06-16-24-232.csv Completed graceful shutdown