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_3_agreement.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 13:36:34,019 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 13:36:34,021 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 13:36:34,035 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 13:36:34,035 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 13:36:34,036 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 13:36:34,037 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 13:36:34,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 13:36:34,041 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 13:36:34,041 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 13:36:34,043 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 13:36:34,044 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 13:36:34,044 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 13:36:34,045 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 13:36:34,046 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 13:36:34,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 13:36:34,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 13:36:34,060 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 13:36:34,061 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 13:36:34,062 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 13:36:34,063 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 13:36:34,069 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 13:36:34,069 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 13:36:34,069 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 13:36:34,070 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 13:36:34,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 13:36:34,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 13:36:34,074 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 13:36:34,075 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 13:36:34,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 13:36:34,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 13:36:34,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 13:36:34,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 13:36:34,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 13:36:34,081 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 13:36:34,082 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 13:36:34,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 13:36:34,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 13:36:34,097 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 13:36:34,097 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 13:36:34,098 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 13:36:34,098 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 13:36:34,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 13:36:34,099 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 13:36:34,099 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 13:36:34,099 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 13:36:34,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 13:36:34,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 13:36:34,100 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 13:36:34,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 13:36:34,101 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 13:36:34,101 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 13:36:34,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 13:36:34,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 13:36:34,101 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 13:36:34,103 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 13:36:34,103 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 13:36:34,151 INFO ]: Repository-Root is: /tmp [2018-06-22 13:36:34,166 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 13:36:34,172 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 13:36:34,173 INFO ]: Initializing SmtParser... [2018-06-22 13:36:34,173 INFO ]: SmtParser initialized [2018-06-22 13:36:34,174 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_agreement.smt2 [2018-06-22 13:36:34,175 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 13:36:34,247 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_agreement.smt2 unknown [2018-06-22 13:36:34,618 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_agreement.smt2 [2018-06-22 13:36:34,622 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 13:36:34,639 INFO ]: Walking toolchain with 4 elements. [2018-06-22 13:36:34,639 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 13:36:34,639 INFO ]: Initializing ChcToBoogie... [2018-06-22 13:36:34,639 INFO ]: ChcToBoogie initialized [2018-06-22 13:36:34,642 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:36:34" (1/1) ... [2018-06-22 13:36:34,729 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34 Unit [2018-06-22 13:36:34,729 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 13:36:34,730 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 13:36:34,730 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 13:36:34,730 INFO ]: Boogie Preprocessor initialized [2018-06-22 13:36:34,753 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34" (1/1) ... [2018-06-22 13:36:34,753 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34" (1/1) ... [2018-06-22 13:36:34,772 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34" (1/1) ... [2018-06-22 13:36:34,772 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34" (1/1) ... [2018-06-22 13:36:34,785 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34" (1/1) ... [2018-06-22 13:36:34,786 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34" (1/1) ... [2018-06-22 13:36:34,788 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34" (1/1) ... [2018-06-22 13:36:34,791 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 13:36:34,791 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 13:36:34,791 INFO ]: Initializing RCFGBuilder... [2018-06-22 13:36:34,791 INFO ]: RCFGBuilder initialized [2018-06-22 13:36:34,801 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34" (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 13:36:34,821 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 13:36:34,821 INFO ]: Found specification of procedure False [2018-06-22 13:36:34,821 INFO ]: Found implementation of procedure False [2018-06-22 13:36:34,822 INFO ]: Specification and implementation of procedure invariant given in one single declaration [2018-06-22 13:36:34,822 INFO ]: Found specification of procedure invariant [2018-06-22 13:36:34,822 INFO ]: Found implementation of procedure invariant [2018-06-22 13:36:34,822 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 13:36:34,822 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 13:36:34,822 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 13:36:35,207 INFO ]: Using library mode [2018-06-22 13:36:35,208 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:36:35 BoogieIcfgContainer [2018-06-22 13:36:35,208 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 13:36:35,210 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 13:36:35,210 INFO ]: Initializing TraceAbstraction... [2018-06-22 13:36:35,213 INFO ]: TraceAbstraction initialized [2018-06-22 13:36:35,215 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:36:34" (1/3) ... [2018-06-22 13:36:35,216 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8c4118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:36:35, skipping insertion in model container [2018-06-22 13:36:35,216 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:34" (2/3) ... [2018-06-22 13:36:35,216 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8c4118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:36:35, skipping insertion in model container [2018-06-22 13:36:35,216 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:36:35" (3/3) ... [2018-06-22 13:36:35,218 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 13:36:35,228 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 13:36:35,236 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 13:36:35,277 INFO ]: Using default assertion order modulation [2018-06-22 13:36:35,277 INFO ]: Interprodecural is true [2018-06-22 13:36:35,277 INFO ]: Hoare is false [2018-06-22 13:36:35,277 INFO ]: Compute interpolants for FPandBP [2018-06-22 13:36:35,277 INFO ]: Backedges is TWOTRACK [2018-06-22 13:36:35,277 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 13:36:35,277 INFO ]: Difference is false [2018-06-22 13:36:35,277 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 13:36:35,277 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 13:36:35,290 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 13:36:35,303 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 13:36:35,303 INFO ]: Found error trace [2018-06-22 13:36:35,304 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:36:35,304 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:36:35,310 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 13:36:35,312 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:36:35,313 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:36:35,349 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:35,349 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:36:35,349 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:35,418 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:36:35,570 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 13:36:35,573 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 13:36:35,573 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 13:36:35,575 INFO ]: Interpolant automaton has 4 states [2018-06-22 13:36:35,587 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 13:36:35,587 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 13:36:35,589 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 13:36:35,702 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:36:35,702 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 13:36:35,710 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 13:36:35,712 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 13:36:35,712 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:36:35,727 INFO ]: With dead ends: 13 [2018-06-22 13:36:35,727 INFO ]: Without dead ends: 13 [2018-06-22 13:36:35,729 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 13:36:35,741 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 13:36:35,765 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 13:36:35,766 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 13:36:35,767 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 13:36:35,768 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 13:36:35,769 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:36:35,769 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 13:36:35,769 INFO ]: Interpolant automaton has 4 states. [2018-06-22 13:36:35,769 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 13:36:35,770 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 13:36:35,770 INFO ]: Found error trace [2018-06-22 13:36:35,770 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:36:35,770 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:36:35,771 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 13:36:35,771 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:36:35,771 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:36:35,772 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:35,772 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:36:35,772 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:35,859 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:36:36,206 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:36:36,207 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:36:36,207 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 13:36:36,218 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:36:36,362 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:36:36,371 INFO ]: Computing forward predicates... [2018-06-22 13:36:37,096 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:36:37,117 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 13:36:37,117 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 13:36:37,117 INFO ]: Interpolant automaton has 9 states [2018-06-22 13:36:37,117 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 13:36:37,118 INFO ]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-06-22 13:36:37,118 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 9 states. [2018-06-22 13:36:37,539 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:36:37,539 INFO ]: Finished difference Result 17 states and 18 transitions. [2018-06-22 13:36:37,540 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 13:36:37,540 INFO ]: Start accepts. Automaton has 9 states. Word has length 13 [2018-06-22 13:36:37,540 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:36:37,541 INFO ]: With dead ends: 17 [2018-06-22 13:36:37,541 INFO ]: Without dead ends: 17 [2018-06-22 13:36:37,542 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-06-22 13:36:37,542 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 13:36:37,544 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 13:36:37,544 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 13:36:37,545 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-06-22 13:36:37,545 INFO ]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2018-06-22 13:36:37,545 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:36:37,545 INFO ]: Abstraction has 17 states and 18 transitions. [2018-06-22 13:36:37,545 INFO ]: Interpolant automaton has 9 states. [2018-06-22 13:36:37,545 INFO ]: Start isEmpty. Operand 17 states and 18 transitions. [2018-06-22 13:36:37,546 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 13:36:37,546 INFO ]: Found error trace [2018-06-22 13:36:37,546 INFO ]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:36:37,546 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:36:37,546 INFO ]: Analyzing trace with hash -2056434034, now seen corresponding path program 2 times [2018-06-22 13:36:37,546 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:36:37,546 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:36:37,547 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:37,547 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:36:37,547 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:37,940 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:36:40,003 WARN ]: Spent 685.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2018-06-22 13:36:46,523 WARN ]: Spent 6.25 s on a formula simplification. DAG size of input: 1031 DAG size of output: 216 [2018-06-22 13:36:53,118 WARN ]: Spent 6.50 s on a formula simplification. DAG size of input: 670 DAG size of output: 441 [2018-06-22 13:36:55,016 WARN ]: Spent 1.83 s on a formula simplification. DAG size of input: 363 DAG size of output: 189 [2018-06-22 13:36:55,194 WARN ]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2018-06-22 13:36:56,287 WARN ]: Spent 1.03 s on a formula simplification. DAG size of input: 269 DAG size of output: 133 [2018-06-22 13:36:58,607 WARN ]: Spent 2.18 s on a formula simplification. DAG size of input: 372 DAG size of output: 181 [2018-06-22 13:36:58,746 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 13:36:58,746 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:36:58,746 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 13:36:58,759 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 13:36:58,864 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 13:36:58,864 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:36:58,879 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 13:37:36,951 INFO ]: Timeout while computing interpolants [2018-06-22 13:37:37,152 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 13:37:37,152 WARN ]: Verification canceled [2018-06-22 13:37:37,157 WARN ]: Timeout [2018-06-22 13:37:37,160 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:37:37 BoogieIcfgContainer [2018-06-22 13:37:37,160 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 13:37:37,161 INFO ]: Toolchain (without parser) took 62538.19 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 251.5 MB in the beginning and 892.6 MB in the end (delta: -641.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 13:37:37,162 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 13:37:37,162 INFO ]: ChcToBoogie took 90.59 ms. Allocated memory is still 305.1 MB. Free memory was 251.5 MB in the beginning and 247.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:37:37,162 INFO ]: Boogie Preprocessor took 60.66 ms. Allocated memory is still 305.1 MB. Free memory is still 247.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 13:37:37,167 INFO ]: RCFGBuilder took 416.75 ms. Allocated memory is still 305.1 MB. Free memory was 247.6 MB in the beginning and 229.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:37:37,167 INFO ]: TraceAbstraction took 61949.44 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 227.6 MB in the beginning and 892.6 MB in the end (delta: -665.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 13:37:37,170 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 90.59 ms. Allocated memory is still 305.1 MB. Free memory was 251.5 MB in the beginning and 247.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.66 ms. Allocated memory is still 305.1 MB. Free memory is still 247.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 416.75 ms. Allocated memory is still 305.1 MB. Free memory was 247.6 MB in the beginning and 229.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 61949.44 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 227.6 MB in the beginning and 892.6 MB in the end (delta: -665.0 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 TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 8 quantified variables from 3 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 61.8s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 0.5s 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, 0.7s 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, 1.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 1048 SizeOfPredicates, 90 NumberOfNonLiveVariables, 261 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_3_agreement.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_13-37-37-187.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_5_3_agreement.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_13-37-37-187.csv Completed graceful shutdown