java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 19:33:45,539 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 19:33:45,541 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 19:33:45,553 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 19:33:45,553 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 19:33:45,554 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 19:33:45,555 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 19:33:45,557 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 19:33:45,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 19:33:45,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 19:33:45,561 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 19:33:45,561 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 19:33:45,562 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 19:33:45,563 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 19:33:45,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 19:33:45,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 19:33:45,566 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 19:33:45,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 19:33:45,569 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 19:33:45,571 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 19:33:45,572 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 19:33:45,573 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 19:33:45,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 19:33:45,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 19:33:45,576 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 19:33:45,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 19:33:45,578 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 19:33:45,579 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 19:33:45,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 19:33:45,580 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 19:33:45,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 19:33:45,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 19:33:45,581 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 19:33:45,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 19:33:45,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 19:33:45,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 19:33:45,584 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 19:33:45,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 19:33:45,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 19:33:45,598 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 19:33:45,599 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 19:33:45,600 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 19:33:45,600 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 19:33:45,600 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 19:33:45,600 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 19:33:45,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 19:33:45,601 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 19:33:45,601 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 19:33:45,602 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 19:33:45,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 19:33:45,602 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 19:33:45,602 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 19:33:45,602 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 19:33:45,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 19:33:45,603 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 19:33:45,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 19:33:45,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 19:33:45,604 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 19:33:45,605 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 19:33:45,605 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 19:33:45,651 INFO ]: Repository-Root is: /tmp [2018-06-26 19:33:45,666 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 19:33:45,669 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 19:33:45,671 INFO ]: Initializing SmtParser... [2018-06-26 19:33:45,671 INFO ]: SmtParser initialized [2018-06-26 19:33:45,672 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 [2018-06-26 19:33:45,673 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 [2018-06-26 19:33:45,740 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 unknown [2018-06-26 19:33:46,044 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 [2018-06-26 19:33:46,049 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 19:33:46,060 INFO ]: Walking toolchain with 5 elements. [2018-06-26 19:33:46,061 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 19:33:46,061 INFO ]: Initializing ChcToBoogie... [2018-06-26 19:33:46,061 INFO ]: ChcToBoogie initialized [2018-06-26 19:33:46,064 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 07:33:46" (1/1) ... [2018-06-26 19:33:46,132 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46 Unit [2018-06-26 19:33:46,132 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 19:33:46,133 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 19:33:46,133 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 19:33:46,133 INFO ]: Boogie Preprocessor initialized [2018-06-26 19:33:46,155 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46" (1/1) ... [2018-06-26 19:33:46,155 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46" (1/1) ... [2018-06-26 19:33:46,163 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46" (1/1) ... [2018-06-26 19:33:46,164 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46" (1/1) ... [2018-06-26 19:33:46,180 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46" (1/1) ... [2018-06-26 19:33:46,182 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46" (1/1) ... [2018-06-26 19:33:46,183 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46" (1/1) ... [2018-06-26 19:33:46,186 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 19:33:46,186 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 19:33:46,186 INFO ]: Initializing RCFGBuilder... [2018-06-26 19:33:46,186 INFO ]: RCFGBuilder initialized [2018-06-26 19:33:46,187 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46" (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) [2018-06-26 19:33:46,214 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 19:33:46,214 INFO ]: Found specification of procedure gotoProc [2018-06-26 19:33:46,214 INFO ]: Found implementation of procedure gotoProc [2018-06-26 19:33:46,214 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 19:33:46,214 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 19:33:46,214 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 [2018-06-26 19:33:46,519 INFO ]: Using library mode [2018-06-26 19:33:46,519 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:33:46 BoogieIcfgContainer [2018-06-26 19:33:46,519 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 19:33:46,520 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 19:33:46,520 INFO ]: Initializing BlockEncodingV2... [2018-06-26 19:33:46,524 INFO ]: BlockEncodingV2 initialized [2018-06-26 19:33:46,524 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:33:46" (1/1) ... [2018-06-26 19:33:46,541 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-26 19:33:46,543 INFO ]: Using Remove infeasible edges [2018-06-26 19:33:46,543 INFO ]: Using Maximize final states [2018-06-26 19:33:46,544 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 19:33:46,544 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 19:33:46,545 INFO ]: Using Remove sink states [2018-06-26 19:33:46,549 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 19:33:46,549 INFO ]: Using Use SBE [2018-06-26 19:33:46,555 WARN ]: expecting exponential blowup for input size 7 [2018-06-26 19:33:46,624 WARN ]: expecting exponential blowup for input size 9 [2018-06-26 19:33:46,655 WARN ]: expecting exponential blowup for input size 15 [2018-06-26 19:33:46,848 WARN ]: expecting exponential blowup for input size 6 [2018-06-26 19:33:46,852 WARN ]: expecting exponential blowup for input size 12 [2018-06-26 19:33:47,389 WARN ]: expecting exponential blowup for input size 7 [2018-06-26 19:34:04,151 INFO ]: SBE split 3 edges [2018-06-26 19:34:06,446 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-26 19:34:06,453 INFO ]: 0 new accepting states [2018-06-26 19:34:07,555 INFO ]: Removed 59 edges and 2 locations by large block encoding [2018-06-26 19:34:07,558 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 19:34:13,743 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 19:34:13,746 INFO ]: 0 new accepting states [2018-06-26 19:34:13,750 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 19:34:13,751 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 19:34:17,482 INFO ]: Encoded RCFG 6 locations, 7172 edges [2018-06-26 19:34:17,483 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 07:34:17 BasicIcfg [2018-06-26 19:34:17,484 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 19:34:17,485 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 19:34:17,485 INFO ]: Initializing TraceAbstraction... [2018-06-26 19:34:17,491 INFO ]: TraceAbstraction initialized [2018-06-26 19:34:17,491 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 07:33:46" (1/4) ... [2018-06-26 19:34:17,492 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d80f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 07:34:17, skipping insertion in model container [2018-06-26 19:34:17,492 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:33:46" (2/4) ... [2018-06-26 19:34:17,493 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d80f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 07:34:17, skipping insertion in model container [2018-06-26 19:34:17,493 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:33:46" (3/4) ... [2018-06-26 19:34:17,493 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d80f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 07:34:17, skipping insertion in model container [2018-06-26 19:34:17,493 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 07:34:17" (4/4) ... [2018-06-26 19:34:17,494 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 19:34:17,504 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 19:34:17,533 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 19:34:17,590 INFO ]: Using default assertion order modulation [2018-06-26 19:34:17,591 INFO ]: Interprodecural is true [2018-06-26 19:34:17,591 INFO ]: Hoare is false [2018-06-26 19:34:17,591 INFO ]: Compute interpolants for FPandBP [2018-06-26 19:34:17,591 INFO ]: Backedges is TWOTRACK [2018-06-26 19:34:17,591 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 19:34:17,591 INFO ]: Difference is false [2018-06-26 19:34:17,591 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 19:34:17,591 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 19:34:17,620 INFO ]: Start isEmpty. Operand 6 states. [2018-06-26 19:34:17,649 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 19:34:17,649 INFO ]: Found error trace [2018-06-26 19:34:17,650 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 19:34:17,650 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 19:34:17,655 INFO ]: Analyzing trace with hash 255908817, now seen corresponding path program 1 times [2018-06-26 19:34:17,657 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 19:34:17,658 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 19:34:17,704 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:34:17,704 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 19:34:17,704 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:34:17,772 INFO ]: Conjunction of SSA is unsat [2018-06-26 19:34:17,848 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 19:34:17,850 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 19:34:17,850 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 19:34:17,852 INFO ]: Interpolant automaton has 3 states [2018-06-26 19:34:17,862 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 19:34:17,862 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 19:34:17,864 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-26 19:34:43,105 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 19:34:43,106 INFO ]: Finished difference Result 7 states and 6228 transitions. [2018-06-26 19:34:43,107 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 19:34:43,108 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 19:34:43,108 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 19:34:43,135 INFO ]: With dead ends: 7 [2018-06-26 19:34:43,135 INFO ]: Without dead ends: 7 [2018-06-26 19:34:43,137 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 [2018-06-26 19:34:43,151 INFO ]: Start minimizeSevpa. Operand 7 states. [2018-06-26 19:34:43,236 INFO ]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-06-26 19:34:43,238 INFO ]: Start removeUnreachable. Operand 7 states. [2018-06-26 19:34:43,248 INFO ]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6228 transitions. [2018-06-26 19:34:43,249 INFO ]: Start accepts. Automaton has 7 states and 6228 transitions. Word has length 5 [2018-06-26 19:34:43,250 INFO ]: Finished accepts. word is rejected. [2018-06-26 19:34:43,250 INFO ]: Abstraction has 7 states and 6228 transitions. [2018-06-26 19:34:43,250 INFO ]: Interpolant automaton has 3 states. [2018-06-26 19:34:43,250 INFO ]: Start isEmpty. Operand 7 states and 6228 transitions. [2018-06-26 19:34:43,254 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-26 19:34:43,254 INFO ]: Found error trace [2018-06-26 19:34:43,254 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-26 19:34:43,254 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 19:34:43,254 INFO ]: Analyzing trace with hash -788859205, now seen corresponding path program 1 times [2018-06-26 19:34:43,254 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 19:34:43,254 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 19:34:43,256 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:34:43,256 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 19:34:43,256 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:34:43,334 INFO ]: Conjunction of SSA is unsat [2018-06-26 19:34:43,374 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 19:34:43,375 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 19:34:43,375 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 19:34:43,376 INFO ]: Interpolant automaton has 3 states [2018-06-26 19:34:43,376 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 19:34:43,376 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 19:34:43,376 INFO ]: Start difference. First operand 7 states and 6228 transitions. Second operand 3 states. Received shutdown request... [2018-06-26 19:34:53,006 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 19:34:53,007 WARN ]: Verification canceled [2018-06-26 19:34:53,010 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 19:34:53,011 WARN ]: Timeout [2018-06-26 19:34:53,011 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 07:34:53 BasicIcfg [2018-06-26 19:34:53,011 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 19:34:53,012 INFO ]: Toolchain (without parser) took 66962.42 ms. Allocated memory was 307.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 258.1 MB in the beginning and 981.8 MB in the end (delta: -723.7 MB). Peak memory consumption was 404.6 MB. Max. memory is 3.6 GB. [2018-06-26 19:34:53,013 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.8 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 19:34:53,013 INFO ]: ChcToBoogie took 71.88 ms. Allocated memory is still 307.8 MB. Free memory was 258.1 MB in the beginning and 256.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-26 19:34:53,014 INFO ]: Boogie Preprocessor took 52.92 ms. Allocated memory is still 307.8 MB. Free memory was 256.0 MB in the beginning and 254.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:34:53,014 INFO ]: RCFGBuilder took 333.00 ms. Allocated memory is still 307.8 MB. Free memory was 254.0 MB in the beginning and 238.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:34:53,015 INFO ]: BlockEncodingV2 took 30964.07 ms. Allocated memory was 307.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 238.0 MB in the beginning and 771.5 MB in the end (delta: -533.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 3.6 GB. [2018-06-26 19:34:53,018 INFO ]: TraceAbstraction took 35526.14 ms. Allocated memory was 1.7 GB in the beginning and 1.4 GB in the end (delta: -289.9 MB). Free memory was 771.5 MB in the beginning and 981.8 MB in the end (delta: -210.3 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 19:34:53,028 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 10 edges - StatisticsResult: Encoded RCFG 6 locations, 7172 edges * 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 273.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 71.88 ms. Allocated memory is still 307.8 MB. Free memory was 258.1 MB in the beginning and 256.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 52.92 ms. Allocated memory is still 307.8 MB. Free memory was 256.0 MB in the beginning and 254.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 333.00 ms. Allocated memory is still 307.8 MB. Free memory was 254.0 MB in the beginning and 238.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 30964.07 ms. Allocated memory was 307.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 238.0 MB in the beginning and 771.5 MB in the end (delta: -533.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 3.6 GB. * TraceAbstraction took 35526.14 ms. Allocated memory was 1.7 GB in the beginning and 1.4 GB in the end (delta: -289.9 MB). Free memory was 771.5 MB in the beginning and 981.8 MB in the end (delta: -210.3 MB). There was no memory consumed. 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 Cancelled while BasicCegarLoop was constructing difference of abstraction (7states) and interpolant automaton (currently 3 states, 3 states before enhancement), while ReachableStatesComputation was computing reachable states (6 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 1 error locations. TIMEOUT Result, 35.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 34.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 109 SDtfs, 9 SDslu, 4 SDs, 0 SdLazy, 14134 SolverSat, 14269 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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/om1_with_relays_general_3_3_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_19-34-53-041.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_3_3_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_19-34-53-041.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_3_3_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_19-34-53-041.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_3_3_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_19-34-53-041.csv Completed graceful shutdown