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/metros_2_e2_704_e2_13.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 09:07:36,349 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 09:07:36,351 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 09:07:36,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 09:07:36,362 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 09:07:36,363 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 09:07:36,364 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 09:07:36,368 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 09:07:36,370 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 09:07:36,371 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 09:07:36,371 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 09:07:36,372 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 09:07:36,372 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 09:07:36,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 09:07:36,375 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 09:07:36,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 09:07:36,380 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 09:07:36,382 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 09:07:36,383 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 09:07:36,396 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 09:07:36,397 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 09:07:36,399 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 09:07:36,400 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 09:07:36,400 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 09:07:36,400 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 09:07:36,401 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 09:07:36,402 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 09:07:36,403 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 09:07:36,403 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 09:07:36,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 09:07:36,404 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 09:07:36,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 09:07:36,405 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 09:07:36,406 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 09:07:36,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 09:07:36,406 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 09:07:36,419 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 09:07:36,419 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 09:07:36,419 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 09:07:36,419 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 09:07:36,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 09:07:36,420 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 09:07:36,421 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 09:07:36,421 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 09:07:36,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 09:07:36,421 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 09:07:36,421 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 09:07:36,422 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 09:07:36,422 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 09:07:36,422 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 09:07:36,422 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 09:07:36,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 09:07:36,423 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 09:07:36,424 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 09:07:36,424 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 09:07:36,479 INFO ]: Repository-Root is: /tmp [2018-06-22 09:07:36,495 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 09:07:36,501 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 09:07:36,502 INFO ]: Initializing SmtParser... [2018-06-22 09:07:36,503 INFO ]: SmtParser initialized [2018-06-22 09:07:36,503 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/metros_2_e2_704_e2_13.smt2 [2018-06-22 09:07:36,504 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 09:07:36,596 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/metros_2_e2_704_e2_13.smt2 unknown [2018-06-22 09:07:37,001 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/metros_2_e2_704_e2_13.smt2 [2018-06-22 09:07:37,005 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 09:07:37,011 INFO ]: Walking toolchain with 4 elements. [2018-06-22 09:07:37,011 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 09:07:37,011 INFO ]: Initializing ChcToBoogie... [2018-06-22 09:07:37,011 INFO ]: ChcToBoogie initialized [2018-06-22 09:07:37,015 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 09:07:37" (1/1) ... [2018-06-22 09:07:37,083 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37 Unit [2018-06-22 09:07:37,083 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 09:07:37,084 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 09:07:37,084 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 09:07:37,084 INFO ]: Boogie Preprocessor initialized [2018-06-22 09:07:37,101 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37" (1/1) ... [2018-06-22 09:07:37,101 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37" (1/1) ... [2018-06-22 09:07:37,110 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37" (1/1) ... [2018-06-22 09:07:37,117 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37" (1/1) ... [2018-06-22 09:07:37,123 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37" (1/1) ... [2018-06-22 09:07:37,128 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37" (1/1) ... [2018-06-22 09:07:37,130 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37" (1/1) ... [2018-06-22 09:07:37,134 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 09:07:37,134 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 09:07:37,134 INFO ]: Initializing RCFGBuilder... [2018-06-22 09:07:37,134 INFO ]: RCFGBuilder initialized [2018-06-22 09:07:37,135 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 09:07:37,149 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 09:07:37,149 INFO ]: Found specification of procedure gotoProc [2018-06-22 09:07:37,150 INFO ]: Found implementation of procedure gotoProc [2018-06-22 09:07:37,150 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 09:07:37,150 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 09:07:37,150 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 09:07:37,623 INFO ]: Using library mode [2018-06-22 09:07:37,624 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 09:07:37 BoogieIcfgContainer [2018-06-22 09:07:37,624 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 09:07:37,625 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 09:07:37,626 INFO ]: Initializing TraceAbstraction... [2018-06-22 09:07:37,632 INFO ]: TraceAbstraction initialized [2018-06-22 09:07:37,632 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 09:07:37" (1/3) ... [2018-06-22 09:07:37,633 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17abd6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 09:07:37, skipping insertion in model container [2018-06-22 09:07:37,633 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:07:37" (2/3) ... [2018-06-22 09:07:37,633 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17abd6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 09:07:37, skipping insertion in model container [2018-06-22 09:07:37,633 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 09:07:37" (3/3) ... [2018-06-22 09:07:37,635 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 09:07:37,644 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 09:07:37,652 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 09:07:37,692 INFO ]: Using default assertion order modulation [2018-06-22 09:07:37,693 INFO ]: Interprodecural is true [2018-06-22 09:07:37,693 INFO ]: Hoare is false [2018-06-22 09:07:37,693 INFO ]: Compute interpolants for FPandBP [2018-06-22 09:07:37,693 INFO ]: Backedges is TWOTRACK [2018-06-22 09:07:37,693 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 09:07:37,693 INFO ]: Difference is false [2018-06-22 09:07:37,693 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 09:07:37,693 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 09:07:37,705 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 09:07:37,713 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 09:07:37,713 INFO ]: Found error trace [2018-06-22 09:07:37,714 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 09:07:37,714 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 09:07:37,718 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 09:07:37,719 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 09:07:37,719 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 09:07:37,755 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:37,756 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 09:07:37,756 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:37,855 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:07:37,986 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:07:37,989 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 09:07:37,989 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 09:07:37,990 INFO ]: Interpolant automaton has 3 states [2018-06-22 09:07:38,005 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 09:07:38,006 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 09:07:38,009 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 09:07:38,088 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 09:07:38,088 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 09:07:38,090 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 09:07:38,091 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 09:07:38,092 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 09:07:38,099 INFO ]: With dead ends: 9 [2018-06-22 09:07:38,099 INFO ]: Without dead ends: 9 [2018-06-22 09:07:38,101 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 09:07:38,118 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 09:07:38,141 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 09:07:38,142 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 09:07:38,142 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 09:07:38,144 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 09:07:38,144 INFO ]: Finished accepts. word is rejected. [2018-06-22 09:07:38,144 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 09:07:38,144 INFO ]: Interpolant automaton has 3 states. [2018-06-22 09:07:38,144 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 09:07:38,144 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 09:07:38,144 INFO ]: Found error trace [2018-06-22 09:07:38,144 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 09:07:38,144 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 09:07:38,144 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 09:07:38,144 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 09:07:38,144 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 09:07:38,145 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:38,145 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 09:07:38,145 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:38,273 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:07:38,485 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:07:38,485 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 09:07:38,485 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 09:07:38,495 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 09:07:38,670 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:07:38,681 INFO ]: Computing forward predicates... [2018-06-22 09:07:39,011 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:07:39,032 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 09:07:39,032 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 09:07:39,033 INFO ]: Interpolant automaton has 6 states [2018-06-22 09:07:39,033 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 09:07:39,033 INFO ]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-06-22 09:07:39,033 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 09:07:39,204 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 09:07:39,205 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 09:07:39,206 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 09:07:39,206 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 09:07:39,206 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 09:07:39,206 INFO ]: With dead ends: 11 [2018-06-22 09:07:39,206 INFO ]: Without dead ends: 11 [2018-06-22 09:07:39,207 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-06-22 09:07:39,207 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 09:07:39,208 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 09:07:39,208 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 09:07:39,208 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 09:07:39,208 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 09:07:39,208 INFO ]: Finished accepts. word is rejected. [2018-06-22 09:07:39,208 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 09:07:39,208 INFO ]: Interpolant automaton has 6 states. [2018-06-22 09:07:39,209 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 09:07:39,211 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 09:07:39,211 INFO ]: Found error trace [2018-06-22 09:07:39,211 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 09:07:39,211 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 09:07:39,211 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-22 09:07:39,211 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 09:07:39,211 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 09:07:39,212 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:39,212 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 09:07:39,212 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:39,370 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:07:40,125 WARN ]: Spent 559.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2018-06-22 09:07:40,303 WARN ]: Spent 113.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2018-06-22 09:07:40,312 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:07:40,312 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 09:07:40,312 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 09:07:40,323 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 09:07:40,526 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 09:07:40,526 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:07:40,535 INFO ]: Computing forward predicates... [2018-06-22 09:07:41,002 WARN ]: Spent 180.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2018-06-22 09:07:41,102 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:07:41,122 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 09:07:41,122 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-06-22 09:07:41,122 INFO ]: Interpolant automaton has 10 states [2018-06-22 09:07:41,122 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 09:07:41,123 INFO ]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-06-22 09:07:41,123 INFO ]: Start difference. First operand 11 states and 11 transitions. Second operand 10 states. [2018-06-22 09:07:41,285 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 09:07:41,285 INFO ]: Finished difference Result 14 states and 14 transitions. [2018-06-22 09:07:41,286 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 09:07:41,286 INFO ]: Start accepts. Automaton has 10 states. Word has length 10 [2018-06-22 09:07:41,286 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 09:07:41,286 INFO ]: With dead ends: 14 [2018-06-22 09:07:41,286 INFO ]: Without dead ends: 14 [2018-06-22 09:07:41,287 INFO ]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-06-22 09:07:41,287 INFO ]: Start minimizeSevpa. Operand 14 states. [2018-06-22 09:07:41,288 INFO ]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-06-22 09:07:41,288 INFO ]: Start removeUnreachable. Operand 14 states. [2018-06-22 09:07:41,289 INFO ]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-06-22 09:07:41,289 INFO ]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2018-06-22 09:07:41,289 INFO ]: Finished accepts. word is rejected. [2018-06-22 09:07:41,289 INFO ]: Abstraction has 14 states and 14 transitions. [2018-06-22 09:07:41,289 INFO ]: Interpolant automaton has 10 states. [2018-06-22 09:07:41,289 INFO ]: Start isEmpty. Operand 14 states and 14 transitions. [2018-06-22 09:07:41,289 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 09:07:41,289 INFO ]: Found error trace [2018-06-22 09:07:41,289 INFO ]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 09:07:41,290 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 09:07:41,290 INFO ]: Analyzing trace with hash 679342766, now seen corresponding path program 3 times [2018-06-22 09:07:41,290 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 09:07:41,290 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 09:07:41,290 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:41,290 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 09:07:41,291 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:41,897 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:07:42,538 WARN ]: Spent 159.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 12 [2018-06-22 09:07:42,777 WARN ]: Spent 197.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 12 [2018-06-22 09:07:43,011 WARN ]: Spent 216.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 12 [2018-06-22 09:07:43,230 WARN ]: Spent 182.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 12 [2018-06-22 09:07:43,236 INFO ]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:07:43,236 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 09:07:43,236 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 09:07:43,242 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 09:07:43,517 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-06-22 09:07:43,517 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:07:43,528 INFO ]: Computing forward predicates... [2018-06-22 09:07:43,755 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 09:07:43,820 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 09:07:44,091 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 09:07:44,097 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 09:07:44,143 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 09:07:44,153 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 09:07:44,541 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 09:07:44,543 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 09:07:44,544 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 09:07:44,545 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 09:07:44,740 INFO ]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:07:44,761 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 09:07:44,761 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2018-06-22 09:07:44,762 INFO ]: Interpolant automaton has 16 states [2018-06-22 09:07:44,762 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 09:07:44,762 INFO ]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-06-22 09:07:44,762 INFO ]: Start difference. First operand 14 states and 14 transitions. Second operand 16 states. [2018-06-22 09:07:44,962 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 09:07:44,962 INFO ]: Finished difference Result 16 states and 16 transitions. [2018-06-22 09:07:44,964 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-22 09:07:44,964 INFO ]: Start accepts. Automaton has 16 states. Word has length 13 [2018-06-22 09:07:44,964 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 09:07:44,964 INFO ]: With dead ends: 16 [2018-06-22 09:07:44,964 INFO ]: Without dead ends: 16 [2018-06-22 09:07:44,964 INFO ]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2018-06-22 09:07:44,964 INFO ]: Start minimizeSevpa. Operand 16 states. [2018-06-22 09:07:44,966 INFO ]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-06-22 09:07:44,966 INFO ]: Start removeUnreachable. Operand 16 states. [2018-06-22 09:07:44,966 INFO ]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-06-22 09:07:44,966 INFO ]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2018-06-22 09:07:44,966 INFO ]: Finished accepts. word is rejected. [2018-06-22 09:07:44,966 INFO ]: Abstraction has 16 states and 16 transitions. [2018-06-22 09:07:44,966 INFO ]: Interpolant automaton has 16 states. [2018-06-22 09:07:44,967 INFO ]: Start isEmpty. Operand 16 states and 16 transitions. [2018-06-22 09:07:44,967 INFO ]: Finished isEmpty. Found accepting run of length 16 [2018-06-22 09:07:44,967 INFO ]: Found error trace [2018-06-22 09:07:44,967 INFO ]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 09:07:44,967 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 09:07:44,967 INFO ]: Analyzing trace with hash 39881678, now seen corresponding path program 4 times [2018-06-22 09:07:44,967 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 09:07:44,967 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 09:07:44,968 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:44,968 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 09:07:44,968 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:07:45,418 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:07:48,625 WARN ]: Spent 1.33 s on a formula simplification. DAG size of input: 108 DAG size of output: 13 [2018-06-22 09:07:49,178 WARN ]: Spent 458.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 13 [2018-06-22 09:07:49,966 WARN ]: Spent 691.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 13 [2018-06-22 09:07:50,909 WARN ]: Spent 783.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 13 [2018-06-22 09:07:51,557 WARN ]: Spent 499.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 13 [2018-06-22 09:07:51,829 WARN ]: Spent 234.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 13 [2018-06-22 09:07:51,876 INFO ]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:07:51,876 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 09:07:51,876 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 09:07:51,883 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 09:07:52,177 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 09:07:52,177 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:07:52,199 INFO ]: Computing forward predicates... [2018-06-22 09:07:52,370 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 09:07:52,377 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 09:07:52,382 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 09:07:52,389 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 09:07:52,393 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 09:07:52,396 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 09:07:52,401 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 09:07:52,405 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 09:07:52,866 WARN ]: expecting exponential blowup for input size 19 Received shutdown request... [2018-06-22 09:08:27,331 INFO ]: Timeout while computing interpolants [2018-06-22 09:08:27,531 WARN ]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 09:08:27,531 WARN ]: Verification canceled [2018-06-22 09:08:27,535 WARN ]: Timeout [2018-06-22 09:08:27,535 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 09:08:27 BoogieIcfgContainer [2018-06-22 09:08:27,535 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 09:08:27,535 INFO ]: Toolchain (without parser) took 50529.70 ms. Allocated memory was 309.3 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 250.9 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 3.6 GB. [2018-06-22 09:08:27,536 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 09:08:27,536 INFO ]: ChcToBoogie took 72.10 ms. Allocated memory is still 309.3 MB. Free memory was 250.9 MB in the beginning and 247.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 09:08:27,537 INFO ]: Boogie Preprocessor took 50.28 ms. Allocated memory is still 309.3 MB. Free memory was 247.9 MB in the beginning and 246.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. [2018-06-22 09:08:27,537 INFO ]: RCFGBuilder took 489.50 ms. Allocated memory is still 309.3 MB. Free memory was 246.9 MB in the beginning and 214.8 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. [2018-06-22 09:08:27,537 INFO ]: TraceAbstraction took 49909.26 ms. Allocated memory was 309.3 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 214.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 3.6 GB. [2018-06-22 09:08:27,539 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 72.10 ms. Allocated memory is still 309.3 MB. Free memory was 250.9 MB in the beginning and 247.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 50.28 ms. Allocated memory is still 309.3 MB. Free memory was 247.9 MB in the beginning and 246.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 489.50 ms. Allocated memory is still 309.3 MB. Free memory was 246.9 MB in the beginning and 214.8 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49909.26 ms. Allocated memory was 309.3 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 214.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.5 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 16 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 19 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 49.8s OverallTime, 5 OverallIterations, 8 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28 SDtfs, 0 SDslu, 100 SDs, 0 SdLazy, 71 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 1.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 3785 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3130 ConjunctsInSsa, 229 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/56 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/metros_2_e2_704_e2_13.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_09-08-27-563.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/metros_2_e2_704_e2_13.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_09-08-27-563.csv Completed graceful shutdown