java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_agreement.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 02:53:19,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 02:53:19,482 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 02:53:19,495 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 02:53:19,495 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 02:53:19,496 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 02:53:19,497 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 02:53:19,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 02:53:19,501 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 02:53:19,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 02:53:19,502 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 02:53:19,502 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 02:53:19,503 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 02:53:19,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 02:53:19,507 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 02:53:19,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 02:53:19,510 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 02:53:19,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 02:53:19,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 02:53:19,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 02:53:19,515 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 02:53:19,518 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 02:53:19,518 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 02:53:19,518 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 02:53:19,519 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 02:53:19,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 02:53:19,521 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 02:53:19,522 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 02:53:19,523 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 02:53:19,523 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 02:53:19,524 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 02:53:19,525 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 02:53:19,525 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 02:53:19,526 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 02:53:19,526 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 02:53:19,527 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 02:53:19,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 02:53:19,541 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 02:53:19,541 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 02:53:19,541 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 02:53:19,542 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 02:53:19,542 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 02:53:19,543 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 02:53:19,543 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 02:53:19,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 02:53:19,543 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 02:53:19,543 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 02:53:19,544 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 02:53:19,544 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 02:53:19,544 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 02:53:19,544 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 02:53:19,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 02:53:19,544 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 02:53:19,546 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 02:53:19,546 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 02:53:19,583 INFO ]: Repository-Root is: /tmp [2018-06-22 02:53:19,596 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 02:53:19,601 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 02:53:19,602 INFO ]: Initializing SmtParser... [2018-06-22 02:53:19,603 INFO ]: SmtParser initialized [2018-06-22 02:53:19,603 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_agreement.smt2 [2018-06-22 02:53:19,605 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 02:53:19,707 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_agreement.smt2 unknown [2018-06-22 02:53:20,105 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_agreement.smt2 [2018-06-22 02:53:20,114 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 02:53:20,123 INFO ]: Walking toolchain with 4 elements. [2018-06-22 02:53:20,124 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 02:53:20,124 INFO ]: Initializing ChcToBoogie... [2018-06-22 02:53:20,124 INFO ]: ChcToBoogie initialized [2018-06-22 02:53:20,132 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:53:20" (1/1) ... [2018-06-22 02:53:20,211 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20 Unit [2018-06-22 02:53:20,211 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 02:53:20,212 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 02:53:20,212 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 02:53:20,212 INFO ]: Boogie Preprocessor initialized [2018-06-22 02:53:20,229 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20" (1/1) ... [2018-06-22 02:53:20,229 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20" (1/1) ... [2018-06-22 02:53:20,237 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20" (1/1) ... [2018-06-22 02:53:20,237 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20" (1/1) ... [2018-06-22 02:53:20,248 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20" (1/1) ... [2018-06-22 02:53:20,250 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20" (1/1) ... [2018-06-22 02:53:20,252 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20" (1/1) ... [2018-06-22 02:53:20,255 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 02:53:20,256 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 02:53:20,256 INFO ]: Initializing RCFGBuilder... [2018-06-22 02:53:20,256 INFO ]: RCFGBuilder initialized [2018-06-22 02:53:20,257 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20" (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 02:53:20,268 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 02:53:20,269 INFO ]: Found specification of procedure gotoProc [2018-06-22 02:53:20,269 INFO ]: Found implementation of procedure gotoProc [2018-06-22 02:53:20,269 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 02:53:20,269 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 02:53:20,269 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 02:53:20,671 INFO ]: Using library mode [2018-06-22 02:53:20,672 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:53:20 BoogieIcfgContainer [2018-06-22 02:53:20,672 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 02:53:20,674 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 02:53:20,674 INFO ]: Initializing TraceAbstraction... [2018-06-22 02:53:20,681 INFO ]: TraceAbstraction initialized [2018-06-22 02:53:20,681 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:53:20" (1/3) ... [2018-06-22 02:53:20,682 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b09ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 02:53:20, skipping insertion in model container [2018-06-22 02:53:20,682 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:53:20" (2/3) ... [2018-06-22 02:53:20,682 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b09ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:53:20, skipping insertion in model container [2018-06-22 02:53:20,682 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:53:20" (3/3) ... [2018-06-22 02:53:20,685 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 02:53:20,695 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 02:53:20,704 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 02:53:20,749 INFO ]: Using default assertion order modulation [2018-06-22 02:53:20,750 INFO ]: Interprodecural is true [2018-06-22 02:53:20,750 INFO ]: Hoare is false [2018-06-22 02:53:20,750 INFO ]: Compute interpolants for FPandBP [2018-06-22 02:53:20,750 INFO ]: Backedges is TWOTRACK [2018-06-22 02:53:20,750 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 02:53:20,750 INFO ]: Difference is false [2018-06-22 02:53:20,750 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 02:53:20,750 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 02:53:20,765 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 02:53:20,782 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 02:53:20,782 INFO ]: Found error trace [2018-06-22 02:53:20,783 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 02:53:20,783 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:53:20,789 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 02:53:20,792 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:53:20,792 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:53:20,826 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:53:20,826 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:53:20,826 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:53:20,918 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:53:21,063 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:53:21,064 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 02:53:21,064 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 02:53:21,066 INFO ]: Interpolant automaton has 3 states [2018-06-22 02:53:21,076 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 02:53:21,076 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 02:53:21,078 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 02:53:21,145 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 02:53:21,145 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 02:53:21,146 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 02:53:21,148 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 02:53:21,148 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 02:53:21,158 INFO ]: With dead ends: 9 [2018-06-22 02:53:21,158 INFO ]: Without dead ends: 9 [2018-06-22 02:53:21,159 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 02:53:21,172 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 02:53:21,188 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 02:53:21,189 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 02:53:21,189 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 02:53:21,191 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 02:53:21,191 INFO ]: Finished accepts. word is rejected. [2018-06-22 02:53:21,191 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 02:53:21,191 INFO ]: Interpolant automaton has 3 states. [2018-06-22 02:53:21,191 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 02:53:21,191 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 02:53:21,191 INFO ]: Found error trace [2018-06-22 02:53:21,191 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 02:53:21,191 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:53:21,192 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 02:53:21,192 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:53:21,192 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:53:21,193 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:53:21,193 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:53:21,193 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:53:21,304 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:53:21,514 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:53:21,514 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 02:53:21,514 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) [2018-06-22 02:53:21,533 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 02:53:21,718 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:53:21,734 INFO ]: Computing forward predicates... [2018-06-22 02:53:22,617 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:53:22,653 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 02:53:22,653 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 02:53:22,653 INFO ]: Interpolant automaton has 6 states [2018-06-22 02:53:22,653 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 02:53:22,653 INFO ]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 02:53:22,654 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 02:53:22,804 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 02:53:22,805 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 02:53:22,805 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 02:53:22,805 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 02:53:22,806 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 02:53:22,806 INFO ]: With dead ends: 11 [2018-06-22 02:53:22,806 INFO ]: Without dead ends: 11 [2018-06-22 02:53:22,807 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 02:53:22,807 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 02:53:22,808 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 02:53:22,808 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 02:53:22,808 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 02:53:22,808 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 02:53:22,809 INFO ]: Finished accepts. word is rejected. [2018-06-22 02:53:22,809 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 02:53:22,809 INFO ]: Interpolant automaton has 6 states. [2018-06-22 02:53:22,809 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 02:53:22,809 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 02:53:22,809 INFO ]: Found error trace [2018-06-22 02:53:22,809 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 02:53:22,809 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:53:22,809 INFO ]: Analyzing trace with hash 145098516, now seen corresponding path program 2 times [2018-06-22 02:53:22,809 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:53:22,809 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:53:22,811 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:53:22,811 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:53:22,811 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:53:22,919 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:53:23,546 WARN ]: Spent 345.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2018-06-22 02:53:24,541 WARN ]: Spent 939.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2018-06-22 02:53:24,795 WARN ]: Spent 198.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2018-06-22 02:53:24,880 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:53:24,880 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 02:53:24,880 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 02:53:24,886 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 02:53:25,021 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 02:53:25,021 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:53:25,032 INFO ]: Computing forward predicates... [2018-06-22 02:53:38,241 WARN ]: Simplifying disjunction of 825300 conjuctions. This might take some time... Received shutdown request... [2018-06-22 02:54:30,309 INFO ]: Timeout while computing interpolants [2018-06-22 02:54:30,510 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 02:54:30,510 WARN ]: Verification canceled [2018-06-22 02:54:30,517 WARN ]: Timeout [2018-06-22 02:54:30,517 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:54:30 BoogieIcfgContainer [2018-06-22 02:54:30,517 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 02:54:30,518 INFO ]: Toolchain (without parser) took 70403.11 ms. Allocated memory was 307.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 253.6 MB in the beginning and 959.5 MB in the end (delta: -705.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 02:54:30,519 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 02:54:30,519 INFO ]: ChcToBoogie took 87.82 ms. Allocated memory is still 307.2 MB. Free memory was 251.6 MB in the beginning and 249.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:54:30,538 INFO ]: Boogie Preprocessor took 43.16 ms. Allocated memory is still 307.2 MB. Free memory was 249.6 MB in the beginning and 247.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:54:30,539 INFO ]: RCFGBuilder took 416.15 ms. Allocated memory is still 307.2 MB. Free memory was 247.7 MB in the beginning and 225.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:54:30,539 INFO ]: TraceAbstraction took 69843.43 ms. Allocated memory was 307.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 225.7 MB in the beginning and 959.5 MB in the end (delta: -733.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 02:54:30,548 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 87.82 ms. Allocated memory is still 307.2 MB. Free memory was 251.6 MB in the beginning and 249.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 43.16 ms. Allocated memory is still 307.2 MB. Free memory was 249.6 MB in the beginning and 247.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 416.15 ms. Allocated memory is still 307.2 MB. Free memory was 247.7 MB in the beginning and 225.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69843.43 ms. Allocated memory was 307.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 225.7 MB in the beginning and 959.5 MB in the end (delta: -733.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 11 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 825300 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 69.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 19 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 1 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_02-54-30-579.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_02-54-30-579.csv Completed graceful shutdown