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_general_3_3_validity.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 03:08:11,423 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 03:08:11,425 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 03:08:11,437 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 03:08:11,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 03:08:11,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 03:08:11,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 03:08:11,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 03:08:11,446 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 03:08:11,447 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 03:08:11,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 03:08:11,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 03:08:11,449 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 03:08:11,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 03:08:11,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 03:08:11,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 03:08:11,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 03:08:11,455 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 03:08:11,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 03:08:11,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 03:08:11,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 03:08:11,461 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 03:08:11,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 03:08:11,462 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 03:08:11,462 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 03:08:11,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 03:08:11,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 03:08:11,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 03:08:11,466 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 03:08:11,466 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 03:08:11,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 03:08:11,467 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 03:08:11,468 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 03:08:11,468 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 03:08:11,469 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 03:08:11,469 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 03:08:11,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 03:08:11,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 03:08:11,488 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 03:08:11,488 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 03:08:11,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 03:08:11,489 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 03:08:11,489 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 03:08:11,489 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 03:08:11,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 03:08:11,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 03:08:11,490 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 03:08:11,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 03:08:11,490 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 03:08:11,490 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 03:08:11,491 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 03:08:11,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 03:08:11,491 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 03:08:11,492 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 03:08:11,493 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 03:08:11,527 INFO ]: Repository-Root is: /tmp [2018-06-22 03:08:11,544 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 03:08:11,548 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 03:08:11,549 INFO ]: Initializing SmtParser... [2018-06-22 03:08:11,550 INFO ]: SmtParser initialized [2018-06-22 03:08:11,550 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_validity.smt2 [2018-06-22 03:08:11,552 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 03:08:11,652 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_validity.smt2 unknown [2018-06-22 03:08:11,930 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_validity.smt2 [2018-06-22 03:08:11,935 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 03:08:11,940 INFO ]: Walking toolchain with 4 elements. [2018-06-22 03:08:11,941 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 03:08:11,941 INFO ]: Initializing ChcToBoogie... [2018-06-22 03:08:11,941 INFO ]: ChcToBoogie initialized [2018-06-22 03:08:11,944 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:08:11" (1/1) ... [2018-06-22 03:08:12,023 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12 Unit [2018-06-22 03:08:12,023 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 03:08:12,024 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 03:08:12,024 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 03:08:12,024 INFO ]: Boogie Preprocessor initialized [2018-06-22 03:08:12,045 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12" (1/1) ... [2018-06-22 03:08:12,045 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12" (1/1) ... [2018-06-22 03:08:12,054 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12" (1/1) ... [2018-06-22 03:08:12,054 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12" (1/1) ... [2018-06-22 03:08:12,070 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12" (1/1) ... [2018-06-22 03:08:12,072 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12" (1/1) ... [2018-06-22 03:08:12,074 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12" (1/1) ... [2018-06-22 03:08:12,084 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 03:08:12,085 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 03:08:12,085 INFO ]: Initializing RCFGBuilder... [2018-06-22 03:08:12,085 INFO ]: RCFGBuilder initialized [2018-06-22 03:08:12,086 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12" (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 03:08:12,106 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 03:08:12,106 INFO ]: Found specification of procedure gotoProc [2018-06-22 03:08:12,106 INFO ]: Found implementation of procedure gotoProc [2018-06-22 03:08:12,106 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 03:08:12,106 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 03:08:12,106 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 03:08:12,441 INFO ]: Using library mode [2018-06-22 03:08:12,442 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:08:12 BoogieIcfgContainer [2018-06-22 03:08:12,442 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 03:08:12,444 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 03:08:12,444 INFO ]: Initializing TraceAbstraction... [2018-06-22 03:08:12,447 INFO ]: TraceAbstraction initialized [2018-06-22 03:08:12,447 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:08:11" (1/3) ... [2018-06-22 03:08:12,448 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f88bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 03:08:12, skipping insertion in model container [2018-06-22 03:08:12,448 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:08:12" (2/3) ... [2018-06-22 03:08:12,449 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f88bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:08:12, skipping insertion in model container [2018-06-22 03:08:12,449 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:08:12" (3/3) ... [2018-06-22 03:08:12,451 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 03:08:12,460 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 03:08:12,473 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 03:08:12,521 INFO ]: Using default assertion order modulation [2018-06-22 03:08:12,522 INFO ]: Interprodecural is true [2018-06-22 03:08:12,522 INFO ]: Hoare is false [2018-06-22 03:08:12,522 INFO ]: Compute interpolants for FPandBP [2018-06-22 03:08:12,522 INFO ]: Backedges is TWOTRACK [2018-06-22 03:08:12,522 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 03:08:12,522 INFO ]: Difference is false [2018-06-22 03:08:12,522 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 03:08:12,522 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 03:08:12,540 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 03:08:12,557 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 03:08:12,558 INFO ]: Found error trace [2018-06-22 03:08:12,559 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:08:12,565 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:08:12,572 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 03:08:12,574 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:08:12,575 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:08:12,618 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:08:12,618 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:08:12,618 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:08:12,684 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:08:12,805 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:08:12,808 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 03:08:12,808 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 03:08:12,811 INFO ]: Interpolant automaton has 3 states [2018-06-22 03:08:12,823 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 03:08:12,823 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 03:08:12,826 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 03:08:12,882 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:08:12,882 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 03:08:12,883 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 03:08:12,885 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 03:08:12,885 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:08:12,892 INFO ]: With dead ends: 9 [2018-06-22 03:08:12,892 INFO ]: Without dead ends: 9 [2018-06-22 03:08:12,893 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 03:08:12,908 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 03:08:12,932 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 03:08:12,934 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 03:08:12,934 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 03:08:12,936 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 03:08:12,936 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:08:12,936 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 03:08:12,936 INFO ]: Interpolant automaton has 3 states. [2018-06-22 03:08:12,936 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 03:08:12,936 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 03:08:12,936 INFO ]: Found error trace [2018-06-22 03:08:12,936 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:08:12,937 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:08:12,937 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 03:08:12,937 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:08:12,937 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:08:12,938 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:08:12,938 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:08:12,938 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:08:13,044 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:08:13,283 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:08:13,284 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:08:13,284 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 03:08:13,295 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:08:13,402 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:08:13,411 INFO ]: Computing forward predicates... [2018-06-22 03:08:13,961 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:08:13,996 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 03:08:13,996 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-06-22 03:08:13,996 INFO ]: Interpolant automaton has 4 states [2018-06-22 03:08:13,996 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 03:08:13,996 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 03:08:13,997 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2018-06-22 03:08:14,102 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:08:14,102 INFO ]: Finished difference Result 10 states and 10 transitions. [2018-06-22 03:08:14,103 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 03:08:14,103 INFO ]: Start accepts. Automaton has 4 states. Word has length 8 [2018-06-22 03:08:14,103 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:08:14,103 INFO ]: With dead ends: 10 [2018-06-22 03:08:14,103 INFO ]: Without dead ends: 10 [2018-06-22 03:08:14,104 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 03:08:14,104 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-22 03:08:14,105 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-06-22 03:08:14,105 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-22 03:08:14,105 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-06-22 03:08:14,105 INFO ]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-06-22 03:08:14,106 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:08:14,106 INFO ]: Abstraction has 10 states and 10 transitions. [2018-06-22 03:08:14,106 INFO ]: Interpolant automaton has 4 states. [2018-06-22 03:08:14,106 INFO ]: Start isEmpty. Operand 10 states and 10 transitions. [2018-06-22 03:08:14,106 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 03:08:14,106 INFO ]: Found error trace [2018-06-22 03:08:14,106 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:08:14,106 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:08:14,106 INFO ]: Analyzing trace with hash -2073468660, now seen corresponding path program 2 times [2018-06-22 03:08:14,106 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:08:14,106 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:08:14,110 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:08:14,110 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:08:14,110 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:08:14,216 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:08:14,685 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:08:14,685 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:08:14,685 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 03:08:14,702 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 03:08:14,806 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 03:08:14,806 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:08:14,812 INFO ]: Computing forward predicates... [2018-06-22 03:08:15,740 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:08:15,763 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 03:08:15,763 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-06-22 03:08:15,763 INFO ]: Interpolant automaton has 5 states [2018-06-22 03:08:15,763 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 03:08:15,763 INFO ]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 03:08:15,764 INFO ]: Start difference. First operand 10 states and 10 transitions. Second operand 5 states. [2018-06-22 03:08:15,851 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:08:15,851 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 03:08:15,852 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 03:08:15,852 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-22 03:08:15,852 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:08:15,852 INFO ]: With dead ends: 11 [2018-06-22 03:08:15,852 INFO ]: Without dead ends: 11 [2018-06-22 03:08:15,853 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 03:08:15,853 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 03:08:15,853 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 03:08:15,853 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 03:08:15,854 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 03:08:15,854 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-06-22 03:08:15,854 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:08:15,854 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 03:08:15,854 INFO ]: Interpolant automaton has 5 states. [2018-06-22 03:08:15,854 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 03:08:15,854 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 03:08:15,854 INFO ]: Found error trace [2018-06-22 03:08:15,854 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:08:15,854 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:08:15,855 INFO ]: Analyzing trace with hash 145098516, now seen corresponding path program 3 times [2018-06-22 03:08:15,855 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:08:15,855 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:08:15,855 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:08:15,856 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 03:08:15,856 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:08:16,051 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:08:16,578 WARN ]: Spent 227.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2018-06-22 03:08:17,906 WARN ]: Spent 1.27 s on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2018-06-22 03:08:18,430 WARN ]: Spent 449.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 85 [2018-06-22 03:08:18,542 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:08:18,542 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:08:18,542 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 03:08:18,548 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 03:08:18,653 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-06-22 03:08:18,653 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:08:18,661 INFO ]: Computing forward predicates... [2018-06-22 03:08:20,907 WARN ]: Spent 1.42 s on a formula simplification. DAG size of input: 218 DAG size of output: 70 [2018-06-22 03:08:32,656 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:33,045 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:33,477 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:34,057 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:34,473 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:34,931 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:35,316 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:35,763 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:36,329 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:36,749 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:37,152 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:37,492 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:37,905 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:38,323 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:38,863 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:39,315 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:44,240 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:44,418 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:44,597 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:44,755 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:44,898 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:45,043 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:45,190 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:45,355 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:45,570 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:45,711 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:45,882 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:46,030 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:48,074 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:08:48,094 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:08:51,880 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:08:51,895 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:08:51,910 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:08:54,040 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:08:54,055 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:08:54,068 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:08:56,316 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:08:56,324 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:08:56,346 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:08:59,085 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:08:59,140 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:08:59,162 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:09:01,639 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:09:01,648 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:09:01,668 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:09:04,272 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:09:04,300 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:09:04,318 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:09:06,987 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:09:07,003 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:09:07,025 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:09:11,355 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:09:11,519 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:09:11,558 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:09:14,560 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:09:14,569 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:09:14,588 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:09:16,977 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:09:16,999 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:09:17,011 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:09:18,930 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:09:18,937 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:09:18,953 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... [2018-06-22 03:09:21,151 INFO ]: Simplified to disjunction of 4352 conjuctions. [2018-06-22 03:09:21,184 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:09:21,202 WARN ]: Simplifying disjunction of 5376 conjuctions. This might take some time... Received shutdown request... [2018-06-22 03:09:24,334 INFO ]: Timeout while computing interpolants [2018-06-22 03:09:24,535 WARN ]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 03:09:24,535 WARN ]: Verification canceled [2018-06-22 03:09:24,540 WARN ]: Timeout [2018-06-22 03:09:24,540 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:09:24 BoogieIcfgContainer [2018-06-22 03:09:24,540 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 03:09:24,542 INFO ]: Toolchain (without parser) took 72606.13 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 259.7 MB in the beginning and 237.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 03:09:24,543 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 03:09:24,543 INFO ]: ChcToBoogie took 82.47 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 256.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:09:24,544 INFO ]: Boogie Preprocessor took 60.58 ms. Allocated memory is still 309.3 MB. Free memory was 256.7 MB in the beginning and 255.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 03:09:24,544 INFO ]: RCFGBuilder took 357.32 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 239.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:09:24,557 INFO ]: TraceAbstraction took 72096.26 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.7 MB in the beginning and 237.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 03:09:24,560 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 82.47 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 256.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.58 ms. Allocated memory is still 309.3 MB. Free memory was 256.7 MB in the beginning and 255.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 357.32 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 239.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72096.26 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.7 MB in the beginning and 237.9 MB in the end (delta: 1.7 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 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 5376 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 72.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 0 SDslu, 30 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=3, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 658 SizeOfPredicates, 2 NumberOfNonLiveVariables, 511 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/8 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_validity.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_03-09-24-590.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_3_3_validity.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_03-09-24-590.csv Completed graceful shutdown