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_4_18_validity.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 03:27:06,759 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 03:27:06,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 03:27:06,776 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 03:27:06,776 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 03:27:06,779 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 03:27:06,781 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 03:27:06,783 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 03:27:06,784 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 03:27:06,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 03:27:06,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 03:27:06,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 03:27:06,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 03:27:06,789 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 03:27:06,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 03:27:06,794 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 03:27:06,796 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 03:27:06,809 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 03:27:06,810 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 03:27:06,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 03:27:06,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 03:27:06,814 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 03:27:06,814 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 03:27:06,814 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 03:27:06,815 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 03:27:06,816 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 03:27:06,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 03:27:06,822 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 03:27:06,823 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 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[2018-06-22 03:27:06,830 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 03:27:06,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 03:27:06,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 03:27:06,854 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 03:27:06,854 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 03:27:06,855 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 03:27:06,855 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 03:27:06,856 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 03:27:06,856 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 03:27:06,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 03:27:06,856 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 03:27:06,856 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 03:27:06,856 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 03:27:06,857 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 03:27:06,857 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 03:27:06,857 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 03:27:06,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 03:27:06,858 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 03:27:06,859 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 03:27:06,859 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 03:27:06,904 INFO ]: Repository-Root is: /tmp [2018-06-22 03:27:06,918 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 03:27:06,922 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 03:27:06,926 INFO ]: Initializing SmtParser... [2018-06-22 03:27:06,926 INFO ]: SmtParser initialized [2018-06-22 03:27:06,927 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_18_validity.smt2 [2018-06-22 03:27:06,928 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 03:27:07,022 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_18_validity.smt2 unknown [2018-06-22 03:27:07,888 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_18_validity.smt2 [2018-06-22 03:27:07,892 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 03:27:07,907 INFO ]: Walking toolchain with 4 elements. [2018-06-22 03:27:07,907 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 03:27:07,907 INFO ]: Initializing ChcToBoogie... [2018-06-22 03:27:07,908 INFO ]: ChcToBoogie initialized [2018-06-22 03:27:07,913 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:27:07" (1/1) ... [2018-06-22 03:27:08,022 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08 Unit [2018-06-22 03:27:08,023 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 03:27:08,023 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 03:27:08,023 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 03:27:08,023 INFO ]: Boogie Preprocessor initialized [2018-06-22 03:27:08,042 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08" (1/1) ... [2018-06-22 03:27:08,043 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08" (1/1) ... [2018-06-22 03:27:08,063 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08" (1/1) ... [2018-06-22 03:27:08,063 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08" (1/1) ... [2018-06-22 03:27:08,086 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08" (1/1) ... [2018-06-22 03:27:08,088 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08" (1/1) ... [2018-06-22 03:27:08,094 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08" (1/1) ... [2018-06-22 03:27:08,107 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 03:27:08,108 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 03:27:08,108 INFO ]: Initializing RCFGBuilder... [2018-06-22 03:27:08,108 INFO ]: RCFGBuilder initialized [2018-06-22 03:27:08,108 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08" (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 03:27:08,118 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 03:27:08,118 INFO ]: Found specification of procedure gotoProc [2018-06-22 03:27:08,119 INFO ]: Found implementation of procedure gotoProc [2018-06-22 03:27:08,119 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 03:27:08,119 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 03:27:08,119 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 03:27:08,870 INFO ]: Using library mode [2018-06-22 03:27:08,871 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:27:08 BoogieIcfgContainer [2018-06-22 03:27:08,871 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 03:27:08,873 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 03:27:08,873 INFO ]: Initializing TraceAbstraction... [2018-06-22 03:27:08,876 INFO ]: TraceAbstraction initialized [2018-06-22 03:27:08,876 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:27:07" (1/3) ... [2018-06-22 03:27:08,877 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5206ad6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 03:27:08, skipping insertion in model container [2018-06-22 03:27:08,877 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:27:08" (2/3) ... [2018-06-22 03:27:08,877 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5206ad6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:27:08, skipping insertion in model container [2018-06-22 03:27:08,878 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:27:08" (3/3) ... [2018-06-22 03:27:08,879 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 03:27:08,889 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 03:27:08,918 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 03:27:08,968 INFO ]: Using default assertion order modulation [2018-06-22 03:27:08,969 INFO ]: Interprodecural is true [2018-06-22 03:27:08,969 INFO ]: Hoare is false [2018-06-22 03:27:08,969 INFO ]: Compute interpolants for FPandBP [2018-06-22 03:27:08,969 INFO ]: Backedges is TWOTRACK [2018-06-22 03:27:08,969 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 03:27:08,969 INFO ]: Difference is false [2018-06-22 03:27:08,969 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 03:27:08,969 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 03:27:08,986 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 03:27:08,998 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 03:27:08,998 INFO ]: Found error trace [2018-06-22 03:27:08,999 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:27:08,999 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:27:09,005 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 03:27:09,008 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:27:09,008 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:27:09,050 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:27:09,050 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:27:09,050 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:27:09,212 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:27:09,413 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:27:09,416 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 03:27:09,416 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 03:27:09,418 INFO ]: Interpolant automaton has 3 states [2018-06-22 03:27:09,435 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 03:27:09,436 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 03:27:09,439 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 03:27:09,585 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:27:09,585 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 03:27:09,586 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 03:27:09,587 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 03:27:09,587 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:27:09,597 INFO ]: With dead ends: 9 [2018-06-22 03:27:09,598 INFO ]: Without dead ends: 9 [2018-06-22 03:27:09,600 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 03:27:09,618 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 03:27:09,643 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 03:27:09,644 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 03:27:09,644 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 03:27:09,646 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 03:27:09,647 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:27:09,647 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 03:27:09,647 INFO ]: Interpolant automaton has 3 states. [2018-06-22 03:27:09,647 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 03:27:09,647 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 03:27:09,647 INFO ]: Found error trace [2018-06-22 03:27:09,647 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:27:09,647 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:27:09,647 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 03:27:09,647 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:27:09,647 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:27:09,648 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:27:09,648 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:27:09,648 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:27:09,883 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:27:10,365 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:27:10,366 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:27:10,366 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 03:27:10,393 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:27:10,736 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:27:10,759 INFO ]: Computing forward predicates... Java HotSpot(TM) 64-Bit Server VM warning: Exception java.lang.OutOfMemoryError occurred dispatching signal SIGTERM to handler- the VM may need to be forcibly terminated