java -Xss4m -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/cav12/s3_srvr_16.cil.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 12:14:18,004 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 12:14:18,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 12:14:18,017 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 12:14:18,018 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 12:14:18,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 12:14:18,020 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 12:14:18,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 12:14:18,023 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 12:14:18,024 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 12:14:18,025 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 12:14:18,025 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 12:14:18,026 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 12:14:18,027 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 12:14:18,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 12:14:18,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 12:14:18,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 12:14:18,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 12:14:18,034 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 12:14:18,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 12:14:18,036 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 12:14:18,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 12:14:18,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 12:14:18,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 12:14:18,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 12:14:18,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 12:14:18,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 12:14:18,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 12:14:18,044 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 12:14:18,044 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 12:14:18,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 12:14:18,045 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 12:14:18,046 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 12:14:18,046 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 12:14:18,047 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 12:14:18,047 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 12:14:18,061 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 12:14:18,062 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 12:14:18,062 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 12:14:18,062 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 12:14:18,064 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 12:14:18,064 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 12:14:18,064 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 12:14:18,064 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 12:14:18,065 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 12:14:18,065 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 12:14:18,065 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 12:14:18,066 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 12:14:18,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 12:14:18,066 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 12:14:18,066 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 12:14:18,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 12:14:18,067 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 12:14:18,067 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 12:14:18,067 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 12:14:18,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 12:14:18,068 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 12:14:18,073 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 12:14:18,074 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 12:14:18,122 INFO ]: Repository-Root is: /tmp [2018-06-25 12:14:18,141 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 12:14:18,144 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 12:14:18,146 INFO ]: Initializing SmtParser... [2018-06-25 12:14:18,146 INFO ]: SmtParser initialized [2018-06-25 12:14:18,147 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_16.cil.smt2 [2018-06-25 12:14:18,148 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 [2018-06-25 12:14:18,243 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_16.cil.smt2 unknown [2018-06-25 12:14:18,788 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_16.cil.smt2 [2018-06-25 12:14:18,793 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 12:14:18,799 INFO ]: Walking toolchain with 4 elements. [2018-06-25 12:14:18,800 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 12:14:18,800 INFO ]: Initializing ChcToBoogie... [2018-06-25 12:14:18,800 INFO ]: ChcToBoogie initialized [2018-06-25 12:14:18,803 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 12:14:18" (1/1) ... [2018-06-25 12:14:18,876 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18 Unit [2018-06-25 12:14:18,876 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 12:14:18,877 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 12:14:18,877 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 12:14:18,877 INFO ]: Boogie Preprocessor initialized [2018-06-25 12:14:18,893 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18" (1/1) ... [2018-06-25 12:14:18,894 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18" (1/1) ... [2018-06-25 12:14:18,903 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18" (1/1) ... [2018-06-25 12:14:18,904 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18" (1/1) ... [2018-06-25 12:14:18,919 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18" (1/1) ... [2018-06-25 12:14:18,921 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18" (1/1) ... [2018-06-25 12:14:18,927 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18" (1/1) ... [2018-06-25 12:14:18,934 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 12:14:18,934 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 12:14:18,934 INFO ]: Initializing RCFGBuilder... [2018-06-25 12:14:18,934 INFO ]: RCFGBuilder initialized [2018-06-25 12:14:18,935 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18" (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) [2018-06-25 12:14:18,944 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 12:14:18,944 INFO ]: Found specification of procedure gotoProc [2018-06-25 12:14:18,945 INFO ]: Found implementation of procedure gotoProc [2018-06-25 12:14:18,945 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 12:14:18,945 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 12:14:18,945 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 [2018-06-25 12:14:19,440 INFO ]: Using library mode [2018-06-25 12:14:19,440 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 12:14:19 BoogieIcfgContainer [2018-06-25 12:14:19,440 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 12:14:19,444 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 12:14:19,444 INFO ]: Initializing TraceAbstraction... [2018-06-25 12:14:19,448 INFO ]: TraceAbstraction initialized [2018-06-25 12:14:19,448 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 12:14:18" (1/3) ... [2018-06-25 12:14:19,449 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c4cbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 12:14:19, skipping insertion in model container [2018-06-25 12:14:19,449 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:14:18" (2/3) ... [2018-06-25 12:14:19,450 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c4cbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 12:14:19, skipping insertion in model container [2018-06-25 12:14:19,450 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 12:14:19" (3/3) ... [2018-06-25 12:14:19,451 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 12:14:19,460 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 12:14:19,470 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 12:14:19,517 INFO ]: Using default assertion order modulation [2018-06-25 12:14:19,517 INFO ]: Interprodecural is true [2018-06-25 12:14:19,517 INFO ]: Hoare is false [2018-06-25 12:14:19,517 INFO ]: Compute interpolants for FPandBP [2018-06-25 12:14:19,517 INFO ]: Backedges is TWOTRACK [2018-06-25 12:14:19,517 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 12:14:19,518 INFO ]: Difference is false [2018-06-25 12:14:19,518 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 12:14:19,518 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 12:14:19,533 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 12:14:19,549 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 12:14:19,549 INFO ]: Found error trace [2018-06-25 12:14:19,550 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 12:14:19,551 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 12:14:19,556 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-25 12:14:19,559 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 12:14:19,559 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 12:14:19,607 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:19,608 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 12:14:19,608 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:19,679 INFO ]: Conjunction of SSA is unsat [2018-06-25 12:14:19,793 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 12:14:19,795 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 12:14:19,795 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 12:14:19,796 INFO ]: Interpolant automaton has 3 states [2018-06-25 12:14:19,824 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 12:14:19,824 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 12:14:19,826 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 12:14:19,929 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 12:14:19,929 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 12:14:19,932 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 12:14:19,933 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 12:14:19,933 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 12:14:19,944 INFO ]: With dead ends: 9 [2018-06-25 12:14:19,944 INFO ]: Without dead ends: 9 [2018-06-25 12:14:19,946 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 [2018-06-25 12:14:19,969 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 12:14:19,996 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 12:14:19,999 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 12:14:20,000 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 12:14:20,001 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 12:14:20,001 INFO ]: Finished accepts. word is rejected. [2018-06-25 12:14:20,001 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 12:14:20,001 INFO ]: Interpolant automaton has 3 states. [2018-06-25 12:14:20,001 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 12:14:20,002 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 12:14:20,002 INFO ]: Found error trace [2018-06-25 12:14:20,002 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 12:14:20,002 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 12:14:20,002 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-25 12:14:20,002 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 12:14:20,002 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 12:14:20,003 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:20,003 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 12:14:20,003 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:20,151 INFO ]: Conjunction of SSA is unsat [2018-06-25 12:14:20,398 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 12:14:20,398 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 12:14:20,398 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 [2018-06-25 12:14:20,415 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 12:14:20,542 INFO ]: Conjunction of SSA is unsat [2018-06-25 12:14:20,552 INFO ]: Computing forward predicates... [2018-06-25 12:14:21,084 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 12:14:21,105 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 12:14:21,105 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-25 12:14:21,105 INFO ]: Interpolant automaton has 6 states [2018-06-25 12:14:21,105 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-25 12:14:21,105 INFO ]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-06-25 12:14:21,106 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-25 12:14:21,326 WARN ]: Spent 157.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-06-25 12:14:21,590 WARN ]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-06-25 12:14:21,689 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 12:14:21,690 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-25 12:14:21,690 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 12:14:21,691 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-25 12:14:21,691 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 12:14:21,691 INFO ]: With dead ends: 11 [2018-06-25 12:14:21,691 INFO ]: Without dead ends: 11 [2018-06-25 12:14:21,692 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-06-25 12:14:21,692 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-25 12:14:21,693 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-25 12:14:21,693 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-25 12:14:21,694 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-25 12:14:21,694 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-25 12:14:21,694 INFO ]: Finished accepts. word is rejected. [2018-06-25 12:14:21,694 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-25 12:14:21,694 INFO ]: Interpolant automaton has 6 states. [2018-06-25 12:14:21,694 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-25 12:14:21,694 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-25 12:14:21,694 INFO ]: Found error trace [2018-06-25 12:14:21,694 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 12:14:21,694 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 12:14:21,695 INFO ]: Analyzing trace with hash 145098516, now seen corresponding path program 2 times [2018-06-25 12:14:21,695 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 12:14:21,695 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 12:14:21,699 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:21,699 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 12:14:21,699 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:21,907 INFO ]: Conjunction of SSA is unsat [2018-06-25 12:14:22,297 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 12:14:22,297 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 12:14:22,297 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 12:14:22,304 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-25 12:14:22,478 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-25 12:14:22,478 INFO ]: Conjunction of SSA is unsat [2018-06-25 12:14:22,490 INFO ]: Computing forward predicates... [2018-06-25 12:14:24,334 WARN ]: Spent 113.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 11 [2018-06-25 12:14:24,482 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 12:14:24,504 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 12:14:24,504 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-06-25 12:14:24,504 INFO ]: Interpolant automaton has 10 states [2018-06-25 12:14:24,504 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-25 12:14:24,504 INFO ]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-06-25 12:14:24,504 INFO ]: Start difference. First operand 11 states and 11 transitions. Second operand 10 states. [2018-06-25 12:14:24,667 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 12:14:24,667 INFO ]: Finished difference Result 12 states and 12 transitions. [2018-06-25 12:14:24,667 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-25 12:14:24,668 INFO ]: Start accepts. Automaton has 10 states. Word has length 10 [2018-06-25 12:14:24,668 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 12:14:24,668 INFO ]: With dead ends: 12 [2018-06-25 12:14:24,668 INFO ]: Without dead ends: 12 [2018-06-25 12:14:24,668 INFO ]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-06-25 12:14:24,668 INFO ]: Start minimizeSevpa. Operand 12 states. [2018-06-25 12:14:24,670 INFO ]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-06-25 12:14:24,670 INFO ]: Start removeUnreachable. Operand 12 states. [2018-06-25 12:14:24,670 INFO ]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-06-25 12:14:24,670 INFO ]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-06-25 12:14:24,670 INFO ]: Finished accepts. word is rejected. [2018-06-25 12:14:24,670 INFO ]: Abstraction has 12 states and 12 transitions. [2018-06-25 12:14:24,670 INFO ]: Interpolant automaton has 10 states. [2018-06-25 12:14:24,670 INFO ]: Start isEmpty. Operand 12 states and 12 transitions. [2018-06-25 12:14:24,671 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-25 12:14:24,671 INFO ]: Found error trace [2018-06-25 12:14:24,671 INFO ]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 12:14:24,671 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 12:14:24,671 INFO ]: Analyzing trace with hash 201204236, now seen corresponding path program 3 times [2018-06-25 12:14:24,671 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 12:14:24,671 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 12:14:24,672 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:24,672 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-25 12:14:24,672 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:24,860 INFO ]: Conjunction of SSA is unsat [2018-06-25 12:14:25,616 WARN ]: Spent 226.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-06-25 12:14:26,027 WARN ]: Spent 316.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-06-25 12:14:26,232 INFO ]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 12:14:26,232 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 12:14:26,232 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) [2018-06-25 12:14:26,246 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 12:14:26,445 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-06-25 12:14:26,445 INFO ]: Conjunction of SSA is unsat [2018-06-25 12:14:26,462 INFO ]: Computing forward predicates... [2018-06-25 12:14:27,105 WARN ]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-06-25 12:14:28,588 WARN ]: Spent 648.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-06-25 12:14:34,638 WARN ]: Spent 2.67 s on a formula simplification. DAG size of input: 313 DAG size of output: 117 [2018-06-25 12:14:35,224 WARN ]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-06-25 12:14:35,240 INFO ]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 12:14:35,273 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 12:14:35,273 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-06-25 12:14:35,273 INFO ]: Interpolant automaton has 12 states [2018-06-25 12:14:35,274 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-25 12:14:35,274 INFO ]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-06-25 12:14:35,274 INFO ]: Start difference. First operand 12 states and 12 transitions. Second operand 12 states. [2018-06-25 12:14:35,725 WARN ]: Spent 346.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-06-25 12:14:36,255 WARN ]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-06-25 12:14:37,140 WARN ]: Spent 774.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2018-06-25 12:14:37,391 WARN ]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-06-25 12:14:37,507 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 12:14:37,507 INFO ]: Finished difference Result 14 states and 14 transitions. [2018-06-25 12:14:37,510 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-25 12:14:37,510 INFO ]: Start accepts. Automaton has 12 states. Word has length 11 [2018-06-25 12:14:37,510 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 12:14:37,511 INFO ]: With dead ends: 14 [2018-06-25 12:14:37,511 INFO ]: Without dead ends: 14 [2018-06-25 12:14:37,511 INFO ]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2018-06-25 12:14:37,511 INFO ]: Start minimizeSevpa. Operand 14 states. [2018-06-25 12:14:37,513 INFO ]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-06-25 12:14:37,513 INFO ]: Start removeUnreachable. Operand 14 states. [2018-06-25 12:14:37,513 INFO ]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-06-25 12:14:37,513 INFO ]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-06-25 12:14:37,513 INFO ]: Finished accepts. word is rejected. [2018-06-25 12:14:37,513 INFO ]: Abstraction has 14 states and 14 transitions. [2018-06-25 12:14:37,513 INFO ]: Interpolant automaton has 12 states. [2018-06-25 12:14:37,513 INFO ]: Start isEmpty. Operand 14 states and 14 transitions. [2018-06-25 12:14:37,514 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-25 12:14:37,514 INFO ]: Found error trace [2018-06-25 12:14:37,514 INFO ]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 12:14:37,514 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 12:14:37,514 INFO ]: Analyzing trace with hash 23503628, now seen corresponding path program 4 times [2018-06-25 12:14:37,514 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 12:14:37,514 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 12:14:37,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:37,515 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-25 12:14:37,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 12:14:37,902 INFO ]: Conjunction of SSA is unsat [2018-06-25 12:14:38,968 WARN ]: Spent 349.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 15 [2018-06-25 12:14:39,803 WARN ]: Spent 765.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 40 [2018-06-25 12:14:39,875 INFO ]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 12:14:39,875 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 12:14:39,875 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 [2018-06-25 12:14:39,891 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-25 12:14:40,146 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-25 12:14:40,146 INFO ]: Conjunction of SSA is unsat [2018-06-25 12:14:40,166 INFO ]: Computing forward predicates... [2018-06-25 12:14:42,661 WARN ]: Spent 1.64 s on a formula simplification. DAG size of input: 113 DAG size of output: 19 [2018-06-25 12:14:43,640 WARN ]: Spent 491.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 11 [2018-06-25 12:14:50,918 WARN ]: Spent 2.06 s on a formula simplification. DAG size of input: 275 DAG size of output: 117 [2018-06-25 12:15:08,836 WARN ]: Simplifying disjunction of 29591 conjuctions. This might take some time... Received shutdown request... [2018-06-25 12:15:20,807 INFO ]: Timeout while computing interpolants [2018-06-25 12:15:21,008 WARN ]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 12:15:21,008 WARN ]: Verification canceled [2018-06-25 12:15:21,012 WARN ]: Timeout [2018-06-25 12:15:21,018 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 12:15:21 BoogieIcfgContainer [2018-06-25 12:15:21,018 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 12:15:21,018 INFO ]: Toolchain (without parser) took 62225.13 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 241.8 MB in the beginning and 492.6 MB in the end (delta: -250.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-25 12:15:21,019 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 12:15:21,019 INFO ]: ChcToBoogie took 76.76 ms. Allocated memory is still 309.3 MB. Free memory was 241.8 MB in the beginning and 238.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-25 12:15:21,020 INFO ]: Boogie Preprocessor took 56.76 ms. Allocated memory is still 309.3 MB. Free memory was 238.8 MB in the beginning and 235.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-25 12:15:21,020 INFO ]: RCFGBuilder took 505.94 ms. Allocated memory is still 309.3 MB. Free memory was 235.8 MB in the beginning and 202.8 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 3.6 GB. [2018-06-25 12:15:21,020 INFO ]: TraceAbstraction took 61573.62 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 202.8 MB in the beginning and 492.6 MB in the end (delta: -289.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-25 12:15:21,022 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 76.76 ms. Allocated memory is still 309.3 MB. Free memory was 241.8 MB in the beginning and 238.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 56.76 ms. Allocated memory is still 309.3 MB. Free memory was 238.8 MB in the beginning and 235.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 505.94 ms. Allocated memory is still 309.3 MB. Free memory was 235.8 MB in the beginning and 202.8 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 61573.62 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 202.8 MB in the beginning and 492.6 MB in the end (delta: -289.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 29591 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 61.5s OverallTime, 5 OverallIterations, 6 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28 SDtfs, 6 SDslu, 77 SDs, 0 SdLazy, 33 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 4564 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1277 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/34 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/s3_srvr_16.cil.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_12-15-21-031.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr_16.cil.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_12-15-21-031.csv Completed graceful shutdown