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/eldarica-misc/LIA/Consistency/graham.27.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:36:24,102 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:36:24,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:36:24,116 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:36:24,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:36:24,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:36:24,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:36:24,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:36:24,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:36:24,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:36:24,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:36:24,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:36:24,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:36:24,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:36:24,128 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:36:24,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:36:24,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:36:24,133 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:36:24,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:36:24,135 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:36:24,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:36:24,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:36:24,139 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:36:24,139 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:36:24,140 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:36:24,140 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:36:24,141 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:36:24,142 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:36:24,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:36:24,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:36:24,143 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:36:24,144 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:36:24,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:36:24,147 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:36:24,148 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:36:24,148 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 10:36:24,166 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:36:24,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:36:24,166 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:36:24,167 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:36:24,168 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:36:24,168 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:36:24,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:36:24,168 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:36:24,169 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:36:24,169 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:36:24,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:36:24,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:36:24,169 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:36:24,169 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:36:24,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:36:24,171 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:36:24,171 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:36:24,171 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:36:24,171 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:36:24,173 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:36:24,173 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:36:24,224 INFO ]: Repository-Root is: /tmp [2018-06-22 10:36:24,239 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:36:24,244 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:36:24,245 INFO ]: Initializing SmtParser... [2018-06-22 10:36:24,245 INFO ]: SmtParser initialized [2018-06-22 10:36:24,246 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.27.smt2 [2018-06-22 10:36:24,247 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 10:36:24,335 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.27.smt2 unknown [2018-06-22 10:36:24,825 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham.27.smt2 [2018-06-22 10:36:24,830 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:36:24,835 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:36:24,836 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:36:24,836 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:36:24,836 INFO ]: ChcToBoogie initialized [2018-06-22 10:36:24,839 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:36:24" (1/1) ... [2018-06-22 10:36:24,923 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24 Unit [2018-06-22 10:36:24,924 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:36:24,924 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:36:24,924 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:36:24,924 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:36:24,941 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24" (1/1) ... [2018-06-22 10:36:24,941 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24" (1/1) ... [2018-06-22 10:36:24,952 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24" (1/1) ... [2018-06-22 10:36:24,952 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24" (1/1) ... [2018-06-22 10:36:24,964 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24" (1/1) ... [2018-06-22 10:36:24,968 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24" (1/1) ... [2018-06-22 10:36:24,972 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24" (1/1) ... [2018-06-22 10:36:24,977 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:36:24,977 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:36:24,978 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:36:24,978 INFO ]: RCFGBuilder initialized [2018-06-22 10:36:24,978 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24" (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 10:36:24,987 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:36:24,988 INFO ]: Found specification of procedure False [2018-06-22 10:36:24,988 INFO ]: Found implementation of procedure False [2018-06-22 10:36:24,988 INFO ]: Specification and implementation of procedure combined_lturn__bar given in one single declaration [2018-06-22 10:36:24,988 INFO ]: Found specification of procedure combined_lturn__bar [2018-06-22 10:36:24,988 INFO ]: Found implementation of procedure combined_lturn__bar [2018-06-22 10:36:24,988 INFO ]: Specification and implementation of procedure lturn__bar given in one single declaration [2018-06-22 10:36:24,988 INFO ]: Found specification of procedure lturn__bar [2018-06-22 10:36:24,988 INFO ]: Found implementation of procedure lturn__bar [2018-06-22 10:36:24,988 INFO ]: Specification and implementation of procedure step_lturn__bar given in one single declaration [2018-06-22 10:36:24,988 INFO ]: Found specification of procedure step_lturn__bar [2018-06-22 10:36:24,988 INFO ]: Found implementation of procedure step_lturn__bar [2018-06-22 10:36:24,988 INFO ]: Specification and implementation of procedure step_lturn given in one single declaration [2018-06-22 10:36:24,988 INFO ]: Found specification of procedure step_lturn [2018-06-22 10:36:24,988 INFO ]: Found implementation of procedure step_lturn [2018-06-22 10:36:24,988 INFO ]: Specification and implementation of procedure combined_lturn given in one single declaration [2018-06-22 10:36:24,988 INFO ]: Found specification of procedure combined_lturn [2018-06-22 10:36:24,988 INFO ]: Found implementation of procedure combined_lturn [2018-06-22 10:36:24,988 INFO ]: Specification and implementation of procedure lturn given in one single declaration [2018-06-22 10:36:24,988 INFO ]: Found specification of procedure lturn [2018-06-22 10:36:24,988 INFO ]: Found implementation of procedure lturn [2018-06-22 10:36:24,988 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:36:24,988 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:36:24,988 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 10:36:26,076 INFO ]: Using library mode [2018-06-22 10:36:26,076 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:36:26 BoogieIcfgContainer [2018-06-22 10:36:26,076 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:36:26,081 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:36:26,081 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:36:26,084 INFO ]: TraceAbstraction initialized [2018-06-22 10:36:26,084 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:36:24" (1/3) ... [2018-06-22 10:36:26,085 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d58d25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:36:26, skipping insertion in model container [2018-06-22 10:36:26,085 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:36:24" (2/3) ... [2018-06-22 10:36:26,085 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d58d25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:36:26, skipping insertion in model container [2018-06-22 10:36:26,085 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:36:26" (3/3) ... [2018-06-22 10:36:26,087 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:36:26,096 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:36:26,107 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:36:26,150 INFO ]: Using default assertion order modulation [2018-06-22 10:36:26,150 INFO ]: Interprodecural is true [2018-06-22 10:36:26,150 INFO ]: Hoare is false [2018-06-22 10:36:26,150 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:36:26,150 INFO ]: Backedges is TWOTRACK [2018-06-22 10:36:26,150 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:36:26,150 INFO ]: Difference is false [2018-06-22 10:36:26,150 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:36:26,150 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:36:26,169 INFO ]: Start isEmpty. Operand 162 states. [2018-06-22 10:36:26,209 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:36:26,209 INFO ]: Found error trace [2018-06-22 10:36:26,210 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:26,211 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:26,216 INFO ]: Analyzing trace with hash 1103554974, now seen corresponding path program 1 times [2018-06-22 10:36:26,218 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:26,218 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:26,252 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:26,252 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:26,252 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:26,375 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:26,515 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:36:26,517 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:36:26,517 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 10:36:26,519 INFO ]: Interpolant automaton has 2 states [2018-06-22 10:36:26,534 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 10:36:26,534 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 10:36:26,536 INFO ]: Start difference. First operand 162 states. Second operand 2 states. [2018-06-22 10:36:26,591 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:26,591 INFO ]: Finished difference Result 154 states and 313 transitions. [2018-06-22 10:36:26,591 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 10:36:26,595 INFO ]: Start accepts. Automaton has 2 states. Word has length 17 [2018-06-22 10:36:26,596 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:26,614 INFO ]: With dead ends: 154 [2018-06-22 10:36:26,614 INFO ]: Without dead ends: 143 [2018-06-22 10:36:26,616 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 10:36:26,633 INFO ]: Start minimizeSevpa. Operand 143 states. [2018-06-22 10:36:26,716 INFO ]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-06-22 10:36:26,717 INFO ]: Start removeUnreachable. Operand 143 states. [2018-06-22 10:36:26,723 INFO ]: Finished removeUnreachable. Reduced from 143 states to 143 states and 297 transitions. [2018-06-22 10:36:26,728 INFO ]: Start accepts. Automaton has 143 states and 297 transitions. Word has length 17 [2018-06-22 10:36:26,729 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:36:26,729 INFO ]: Abstraction has 143 states and 297 transitions. [2018-06-22 10:36:26,729 INFO ]: Interpolant automaton has 2 states. [2018-06-22 10:36:26,729 INFO ]: Start isEmpty. Operand 143 states and 297 transitions. [2018-06-22 10:36:26,737 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:36:26,737 INFO ]: Found error trace [2018-06-22 10:36:26,737 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:26,737 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:26,738 INFO ]: Analyzing trace with hash 2018335673, now seen corresponding path program 1 times [2018-06-22 10:36:26,738 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:26,738 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:26,739 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:26,739 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:26,739 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:26,842 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:27,161 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:36:27,161 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:36:27,161 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-22 10:36:27,166 INFO ]: Interpolant automaton has 5 states [2018-06-22 10:36:27,166 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 10:36:27,166 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 10:36:27,166 INFO ]: Start difference. First operand 143 states and 297 transitions. Second operand 5 states. [2018-06-22 10:36:30,029 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:30,029 INFO ]: Finished difference Result 226 states and 635 transitions. [2018-06-22 10:36:30,029 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 10:36:30,029 INFO ]: Start accepts. Automaton has 5 states. Word has length 17 [2018-06-22 10:36:30,029 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:30,042 INFO ]: With dead ends: 226 [2018-06-22 10:36:30,042 INFO ]: Without dead ends: 226 [2018-06-22 10:36:30,043 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 10:36:30,043 INFO ]: Start minimizeSevpa. Operand 226 states. [2018-06-22 10:36:30,153 INFO ]: Finished minimizeSevpa. Reduced states from 226 to 214. [2018-06-22 10:36:30,153 INFO ]: Start removeUnreachable. Operand 214 states. [2018-06-22 10:36:30,161 INFO ]: Finished removeUnreachable. Reduced from 214 states to 214 states and 603 transitions. [2018-06-22 10:36:30,161 INFO ]: Start accepts. Automaton has 214 states and 603 transitions. Word has length 17 [2018-06-22 10:36:30,161 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:36:30,161 INFO ]: Abstraction has 214 states and 603 transitions. [2018-06-22 10:36:30,161 INFO ]: Interpolant automaton has 5 states. [2018-06-22 10:36:30,161 INFO ]: Start isEmpty. Operand 214 states and 603 transitions. [2018-06-22 10:36:30,170 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:36:30,170 INFO ]: Found error trace [2018-06-22 10:36:30,170 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:30,170 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:30,170 INFO ]: Analyzing trace with hash 529734774, now seen corresponding path program 1 times [2018-06-22 10:36:30,170 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:30,171 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:30,171 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:30,171 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:30,172 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:30,201 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:30,622 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:36:30,622 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:36:30,622 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:36:30,623 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:36:30,623 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:36:30,623 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:36:30,623 INFO ]: Start difference. First operand 214 states and 603 transitions. Second operand 6 states. [2018-06-22 10:36:32,321 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:32,321 INFO ]: Finished difference Result 335 states and 1180 transitions. [2018-06-22 10:36:32,321 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:36:32,321 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:36:32,322 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:32,335 INFO ]: With dead ends: 335 [2018-06-22 10:36:32,335 INFO ]: Without dead ends: 335 [2018-06-22 10:36:32,335 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:36:32,336 INFO ]: Start minimizeSevpa. Operand 335 states. [2018-06-22 10:36:32,479 INFO ]: Finished minimizeSevpa. Reduced states from 335 to 252. [2018-06-22 10:36:32,479 INFO ]: Start removeUnreachable. Operand 252 states. [2018-06-22 10:36:32,485 INFO ]: Finished removeUnreachable. Reduced from 252 states to 252 states and 707 transitions. [2018-06-22 10:36:32,485 INFO ]: Start accepts. Automaton has 252 states and 707 transitions. Word has length 17 [2018-06-22 10:36:32,485 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:36:32,485 INFO ]: Abstraction has 252 states and 707 transitions. [2018-06-22 10:36:32,485 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:36:32,485 INFO ]: Start isEmpty. Operand 252 states and 707 transitions. [2018-06-22 10:36:32,491 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:36:32,491 INFO ]: Found error trace [2018-06-22 10:36:32,492 INFO ]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:32,492 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:32,492 INFO ]: Analyzing trace with hash 329003581, now seen corresponding path program 1 times [2018-06-22 10:36:32,492 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:32,492 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:32,493 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:32,493 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:32,493 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:32,515 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:32,752 INFO ]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-06-22 10:36:32,752 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:36:32,752 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 10:36:32,759 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:32,817 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:32,826 INFO ]: Computing forward predicates... [2018-06-22 10:36:32,921 INFO ]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:36:32,941 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:36:32,941 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2018-06-22 10:36:32,941 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:36:32,941 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:36:32,942 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:36:32,942 INFO ]: Start difference. First operand 252 states and 707 transitions. Second operand 11 states. [2018-06-22 10:36:39,671 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:39,672 INFO ]: Finished difference Result 554 states and 3891 transitions. [2018-06-22 10:36:39,672 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 10:36:39,672 INFO ]: Start accepts. Automaton has 11 states. Word has length 21 [2018-06-22 10:36:39,672 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:39,719 INFO ]: With dead ends: 554 [2018-06-22 10:36:39,720 INFO ]: Without dead ends: 554 [2018-06-22 10:36:39,720 INFO ]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:36:39,721 INFO ]: Start minimizeSevpa. Operand 554 states. [2018-06-22 10:36:40,173 INFO ]: Finished minimizeSevpa. Reduced states from 554 to 542. [2018-06-22 10:36:40,174 INFO ]: Start removeUnreachable. Operand 542 states. [2018-06-22 10:36:40,197 INFO ]: Finished removeUnreachable. Reduced from 542 states to 542 states and 3841 transitions. [2018-06-22 10:36:40,197 INFO ]: Start accepts. Automaton has 542 states and 3841 transitions. Word has length 21 [2018-06-22 10:36:40,198 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:36:40,198 INFO ]: Abstraction has 542 states and 3841 transitions. [2018-06-22 10:36:40,198 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:36:40,198 INFO ]: Start isEmpty. Operand 542 states and 3841 transitions. [2018-06-22 10:36:40,208 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:36:40,208 INFO ]: Found error trace [2018-06-22 10:36:40,208 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:40,208 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:40,209 INFO ]: Analyzing trace with hash 1035251164, now seen corresponding path program 1 times [2018-06-22 10:36:40,209 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:40,209 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:40,210 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:40,210 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:40,210 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:40,238 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:40,569 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:36:40,569 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:36:40,569 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:36:40,570 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:36:40,570 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:36:40,570 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:36:40,570 INFO ]: Start difference. First operand 542 states and 3841 transitions. Second operand 6 states. [2018-06-22 10:36:41,668 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:41,669 INFO ]: Finished difference Result 568 states and 4668 transitions. [2018-06-22 10:36:41,669 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:36:41,669 INFO ]: Start accepts. Automaton has 6 states. Word has length 21 [2018-06-22 10:36:41,669 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:41,718 INFO ]: With dead ends: 568 [2018-06-22 10:36:41,718 INFO ]: Without dead ends: 568 [2018-06-22 10:36:41,718 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:36:41,719 INFO ]: Start minimizeSevpa. Operand 568 states. [2018-06-22 10:36:42,252 INFO ]: Finished minimizeSevpa. Reduced states from 568 to 563. [2018-06-22 10:36:42,252 INFO ]: Start removeUnreachable. Operand 563 states. [2018-06-22 10:36:42,278 INFO ]: Finished removeUnreachable. Reduced from 563 states to 563 states and 4645 transitions. [2018-06-22 10:36:42,278 INFO ]: Start accepts. Automaton has 563 states and 4645 transitions. Word has length 21 [2018-06-22 10:36:42,322 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:36:42,323 INFO ]: Abstraction has 563 states and 4645 transitions. [2018-06-22 10:36:42,323 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:36:42,323 INFO ]: Start isEmpty. Operand 563 states and 4645 transitions. [2018-06-22 10:36:42,334 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:36:42,334 INFO ]: Found error trace [2018-06-22 10:36:42,334 INFO ]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:36:42,334 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:36:42,335 INFO ]: Analyzing trace with hash -1590390689, now seen corresponding path program 1 times [2018-06-22 10:36:42,335 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:36:42,335 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:36:42,335 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:42,335 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:36:42,335 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:36:42,365 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:42,505 INFO ]: Checked inductivity of 19 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-06-22 10:36:42,505 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:36:42,505 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-06-22 10:36:42,523 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:36:42,570 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:36:42,573 INFO ]: Computing forward predicates... [2018-06-22 10:36:42,645 INFO ]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:36:42,669 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:36:42,670 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2018-06-22 10:36:42,670 INFO ]: Interpolant automaton has 13 states [2018-06-22 10:36:42,670 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 10:36:42,670 INFO ]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-06-22 10:36:42,670 INFO ]: Start difference. First operand 563 states and 4645 transitions. Second operand 13 states. [2018-06-22 10:37:07,002 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:37:07,002 INFO ]: Finished difference Result 6351 states and 183805 transitions. [2018-06-22 10:37:07,002 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-06-22 10:37:07,002 INFO ]: Start accepts. Automaton has 13 states. Word has length 25 [2018-06-22 10:37:07,003 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:37:08,689 INFO ]: With dead ends: 6351 [2018-06-22 10:37:08,689 INFO ]: Without dead ends: 6351 [2018-06-22 10:37:08,690 INFO ]: 0 DeclaredPredicates, 81 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=430, Invalid=2992, Unknown=0, NotChecked=0, Total=3422 [2018-06-22 10:37:08,694 INFO ]: Start minimizeSevpa. Operand 6351 states. Received shutdown request... [2018-06-22 10:37:28,032 WARN ]: Verification canceled [2018-06-22 10:37:28,036 WARN ]: Timeout [2018-06-22 10:37:28,036 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:37:28 BoogieIcfgContainer [2018-06-22 10:37:28,036 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:37:28,037 INFO ]: Toolchain (without parser) took 63206.99 ms. Allocated memory was 307.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 250.9 MB in the beginning and 812.5 MB in the end (delta: -561.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 10:37:28,038 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.8 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:37:28,043 INFO ]: ChcToBoogie took 87.96 ms. Allocated memory is still 307.8 MB. Free memory was 250.9 MB in the beginning and 246.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:37:28,044 INFO ]: Boogie Preprocessor took 52.73 ms. Allocated memory is still 307.8 MB. Free memory was 246.9 MB in the beginning and 244.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:37:28,044 INFO ]: RCFGBuilder took 1098.71 ms. Allocated memory is still 307.8 MB. Free memory was 244.9 MB in the beginning and 199.4 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 3.6 GB. [2018-06-22 10:37:28,045 INFO ]: TraceAbstraction took 61955.77 ms. Allocated memory was 307.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 199.4 MB in the beginning and 812.5 MB in the end (delta: -613.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 10:37:28,047 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 307.8 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 87.96 ms. Allocated memory is still 307.8 MB. Free memory was 250.9 MB in the beginning and 246.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 52.73 ms. Allocated memory is still 307.8 MB. Free memory was 246.9 MB in the beginning and 244.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1098.71 ms. Allocated memory is still 307.8 MB. Free memory was 244.9 MB in the beginning and 199.4 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 61955.77 ms. Allocated memory was 307.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 199.4 MB in the beginning and 812.5 MB in the end (delta: -613.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 162 locations, 1 error locations. TIMEOUT Result, 61.8s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 38.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2441 SDtfs, 103 SDslu, 11676 SDs, 0 SdLazy, 36283 SolverSat, 3833 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=563occurred 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: 20.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 112 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 8288 SizeOfPredicates, 5 NumberOfNonLiveVariables, 819 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 30/62 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_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-37-28-067.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham.27.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-37-28-067.csv Completed graceful shutdown