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/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_4_agreement.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 13:37:40,451 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 13:37:40,453 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 13:37:40,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 13:37:40,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 13:37:40,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 13:37:40,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 13:37:40,468 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 13:37:40,470 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 13:37:40,471 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 13:37:40,472 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 13:37:40,472 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 13:37:40,473 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 13:37:40,474 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 13:37:40,475 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 13:37:40,475 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 13:37:40,477 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 13:37:40,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 13:37:40,481 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 13:37:40,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 13:37:40,484 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 13:37:40,486 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 13:37:40,486 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 13:37:40,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 13:37:40,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 13:37:40,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 13:37:40,489 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 13:37:40,490 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 13:37:40,491 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 13:37:40,491 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 13:37:40,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 13:37:40,493 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 13:37:40,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 13:37:40,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 13:37:40,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 13:37:40,495 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 13:37:40,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 13:37:40,509 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 13:37:40,510 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 13:37:40,510 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 13:37:40,511 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 13:37:40,511 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 13:37:40,512 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 13:37:40,512 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 13:37:40,512 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 13:37:40,512 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 13:37:40,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 13:37:40,513 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 13:37:40,513 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 13:37:40,513 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 13:37:40,514 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 13:37:40,514 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 13:37:40,514 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 13:37:40,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 13:37:40,515 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 13:37:40,516 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 13:37:40,516 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 13:37:40,554 INFO ]: Repository-Root is: /tmp [2018-06-22 13:37:40,570 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 13:37:40,578 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 13:37:40,579 INFO ]: Initializing SmtParser... [2018-06-22 13:37:40,580 INFO ]: SmtParser initialized [2018-06-22 13:37:40,581 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_4_agreement.smt2 [2018-06-22 13:37:40,582 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 13:37:40,676 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_4_agreement.smt2 unknown [2018-06-22 13:37:41,138 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_4_agreement.smt2 [2018-06-22 13:37:41,143 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 13:37:41,150 INFO ]: Walking toolchain with 4 elements. [2018-06-22 13:37:41,151 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 13:37:41,158 INFO ]: Initializing ChcToBoogie... [2018-06-22 13:37:41,158 INFO ]: ChcToBoogie initialized [2018-06-22 13:37:41,162 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:37:41" (1/1) ... [2018-06-22 13:37:41,272 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41 Unit [2018-06-22 13:37:41,273 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 13:37:41,273 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 13:37:41,273 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 13:37:41,273 INFO ]: Boogie Preprocessor initialized [2018-06-22 13:37:41,302 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41" (1/1) ... [2018-06-22 13:37:41,303 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41" (1/1) ... [2018-06-22 13:37:41,318 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41" (1/1) ... [2018-06-22 13:37:41,318 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41" (1/1) ... [2018-06-22 13:37:41,335 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41" (1/1) ... [2018-06-22 13:37:41,336 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41" (1/1) ... [2018-06-22 13:37:41,344 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41" (1/1) ... [2018-06-22 13:37:41,348 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 13:37:41,349 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 13:37:41,349 INFO ]: Initializing RCFGBuilder... [2018-06-22 13:37:41,349 INFO ]: RCFGBuilder initialized [2018-06-22 13:37:41,350 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 13:37:41,364 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 13:37:41,364 INFO ]: Found specification of procedure False [2018-06-22 13:37:41,364 INFO ]: Found implementation of procedure False [2018-06-22 13:37:41,364 INFO ]: Specification and implementation of procedure invariant given in one single declaration [2018-06-22 13:37:41,364 INFO ]: Found specification of procedure invariant [2018-06-22 13:37:41,364 INFO ]: Found implementation of procedure invariant [2018-06-22 13:37:41,364 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 13:37:41,364 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 13:37:41,364 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 13:37:41,629 INFO ]: Using library mode [2018-06-22 13:37:41,630 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:37:41 BoogieIcfgContainer [2018-06-22 13:37:41,630 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 13:37:41,632 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 13:37:41,632 INFO ]: Initializing TraceAbstraction... [2018-06-22 13:37:41,636 INFO ]: TraceAbstraction initialized [2018-06-22 13:37:41,636 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:37:41" (1/3) ... [2018-06-22 13:37:41,637 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f59f130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:37:41, skipping insertion in model container [2018-06-22 13:37:41,637 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:37:41" (2/3) ... [2018-06-22 13:37:41,637 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f59f130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:37:41, skipping insertion in model container [2018-06-22 13:37:41,637 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:37:41" (3/3) ... [2018-06-22 13:37:41,639 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 13:37:41,651 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 13:37:41,663 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 13:37:41,703 INFO ]: Using default assertion order modulation [2018-06-22 13:37:41,704 INFO ]: Interprodecural is true [2018-06-22 13:37:41,704 INFO ]: Hoare is false [2018-06-22 13:37:41,704 INFO ]: Compute interpolants for FPandBP [2018-06-22 13:37:41,704 INFO ]: Backedges is TWOTRACK [2018-06-22 13:37:41,704 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 13:37:41,704 INFO ]: Difference is false [2018-06-22 13:37:41,704 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 13:37:41,704 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 13:37:41,717 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 13:37:41,728 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 13:37:41,728 INFO ]: Found error trace [2018-06-22 13:37:41,729 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:37:41,729 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:37:41,736 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 13:37:41,738 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:37:41,738 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:37:41,774 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:37:41,774 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:37:41,774 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:37:41,865 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:37:42,033 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 13:37:42,036 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 13:37:42,036 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 13:37:42,038 INFO ]: Interpolant automaton has 4 states [2018-06-22 13:37:42,052 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 13:37:42,052 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 13:37:42,054 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 13:37:42,190 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:37:42,190 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 13:37:42,191 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 13:37:42,192 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 13:37:42,193 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:37:42,204 INFO ]: With dead ends: 13 [2018-06-22 13:37:42,204 INFO ]: Without dead ends: 13 [2018-06-22 13:37:42,207 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 13:37:42,221 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 13:37:42,244 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 13:37:42,245 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 13:37:42,246 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 13:37:42,247 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 13:37:42,247 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:37:42,247 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 13:37:42,247 INFO ]: Interpolant automaton has 4 states. [2018-06-22 13:37:42,247 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 13:37:42,248 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 13:37:42,248 INFO ]: Found error trace [2018-06-22 13:37:42,248 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:37:42,248 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:37:42,248 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 13:37:42,248 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:37:42,248 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:37:42,249 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:37:42,249 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:37:42,249 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:37:42,356 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:37:42,679 WARN ]: Spent 111.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 6 [2018-06-22 13:37:42,762 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:37:42,762 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:37:42,762 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 13:37:42,770 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:37:42,882 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:37:42,895 INFO ]: Computing forward predicates... [2018-06-22 13:37:44,655 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:37:44,675 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 13:37:44,675 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 13:37:44,676 INFO ]: Interpolant automaton has 9 states [2018-06-22 13:37:44,676 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 13:37:44,677 INFO ]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-06-22 13:37:44,677 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 9 states. [2018-06-22 13:37:45,048 WARN ]: Spent 230.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 7 [2018-06-22 13:37:45,184 WARN ]: Spent 116.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 12 [2018-06-22 13:37:45,205 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:37:45,205 INFO ]: Finished difference Result 17 states and 18 transitions. [2018-06-22 13:37:45,206 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 13:37:45,206 INFO ]: Start accepts. Automaton has 9 states. Word has length 13 [2018-06-22 13:37:45,206 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:37:45,206 INFO ]: With dead ends: 17 [2018-06-22 13:37:45,206 INFO ]: Without dead ends: 17 [2018-06-22 13:37:45,207 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-06-22 13:37:45,207 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 13:37:45,211 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 13:37:45,211 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 13:37:45,212 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-06-22 13:37:45,212 INFO ]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2018-06-22 13:37:45,212 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:37:45,212 INFO ]: Abstraction has 17 states and 18 transitions. [2018-06-22 13:37:45,212 INFO ]: Interpolant automaton has 9 states. [2018-06-22 13:37:45,212 INFO ]: Start isEmpty. Operand 17 states and 18 transitions. [2018-06-22 13:37:45,213 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 13:37:45,213 INFO ]: Found error trace [2018-06-22 13:37:45,213 INFO ]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:37:45,213 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:37:45,213 INFO ]: Analyzing trace with hash -2056434034, now seen corresponding path program 2 times [2018-06-22 13:37:45,213 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:37:45,213 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:37:45,214 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:37:45,214 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:37:45,214 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:37:45,689 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:37:50,034 WARN ]: Spent 1.87 s on a formula simplification. DAG size of input: 78 DAG size of output: 19 [2018-06-22 13:38:29,597 WARN ]: Spent 38.67 s on a formula simplification. DAG size of input: 3225 DAG size of output: 327 Received shutdown request... [2018-06-22 13:38:53,266 WARN ]: Removed 24 from assertion stack [2018-06-22 13:38:53,267 WARN ]: Verification canceled [2018-06-22 13:38:53,270 WARN ]: Timeout [2018-06-22 13:38:53,270 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:38:53 BoogieIcfgContainer [2018-06-22 13:38:53,270 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 13:38:53,271 INFO ]: Toolchain (without parser) took 72126.96 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 252.2 MB in the beginning and 393.1 MB in the end (delta: -140.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 13:38:53,272 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 13:38:53,272 INFO ]: ChcToBoogie took 122.28 ms. Allocated memory is still 308.8 MB. Free memory was 252.2 MB in the beginning and 250.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:38:53,272 INFO ]: Boogie Preprocessor took 74.31 ms. Allocated memory is still 308.8 MB. Free memory was 250.2 MB in the beginning and 248.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:38:53,273 INFO ]: RCFGBuilder took 280.82 ms. Allocated memory is still 308.8 MB. Free memory was 248.2 MB in the beginning and 226.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:38:53,273 INFO ]: TraceAbstraction took 71638.39 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 226.2 MB in the beginning and 393.1 MB in the end (delta: -166.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 13:38:53,276 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 122.28 ms. Allocated memory is still 308.8 MB. Free memory was 252.2 MB in the beginning and 250.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 74.31 ms. Allocated memory is still 308.8 MB. Free memory was 250.2 MB in the beginning and 248.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 280.82 ms. Allocated memory is still 308.8 MB. Free memory was 248.2 MB in the beginning and 226.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 71638.39 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 226.2 MB in the beginning and 393.1 MB in the end (delta: -166.8 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 BasicCegarLoop was analyzing trace of length 22 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 1393. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 71.5s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 6 SDslu, 38 SDs, 0 SdLazy, 26 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 1048 SizeOfPredicates, 112 NumberOfNonLiveVariables, 323 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/6 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_5_4_agreement.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_13-38-53-286.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_5_4_agreement.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_13-38-53-286.csv Completed graceful shutdown