java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_6.cil.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 14:21:40,257 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 14:21:40,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 14:21:40,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 14:21:40,272 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 14:21:40,273 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 14:21:40,274 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 14:21:40,278 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 14:21:40,283 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 14:21:40,284 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 14:21:40,285 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 14:21:40,285 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 14:21:40,286 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 14:21:40,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 14:21:40,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 14:21:40,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 14:21:40,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 14:21:40,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 14:21:40,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 14:21:40,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 14:21:40,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 14:21:40,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 14:21:40,313 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 14:21:40,313 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 14:21:40,314 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 14:21:40,315 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 14:21:40,316 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 14:21:40,322 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 14:21:40,323 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 14:21:40,323 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 14:21:40,323 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 14:21:40,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 14:21:40,324 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 14:21:40,325 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 14:21:40,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 14:21:40,331 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 14:21:40,352 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 14:21:40,352 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 14:21:40,352 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 14:21:40,352 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 14:21:40,353 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 14:21:40,353 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 14:21:40,357 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 14:21:40,357 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 14:21:40,357 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 14:21:40,357 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 14:21:40,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 14:21:40,358 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 14:21:40,358 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 14:21:40,358 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 14:21:40,358 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 14:21:40,358 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 14:21:40,358 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 14:21:40,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 14:21:40,359 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 14:21:40,361 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 14:21:40,361 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 14:21:40,409 INFO ]: Repository-Root is: /tmp [2018-06-22 14:21:40,422 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 14:21:40,428 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 14:21:40,430 INFO ]: Initializing SmtParser... [2018-06-22 14:21:40,430 INFO ]: SmtParser initialized [2018-06-22 14:21:40,431 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_6.cil.smt2 [2018-06-22 14:21:40,432 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 14:21:40,520 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_6.cil.smt2 unknown [2018-06-22 14:21:41,087 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_6.cil.smt2 [2018-06-22 14:21:41,091 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 14:21:41,106 INFO ]: Walking toolchain with 4 elements. [2018-06-22 14:21:41,107 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 14:21:41,107 INFO ]: Initializing ChcToBoogie... [2018-06-22 14:21:41,107 INFO ]: ChcToBoogie initialized [2018-06-22 14:21:41,110 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:21:41" (1/1) ... [2018-06-22 14:21:41,216 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41 Unit [2018-06-22 14:21:41,216 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 14:21:41,217 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 14:21:41,217 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 14:21:41,217 INFO ]: Boogie Preprocessor initialized [2018-06-22 14:21:41,240 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41" (1/1) ... [2018-06-22 14:21:41,240 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41" (1/1) ... [2018-06-22 14:21:41,266 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41" (1/1) ... [2018-06-22 14:21:41,266 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41" (1/1) ... [2018-06-22 14:21:41,289 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41" (1/1) ... [2018-06-22 14:21:41,290 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41" (1/1) ... [2018-06-22 14:21:41,298 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41" (1/1) ... [2018-06-22 14:21:41,307 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 14:21:41,308 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 14:21:41,308 INFO ]: Initializing RCFGBuilder... [2018-06-22 14:21:41,308 INFO ]: RCFGBuilder initialized [2018-06-22 14:21:41,309 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41" (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 14:21:41,338 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 14:21:41,338 INFO ]: Found specification of procedure False [2018-06-22 14:21:41,338 INFO ]: Found implementation of procedure False [2018-06-22 14:21:41,338 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 14:21:41,338 INFO ]: Found specification of procedure state [2018-06-22 14:21:41,338 INFO ]: Found implementation of procedure state [2018-06-22 14:21:41,338 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 14:21:41,338 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 14:21:41,338 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 14:21:41,790 INFO ]: Using library mode [2018-06-22 14:21:41,790 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:21:41 BoogieIcfgContainer [2018-06-22 14:21:41,790 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 14:21:41,792 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 14:21:41,792 INFO ]: Initializing TraceAbstraction... [2018-06-22 14:21:41,795 INFO ]: TraceAbstraction initialized [2018-06-22 14:21:41,795 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:21:41" (1/3) ... [2018-06-22 14:21:41,796 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf7267f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 02:21:41, skipping insertion in model container [2018-06-22 14:21:41,796 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:21:41" (2/3) ... [2018-06-22 14:21:41,796 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf7267f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:21:41, skipping insertion in model container [2018-06-22 14:21:41,796 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:21:41" (3/3) ... [2018-06-22 14:21:41,799 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 14:21:41,808 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 14:21:41,820 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 14:21:41,866 INFO ]: Using default assertion order modulation [2018-06-22 14:21:41,867 INFO ]: Interprodecural is true [2018-06-22 14:21:41,867 INFO ]: Hoare is false [2018-06-22 14:21:41,867 INFO ]: Compute interpolants for FPandBP [2018-06-22 14:21:41,867 INFO ]: Backedges is TWOTRACK [2018-06-22 14:21:41,867 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 14:21:41,867 INFO ]: Difference is false [2018-06-22 14:21:41,867 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 14:21:41,867 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 14:21:41,881 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 14:21:41,893 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 14:21:41,894 INFO ]: Found error trace [2018-06-22 14:21:41,894 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:21:41,895 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:21:41,900 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 14:21:41,902 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:21:41,903 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:21:41,939 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:21:41,939 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 14:21:41,939 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:21:41,985 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:21:42,143 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 14:21:42,145 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 14:21:42,146 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 14:21:42,147 INFO ]: Interpolant automaton has 4 states [2018-06-22 14:21:42,159 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 14:21:42,160 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 14:21:42,163 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 14:21:42,332 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 14:21:42,332 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 14:21:42,333 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 14:21:42,334 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 14:21:42,335 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 14:21:42,350 INFO ]: With dead ends: 13 [2018-06-22 14:21:42,350 INFO ]: Without dead ends: 13 [2018-06-22 14:21:42,352 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 14:21:42,371 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 14:21:42,409 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 14:21:42,410 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 14:21:42,410 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 14:21:42,414 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 14:21:42,414 INFO ]: Finished accepts. word is rejected. [2018-06-22 14:21:42,414 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 14:21:42,414 INFO ]: Interpolant automaton has 4 states. [2018-06-22 14:21:42,414 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 14:21:42,415 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 14:21:42,415 INFO ]: Found error trace [2018-06-22 14:21:42,415 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:21:42,416 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:21:42,416 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 14:21:42,416 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:21:42,416 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:21:42,416 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:21:42,417 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 14:21:42,417 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:21:42,583 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:21:42,869 WARN ]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-06-22 14:21:42,905 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 14:21:42,905 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 14:21:42,905 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 14:21:42,912 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 14:21:42,982 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:21:43,001 INFO ]: Computing forward predicates... [2018-06-22 14:21:43,947 WARN ]: Spent 472.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-06-22 14:21:44,298 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 14:21:44,326 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 14:21:44,326 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-06-22 14:21:44,327 INFO ]: Interpolant automaton has 8 states [2018-06-22 14:21:44,327 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 14:21:44,327 INFO ]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-06-22 14:21:44,327 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 8 states. [2018-06-22 14:21:44,670 WARN ]: Spent 132.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-06-22 14:21:44,770 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 14:21:44,770 INFO ]: Finished difference Result 17 states and 18 transitions. [2018-06-22 14:21:44,771 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 14:21:44,771 INFO ]: Start accepts. Automaton has 8 states. Word has length 13 [2018-06-22 14:21:44,771 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 14:21:44,772 INFO ]: With dead ends: 17 [2018-06-22 14:21:44,772 INFO ]: Without dead ends: 17 [2018-06-22 14:21:44,773 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-06-22 14:21:44,773 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 14:21:44,776 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 14:21:44,776 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 14:21:44,776 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-06-22 14:21:44,776 INFO ]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2018-06-22 14:21:44,776 INFO ]: Finished accepts. word is rejected. [2018-06-22 14:21:44,776 INFO ]: Abstraction has 17 states and 18 transitions. [2018-06-22 14:21:44,776 INFO ]: Interpolant automaton has 8 states. [2018-06-22 14:21:44,777 INFO ]: Start isEmpty. Operand 17 states and 18 transitions. [2018-06-22 14:21:44,777 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 14:21:44,777 INFO ]: Found error trace [2018-06-22 14:21:44,777 INFO ]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:21:44,777 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:21:44,777 INFO ]: Analyzing trace with hash 2119922091, now seen corresponding path program 2 times [2018-06-22 14:21:44,777 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:21:44,777 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:21:44,778 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:21:44,778 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 14:21:44,778 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:21:44,939 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:21:45,722 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 14:21:45,722 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 14:21:45,722 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 14:21:45,730 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 14:21:45,864 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 14:21:45,864 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:21:45,876 INFO ]: Computing forward predicates... [2018-06-22 14:21:47,504 WARN ]: Spent 1.15 s on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-06-22 14:21:49,032 WARN ]: Spent 1.04 s on a formula simplification. DAG size of input: 29 DAG size of output: 17 [2018-06-22 14:21:49,603 WARN ]: Spent 133.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 19 [2018-06-22 14:21:49,641 INFO ]: Checked inductivity of 21 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 14:21:49,668 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 14:21:49,668 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2018-06-22 14:21:49,668 INFO ]: Interpolant automaton has 14 states [2018-06-22 14:21:49,669 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 14:21:49,669 INFO ]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-06-22 14:21:49,670 INFO ]: Start difference. First operand 17 states and 18 transitions. Second operand 14 states. [2018-06-22 14:21:50,122 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 14:21:50,122 INFO ]: Finished difference Result 19 states and 20 transitions. [2018-06-22 14:21:50,123 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 14:21:50,123 INFO ]: Start accepts. Automaton has 14 states. Word has length 21 [2018-06-22 14:21:50,123 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 14:21:50,124 INFO ]: With dead ends: 19 [2018-06-22 14:21:50,124 INFO ]: Without dead ends: 19 [2018-06-22 14:21:50,124 INFO ]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2018-06-22 14:21:50,124 INFO ]: Start minimizeSevpa. Operand 19 states. [2018-06-22 14:21:50,127 INFO ]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-06-22 14:21:50,127 INFO ]: Start removeUnreachable. Operand 19 states. [2018-06-22 14:21:50,128 INFO ]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-06-22 14:21:50,128 INFO ]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 21 [2018-06-22 14:21:50,128 INFO ]: Finished accepts. word is rejected. [2018-06-22 14:21:50,128 INFO ]: Abstraction has 19 states and 20 transitions. [2018-06-22 14:21:50,128 INFO ]: Interpolant automaton has 14 states. [2018-06-22 14:21:50,128 INFO ]: Start isEmpty. Operand 19 states and 20 transitions. [2018-06-22 14:21:50,129 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 14:21:50,129 INFO ]: Found error trace [2018-06-22 14:21:50,129 INFO ]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:21:50,129 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:21:50,129 INFO ]: Analyzing trace with hash 1762711629, now seen corresponding path program 3 times [2018-06-22 14:21:50,129 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:21:50,129 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:21:50,130 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:21:50,130 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 14:21:50,130 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:21:50,340 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:21:50,804 WARN ]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-06-22 14:21:51,315 WARN ]: Spent 442.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 13 [2018-06-22 14:21:51,410 INFO ]: Checked inductivity of 36 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 14:21:51,410 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 14:21:51,410 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 14:21:51,425 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 14:21:51,602 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-06-22 14:21:51,602 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:21:51,617 INFO ]: Computing forward predicates... [2018-06-22 14:21:52,530 WARN ]: Spent 523.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-06-22 14:22:05,665 WARN ]: Spent 11.35 s on a formula simplification. DAG size of input: 562 DAG size of output: 252 [2018-06-22 14:22:07,666 WARN ]: Spent 1.21 s on a formula simplification. DAG size of input: 123 DAG size of output: 35 [2018-06-22 14:22:08,351 WARN ]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-06-22 14:22:08,996 WARN ]: Spent 307.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-06-22 14:22:09,386 INFO ]: Checked inductivity of 36 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 14:22:09,412 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 14:22:09,412 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2018-06-22 14:22:09,412 INFO ]: Interpolant automaton has 19 states [2018-06-22 14:22:09,413 INFO ]: Constructing interpolant automaton starting with 19 interpolants. [2018-06-22 14:22:09,413 INFO ]: CoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2018-06-22 14:22:09,413 INFO ]: Start difference. First operand 19 states and 20 transitions. Second operand 19 states. [2018-06-22 14:22:12,345 WARN ]: Spent 2.81 s on a formula simplification. DAG size of input: 278 DAG size of output: 276 [2018-06-22 14:22:13,627 WARN ]: Spent 1.11 s on a formula simplification. DAG size of input: 270 DAG size of output: 123 [2018-06-22 14:22:14,761 WARN ]: Spent 1.08 s on a formula simplification. DAG size of input: 275 DAG size of output: 129 [2018-06-22 14:22:17,528 WARN ]: Spent 2.68 s on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2018-06-22 14:22:20,189 WARN ]: Spent 2.57 s on a formula simplification. DAG size of input: 278 DAG size of output: 274 [2018-06-22 14:22:20,257 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 14:22:20,257 INFO ]: Finished difference Result 21 states and 22 transitions. [2018-06-22 14:22:20,264 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 14:22:20,264 INFO ]: Start accepts. Automaton has 19 states. Word has length 25 [2018-06-22 14:22:20,265 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 14:22:20,265 INFO ]: With dead ends: 21 [2018-06-22 14:22:20,265 INFO ]: Without dead ends: 21 [2018-06-22 14:22:20,266 INFO ]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 27.4s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2018-06-22 14:22:20,266 INFO ]: Start minimizeSevpa. Operand 21 states. [2018-06-22 14:22:20,269 INFO ]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-06-22 14:22:20,269 INFO ]: Start removeUnreachable. Operand 21 states. [2018-06-22 14:22:20,270 INFO ]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-06-22 14:22:20,270 INFO ]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 25 [2018-06-22 14:22:20,270 INFO ]: Finished accepts. word is rejected. [2018-06-22 14:22:20,270 INFO ]: Abstraction has 21 states and 22 transitions. [2018-06-22 14:22:20,270 INFO ]: Interpolant automaton has 19 states. [2018-06-22 14:22:20,270 INFO ]: Start isEmpty. Operand 21 states and 22 transitions. [2018-06-22 14:22:20,271 INFO ]: Finished isEmpty. Found accepting run of length 30 [2018-06-22 14:22:20,271 INFO ]: Found error trace [2018-06-22 14:22:20,271 INFO ]: trace histogram [6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:22:20,271 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:22:20,271 INFO ]: Analyzing trace with hash 853117551, now seen corresponding path program 4 times [2018-06-22 14:22:20,271 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:22:20,271 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:22:20,272 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:22:20,272 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 14:22:20,272 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:22:20,495 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:22:21,132 WARN ]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-06-22 14:22:21,427 WARN ]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2018-06-22 14:22:21,945 INFO ]: Checked inductivity of 55 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-06-22 14:22:21,945 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 14:22:21,945 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 14:22:21,951 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 14:22:22,127 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 14:22:22,127 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:22:22,146 INFO ]: Computing forward predicates... [2018-06-22 14:22:24,406 WARN ]: Spent 1.71 s on a formula simplification. DAG size of input: 223 DAG size of output: 115 [2018-06-22 14:22:33,100 WARN ]: Spent 7.61 s on a formula simplification. DAG size of input: 596 DAG size of output: 147 Received shutdown request... [2018-06-22 14:22:39,546 WARN ]: Removed 424 from assertion stack [2018-06-22 14:22:39,546 INFO ]: Timeout while computing interpolants [2018-06-22 14:22:39,746 WARN ]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 14:22:39,747 WARN ]: Verification canceled [2018-06-22 14:22:39,750 WARN ]: Timeout [2018-06-22 14:22:39,751 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:22:39 BoogieIcfgContainer [2018-06-22 14:22:39,751 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 14:22:39,751 INFO ]: Toolchain (without parser) took 58659.51 ms. Allocated memory was 308.8 MB in the beginning and 1.2 GB in the end (delta: 850.9 MB). Free memory was 240.4 MB in the beginning and 429.2 MB in the end (delta: -188.8 MB). Peak memory consumption was 915.9 MB. Max. memory is 3.6 GB. [2018-06-22 14:22:39,752 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 14:22:39,752 INFO ]: ChcToBoogie took 109.53 ms. Allocated memory is still 308.8 MB. Free memory was 240.4 MB in the beginning and 237.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 14:22:39,752 INFO ]: Boogie Preprocessor took 90.51 ms. Allocated memory is still 308.8 MB. Free memory was 237.4 MB in the beginning and 235.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 14:22:39,753 INFO ]: RCFGBuilder took 482.75 ms. Allocated memory is still 308.8 MB. Free memory was 235.4 MB in the beginning and 206.3 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 3.6 GB. [2018-06-22 14:22:39,753 INFO ]: TraceAbstraction took 57959.10 ms. Allocated memory was 308.8 MB in the beginning and 1.2 GB in the end (delta: 850.9 MB). Free memory was 206.3 MB in the beginning and 429.2 MB in the end (delta: -222.8 MB). Peak memory consumption was 881.9 MB. Max. memory is 3.6 GB. [2018-06-22 14:22:39,755 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 109.53 ms. Allocated memory is still 308.8 MB. Free memory was 240.4 MB in the beginning and 237.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 90.51 ms. Allocated memory is still 308.8 MB. Free memory was 237.4 MB in the beginning and 235.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 482.75 ms. Allocated memory is still 308.8 MB. Free memory was 235.4 MB in the beginning and 206.3 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 57959.10 ms. Allocated memory was 308.8 MB in the beginning and 1.2 GB in the end (delta: 850.9 MB). Free memory was 206.3 MB in the beginning and 429.2 MB in the end (delta: -222.8 MB). Peak memory consumption was 881.9 MB. 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 30 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 739. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 57.8s OverallTime, 5 OverallIterations, 6 TraceHistogramMax, 11.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 SDtfs, 51 SDslu, 145 SDs, 0 SdLazy, 116 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 32.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 25.1s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 58432 SizeOfPredicates, 1117 NumberOfNonLiveVariables, 1073 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 40/120 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_6.cil.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_14-22-39-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr_6.cil.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_14-22-39-771.csv Completed graceful shutdown