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/eldarica-misc/LIA/Consistency/graham.27.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 08:27:15,363 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 08:27:15,365 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 08:27:15,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 08:27:15,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 08:27:15,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 08:27:15,383 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 08:27:15,385 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 08:27:15,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 08:27:15,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 08:27:15,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 08:27:15,390 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 08:27:15,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 08:27:15,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 08:27:15,397 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 08:27:15,397 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 08:27:15,410 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 08:27:15,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 08:27:15,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 08:27:15,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 08:27:15,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 08:27:15,418 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 08:27:15,418 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 08:27:15,418 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 08:27:15,423 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 08:27:15,424 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 08:27:15,425 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 08:27:15,425 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 08:27:15,426 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 08:27:15,432 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 08:27:15,433 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 08:27:15,433 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 08:27:15,433 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 08:27:15,434 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 08:27:15,435 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 08:27:15,435 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 08:27:15,453 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 08:27:15,454 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 08:27:15,454 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 08:27:15,454 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 08:27:15,455 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 08:27:15,455 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 08:27:15,456 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 08:27:15,456 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 08:27:15,456 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 08:27:15,456 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 08:27:15,457 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 08:27:15,457 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 08:27:15,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 08:27:15,457 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 08:27:15,457 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 08:27:15,458 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 08:27:15,458 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 08:27:15,458 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 08:27:15,458 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 08:27:15,458 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 08:27:15,459 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 08:27:15,460 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 08:27:15,460 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 08:27:15,504 INFO ]: Repository-Root is: /tmp [2018-06-25 08:27:15,526 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 08:27:15,532 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 08:27:15,536 INFO ]: Initializing SmtParser... [2018-06-25 08:27:15,536 INFO ]: SmtParser initialized [2018-06-25 08:27:15,537 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.27.smt2 [2018-06-25 08:27:15,538 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 08:27:15,633 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.27.smt2 unknown [2018-06-25 08:27:16,144 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.27.smt2 [2018-06-25 08:27:16,150 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 08:27:16,158 INFO ]: Walking toolchain with 4 elements. [2018-06-25 08:27:16,158 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 08:27:16,158 INFO ]: Initializing ChcToBoogie... [2018-06-25 08:27:16,158 INFO ]: ChcToBoogie initialized [2018-06-25 08:27:16,162 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:27:16" (1/1) ... [2018-06-25 08:27:16,281 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16 Unit [2018-06-25 08:27:16,281 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 08:27:16,281 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 08:27:16,281 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 08:27:16,281 INFO ]: Boogie Preprocessor initialized [2018-06-25 08:27:16,303 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16" (1/1) ... [2018-06-25 08:27:16,303 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16" (1/1) ... [2018-06-25 08:27:16,322 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16" (1/1) ... [2018-06-25 08:27:16,322 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16" (1/1) ... [2018-06-25 08:27:16,346 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16" (1/1) ... [2018-06-25 08:27:16,353 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16" (1/1) ... [2018-06-25 08:27:16,356 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16" (1/1) ... [2018-06-25 08:27:16,361 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 08:27:16,362 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 08:27:16,362 INFO ]: Initializing RCFGBuilder... [2018-06-25 08:27:16,362 INFO ]: RCFGBuilder initialized [2018-06-25 08:27:16,363 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-25 08:27:16,373 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 08:27:16,373 INFO ]: Found specification of procedure gotoProc [2018-06-25 08:27:16,373 INFO ]: Found implementation of procedure gotoProc [2018-06-25 08:27:16,373 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 08:27:16,373 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 08:27:16,373 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 08:27:17,825 INFO ]: Using library mode [2018-06-25 08:27:17,826 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:27:17 BoogieIcfgContainer [2018-06-25 08:27:17,826 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 08:27:17,827 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 08:27:17,827 INFO ]: Initializing TraceAbstraction... [2018-06-25 08:27:17,831 INFO ]: TraceAbstraction initialized [2018-06-25 08:27:17,832 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:27:16" (1/3) ... [2018-06-25 08:27:17,832 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8014047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 08:27:17, skipping insertion in model container [2018-06-25 08:27:17,832 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:27:16" (2/3) ... [2018-06-25 08:27:17,833 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8014047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 08:27:17, skipping insertion in model container [2018-06-25 08:27:17,833 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:27:17" (3/3) ... [2018-06-25 08:27:17,834 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 08:27:17,844 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 08:27:17,854 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 08:27:17,908 INFO ]: Using default assertion order modulation [2018-06-25 08:27:17,908 INFO ]: Interprodecural is true [2018-06-25 08:27:17,908 INFO ]: Hoare is false [2018-06-25 08:27:17,908 INFO ]: Compute interpolants for FPandBP [2018-06-25 08:27:17,908 INFO ]: Backedges is TWOTRACK [2018-06-25 08:27:17,908 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 08:27:17,908 INFO ]: Difference is false [2018-06-25 08:27:17,908 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 08:27:17,908 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 08:27:17,934 INFO ]: Start isEmpty. Operand 145 states. [2018-06-25 08:27:17,959 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 08:27:17,959 INFO ]: Found error trace [2018-06-25 08:27:17,963 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:27:17,963 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:27:17,969 INFO ]: Analyzing trace with hash -568616865, now seen corresponding path program 1 times [2018-06-25 08:27:17,972 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:27:17,972 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:27:18,025 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:18,025 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:18,025 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:18,124 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:27:18,339 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:27:18,341 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:27:18,341 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:27:18,342 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:27:18,354 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:27:18,355 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:27:18,357 INFO ]: Start difference. First operand 145 states. Second operand 4 states. [2018-06-25 08:27:21,731 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:27:21,731 INFO ]: Finished difference Result 283 states and 547 transitions. [2018-06-25 08:27:21,732 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:27:21,733 INFO ]: Start accepts. Automaton has 4 states. Word has length 7 [2018-06-25 08:27:21,733 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:27:21,786 INFO ]: With dead ends: 283 [2018-06-25 08:27:21,786 INFO ]: Without dead ends: 269 [2018-06-25 08:27:21,788 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 08:27:21,809 INFO ]: Start minimizeSevpa. Operand 269 states. [2018-06-25 08:27:21,933 INFO ]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-06-25 08:27:21,934 INFO ]: Start removeUnreachable. Operand 269 states. [2018-06-25 08:27:21,969 INFO ]: Finished removeUnreachable. Reduced from 269 states to 269 states and 523 transitions. [2018-06-25 08:27:21,972 INFO ]: Start accepts. Automaton has 269 states and 523 transitions. Word has length 7 [2018-06-25 08:27:21,973 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:27:21,973 INFO ]: Abstraction has 269 states and 523 transitions. [2018-06-25 08:27:21,973 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:27:21,973 INFO ]: Start isEmpty. Operand 269 states and 523 transitions. [2018-06-25 08:27:21,987 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-25 08:27:21,987 INFO ]: Found error trace [2018-06-25 08:27:21,987 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:27:21,987 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:27:21,988 INFO ]: Analyzing trace with hash 1903283163, now seen corresponding path program 1 times [2018-06-25 08:27:21,988 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:27:21,988 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:27:21,989 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:21,989 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:21,989 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:22,001 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:27:22,212 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:27:22,212 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:27:22,212 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:27:22,213 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:27:22,214 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:27:22,214 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:27:22,214 INFO ]: Start difference. First operand 269 states and 523 transitions. Second operand 4 states. [2018-06-25 08:27:24,689 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:27:24,689 INFO ]: Finished difference Result 402 states and 783 transitions. [2018-06-25 08:27:24,689 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:27:24,689 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-25 08:27:24,689 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:27:24,716 INFO ]: With dead ends: 402 [2018-06-25 08:27:24,716 INFO ]: Without dead ends: 402 [2018-06-25 08:27:24,717 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 08:27:24,717 INFO ]: Start minimizeSevpa. Operand 402 states. [2018-06-25 08:27:24,794 INFO ]: Finished minimizeSevpa. Reduced states from 402 to 402. [2018-06-25 08:27:24,794 INFO ]: Start removeUnreachable. Operand 402 states. [2018-06-25 08:27:24,821 INFO ]: Finished removeUnreachable. Reduced from 402 states to 402 states and 783 transitions. [2018-06-25 08:27:24,821 INFO ]: Start accepts. Automaton has 402 states and 783 transitions. Word has length 9 [2018-06-25 08:27:24,821 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:27:24,821 INFO ]: Abstraction has 402 states and 783 transitions. [2018-06-25 08:27:24,821 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:27:24,821 INFO ]: Start isEmpty. Operand 402 states and 783 transitions. [2018-06-25 08:27:24,844 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-25 08:27:24,844 INFO ]: Found error trace [2018-06-25 08:27:24,844 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:27:24,844 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:27:24,844 INFO ]: Analyzing trace with hash -1930174597, now seen corresponding path program 1 times [2018-06-25 08:27:24,844 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:27:24,844 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:27:24,845 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:24,845 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:24,845 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:24,901 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:27:25,106 INFO ]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:27:25,106 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:27:25,106 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-25 08:27:25,107 INFO ]: Interpolant automaton has 7 states [2018-06-25 08:27:25,108 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-25 08:27:25,108 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-25 08:27:25,108 INFO ]: Start difference. First operand 402 states and 783 transitions. Second operand 7 states. [2018-06-25 08:27:34,166 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:27:34,166 INFO ]: Finished difference Result 1649 states and 8574 transitions. [2018-06-25 08:27:34,167 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-25 08:27:34,167 INFO ]: Start accepts. Automaton has 7 states. Word has length 17 [2018-06-25 08:27:34,167 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:27:34,838 INFO ]: With dead ends: 1649 [2018-06-25 08:27:34,838 INFO ]: Without dead ends: 1649 [2018-06-25 08:27:34,839 INFO ]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2018-06-25 08:27:34,840 INFO ]: Start minimizeSevpa. Operand 1649 states. [2018-06-25 08:27:35,551 INFO ]: Finished minimizeSevpa. Reduced states from 1649 to 777. [2018-06-25 08:27:35,552 INFO ]: Start removeUnreachable. Operand 777 states. [2018-06-25 08:27:35,703 INFO ]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1689 transitions. [2018-06-25 08:27:35,703 INFO ]: Start accepts. Automaton has 777 states and 1689 transitions. Word has length 17 [2018-06-25 08:27:35,703 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:27:35,704 INFO ]: Abstraction has 777 states and 1689 transitions. [2018-06-25 08:27:35,704 INFO ]: Interpolant automaton has 7 states. [2018-06-25 08:27:35,704 INFO ]: Start isEmpty. Operand 777 states and 1689 transitions. [2018-06-25 08:27:35,755 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-25 08:27:35,755 INFO ]: Found error trace [2018-06-25 08:27:35,755 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:27:35,755 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:27:35,756 INFO ]: Analyzing trace with hash -1924693053, now seen corresponding path program 1 times [2018-06-25 08:27:35,756 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:27:35,756 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:27:35,758 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:35,758 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:35,758 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:35,797 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:27:36,214 INFO ]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:27:36,215 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 08:27:36,289 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 08:27:36,296 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:36,357 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:27:36,367 INFO ]: Computing forward predicates... [2018-06-25 08:27:36,412 INFO ]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:27:36,447 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 08:27:36,447 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-06-25 08:27:36,447 INFO ]: Interpolant automaton has 8 states [2018-06-25 08:27:36,447 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-25 08:27:36,447 INFO ]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-06-25 08:27:36,448 INFO ]: Start difference. First operand 777 states and 1689 transitions. Second operand 8 states. [2018-06-25 08:27:43,636 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:27:43,636 INFO ]: Finished difference Result 2318 states and 10046 transitions. [2018-06-25 08:27:43,637 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-25 08:27:43,637 INFO ]: Start accepts. Automaton has 8 states. Word has length 17 [2018-06-25 08:27:43,637 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:27:44,254 INFO ]: With dead ends: 2318 [2018-06-25 08:27:44,254 INFO ]: Without dead ends: 2064 [2018-06-25 08:27:44,254 INFO ]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-06-25 08:27:44,257 INFO ]: Start minimizeSevpa. Operand 2064 states. [2018-06-25 08:27:44,954 INFO ]: Finished minimizeSevpa. Reduced states from 2064 to 1134. [2018-06-25 08:27:44,954 INFO ]: Start removeUnreachable. Operand 1134 states. [2018-06-25 08:27:45,005 INFO ]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 2729 transitions. [2018-06-25 08:27:45,006 INFO ]: Start accepts. Automaton has 1134 states and 2729 transitions. Word has length 17 [2018-06-25 08:27:45,006 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:27:45,006 INFO ]: Abstraction has 1134 states and 2729 transitions. [2018-06-25 08:27:45,006 INFO ]: Interpolant automaton has 8 states. [2018-06-25 08:27:45,006 INFO ]: Start isEmpty. Operand 1134 states and 2729 transitions. [2018-06-25 08:27:45,039 INFO ]: Finished isEmpty. Found accepting run of length 19 [2018-06-25 08:27:45,039 INFO ]: Found error trace [2018-06-25 08:27:45,040 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:27:45,040 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:27:45,041 INFO ]: Analyzing trace with hash 304249693, now seen corresponding path program 1 times [2018-06-25 08:27:45,041 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:27:45,041 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:27:45,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:45,042 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:45,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:45,087 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:27:45,348 INFO ]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:27:45,348 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 08:27:45,348 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 08:27:45,355 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:45,402 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:27:45,405 INFO ]: Computing forward predicates... [2018-06-25 08:27:45,452 INFO ]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:27:45,486 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 08:27:45,486 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2018-06-25 08:27:45,487 INFO ]: Interpolant automaton has 9 states [2018-06-25 08:27:45,487 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-25 08:27:45,487 INFO ]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-06-25 08:27:45,487 INFO ]: Start difference. First operand 1134 states and 2729 transitions. Second operand 9 states. [2018-06-25 08:27:55,474 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:27:55,474 INFO ]: Finished difference Result 4026 states and 25640 transitions. [2018-06-25 08:27:55,474 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-25 08:27:55,474 INFO ]: Start accepts. Automaton has 9 states. Word has length 18 [2018-06-25 08:27:55,475 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:27:56,952 INFO ]: With dead ends: 4026 [2018-06-25 08:27:56,952 INFO ]: Without dead ends: 4026 [2018-06-25 08:27:56,953 INFO ]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2018-06-25 08:27:56,955 INFO ]: Start minimizeSevpa. Operand 4026 states. [2018-06-25 08:27:58,914 INFO ]: Finished minimizeSevpa. Reduced states from 4026 to 1673. [2018-06-25 08:27:58,914 INFO ]: Start removeUnreachable. Operand 1673 states. [2018-06-25 08:27:59,010 INFO ]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 4432 transitions. [2018-06-25 08:27:59,011 INFO ]: Start accepts. Automaton has 1673 states and 4432 transitions. Word has length 18 [2018-06-25 08:27:59,011 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:27:59,011 INFO ]: Abstraction has 1673 states and 4432 transitions. [2018-06-25 08:27:59,011 INFO ]: Interpolant automaton has 9 states. [2018-06-25 08:27:59,011 INFO ]: Start isEmpty. Operand 1673 states and 4432 transitions. [2018-06-25 08:27:59,042 INFO ]: Finished isEmpty. Found accepting run of length 19 [2018-06-25 08:27:59,042 INFO ]: Found error trace [2018-06-25 08:27:59,042 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:27:59,042 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:27:59,044 INFO ]: Analyzing trace with hash 451089532, now seen corresponding path program 1 times [2018-06-25 08:27:59,044 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:27:59,044 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:27:59,044 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:59,044 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:59,044 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:59,082 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:27:59,799 INFO ]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:27:59,800 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 08:27:59,800 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 [2018-06-25 08:27:59,806 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:59,847 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:27:59,849 INFO ]: Computing forward predicates... [2018-06-25 08:27:59,864 INFO ]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:27:59,897 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 08:27:59,897 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2018-06-25 08:27:59,897 INFO ]: Interpolant automaton has 9 states [2018-06-25 08:27:59,898 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-25 08:27:59,898 INFO ]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-06-25 08:27:59,898 INFO ]: Start difference. First operand 1673 states and 4432 transitions. Second operand 9 states. Received shutdown request... [2018-06-25 08:28:15,624 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-06-25 08:28:15,625 WARN ]: Verification canceled [2018-06-25 08:28:15,629 WARN ]: Timeout [2018-06-25 08:28:15,629 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 08:28:15 BoogieIcfgContainer [2018-06-25 08:28:15,629 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 08:28:15,630 INFO ]: Toolchain (without parser) took 59479.56 ms. Allocated memory was 309.3 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 251.7 MB in the beginning and 371.2 MB in the end (delta: -119.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-25 08:28:15,632 INFO ]: SmtParser took 0.09 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 08:28:15,632 INFO ]: ChcToBoogie took 122.79 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 247.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:28:15,633 INFO ]: Boogie Preprocessor took 80.19 ms. Allocated memory is still 309.3 MB. Free memory was 247.7 MB in the beginning and 243.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:28:15,633 INFO ]: RCFGBuilder took 1463.93 ms. Allocated memory was 309.3 MB in the beginning and 324.5 MB in the end (delta: 15.2 MB). Free memory was 243.7 MB in the beginning and 281.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 61.7 MB. Max. memory is 3.6 GB. [2018-06-25 08:28:15,637 INFO ]: TraceAbstraction took 57802.29 ms. Allocated memory was 324.5 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 281.6 MB in the beginning and 371.2 MB in the end (delta: -89.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-25 08:28:15,640 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 122.79 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 247.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 80.19 ms. Allocated memory is still 309.3 MB. Free memory was 247.7 MB in the beginning and 243.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1463.93 ms. Allocated memory was 309.3 MB in the beginning and 324.5 MB in the end (delta: 15.2 MB). Free memory was 243.7 MB in the beginning and 281.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 61.7 MB. Max. memory is 3.6 GB. * TraceAbstraction took 57802.29 ms. Allocated memory was 324.5 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 281.6 MB in the beginning and 371.2 MB in the end (delta: -89.7 MB). Peak memory consumption was 1.2 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 constructing difference of abstraction (1673states) and interpolant automaton (currently 23 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (5229 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 145 locations, 1 error locations. TIMEOUT Result, 57.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 50.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11420 SDtfs, 1326 SDslu, 33470 SDs, 0 SdLazy, 25505 SolverSat, 4659 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1673occurred in iteration=5, 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: 3.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 4155 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 5456 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1296 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 28/38 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/graham.27.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_08-28-15-656.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham.27.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_08-28-15-656.csv Completed graceful shutdown