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_4_agreement.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 03:32:05,412 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 03:32:05,415 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 03:32:05,429 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 03:32:05,429 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 03:32:05,430 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 03:32:05,434 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 03:32:05,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 03:32:05,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 03:32:05,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 03:32:05,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 03:32:05,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 03:32:05,442 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 03:32:05,444 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 03:32:05,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 03:32:05,448 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 03:32:05,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 03:32:05,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 03:32:05,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 03:32:05,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 03:32:05,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 03:32:05,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 03:32:05,470 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 03:32:05,474 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 03:32:05,475 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 03:32:05,476 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 03:32:05,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 03:32:05,478 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 03:32:05,480 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 03:32:05,480 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 03:32:05,481 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 03:32:05,481 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 03:32:05,482 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 03:32:05,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 03:32:05,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 03:32:05,488 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 03:32:05,510 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 03:32:05,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 03:32:05,511 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 03:32:05,511 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 03:32:05,513 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 03:32:05,513 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 03:32:05,514 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 03:32:05,514 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 03:32:05,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 03:32:05,514 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 03:32:05,514 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 03:32:05,515 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 03:32:05,515 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 03:32:05,515 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 03:32:05,515 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 03:32:05,515 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 03:32:05,516 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 03:32:05,518 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 03:32:05,518 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 03:32:05,569 INFO ]: Repository-Root is: /tmp [2018-06-22 03:32:05,584 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 03:32:05,589 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 03:32:05,591 INFO ]: Initializing SmtParser... [2018-06-22 03:32:05,591 INFO ]: SmtParser initialized [2018-06-22 03:32:05,592 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_4_agreement.smt2 [2018-06-22 03:32:05,593 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 03:32:05,687 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_4_agreement.smt2 unknown [2018-06-22 03:32:06,022 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_4_agreement.smt2 [2018-06-22 03:32:06,036 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 03:32:06,041 INFO ]: Walking toolchain with 4 elements. [2018-06-22 03:32:06,042 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 03:32:06,042 INFO ]: Initializing ChcToBoogie... [2018-06-22 03:32:06,042 INFO ]: ChcToBoogie initialized [2018-06-22 03:32:06,054 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:32:06" (1/1) ... [2018-06-22 03:32:06,140 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06 Unit [2018-06-22 03:32:06,140 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 03:32:06,141 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 03:32:06,141 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 03:32:06,143 INFO ]: Boogie Preprocessor initialized [2018-06-22 03:32:06,165 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06" (1/1) ... [2018-06-22 03:32:06,165 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06" (1/1) ... [2018-06-22 03:32:06,175 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06" (1/1) ... [2018-06-22 03:32:06,175 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06" (1/1) ... [2018-06-22 03:32:06,199 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06" (1/1) ... [2018-06-22 03:32:06,201 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06" (1/1) ... [2018-06-22 03:32:06,203 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06" (1/1) ... [2018-06-22 03:32:06,206 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 03:32:06,206 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 03:32:06,206 INFO ]: Initializing RCFGBuilder... [2018-06-22 03:32:06,206 INFO ]: RCFGBuilder initialized [2018-06-22 03:32:06,216 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06" (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 03:32:06,236 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 03:32:06,236 INFO ]: Found specification of procedure gotoProc [2018-06-22 03:32:06,236 INFO ]: Found implementation of procedure gotoProc [2018-06-22 03:32:06,237 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 03:32:06,237 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 03:32:06,237 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 03:32:06,676 INFO ]: Using library mode [2018-06-22 03:32:06,676 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:32:06 BoogieIcfgContainer [2018-06-22 03:32:06,676 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 03:32:06,678 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 03:32:06,678 INFO ]: Initializing TraceAbstraction... [2018-06-22 03:32:06,681 INFO ]: TraceAbstraction initialized [2018-06-22 03:32:06,681 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:32:06" (1/3) ... [2018-06-22 03:32:06,682 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eaacc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 03:32:06, skipping insertion in model container [2018-06-22 03:32:06,682 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:32:06" (2/3) ... [2018-06-22 03:32:06,682 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eaacc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:32:06, skipping insertion in model container [2018-06-22 03:32:06,682 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:32:06" (3/3) ... [2018-06-22 03:32:06,684 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 03:32:06,693 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 03:32:06,701 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 03:32:06,756 INFO ]: Using default assertion order modulation [2018-06-22 03:32:06,757 INFO ]: Interprodecural is true [2018-06-22 03:32:06,757 INFO ]: Hoare is false [2018-06-22 03:32:06,757 INFO ]: Compute interpolants for FPandBP [2018-06-22 03:32:06,757 INFO ]: Backedges is TWOTRACK [2018-06-22 03:32:06,757 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 03:32:06,757 INFO ]: Difference is false [2018-06-22 03:32:06,757 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 03:32:06,757 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 03:32:06,770 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 03:32:06,780 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 03:32:06,780 INFO ]: Found error trace [2018-06-22 03:32:06,781 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:32:06,781 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:32:06,789 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 03:32:06,791 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:32:06,791 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:32:06,834 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:32:06,834 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:32:06,834 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:32:06,926 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:32:07,063 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:32:07,065 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 03:32:07,065 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 03:32:07,067 INFO ]: Interpolant automaton has 3 states [2018-06-22 03:32:07,079 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 03:32:07,079 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 03:32:07,081 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 03:32:07,147 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:32:07,148 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 03:32:07,148 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 03:32:07,149 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 03:32:07,150 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:32:07,158 INFO ]: With dead ends: 9 [2018-06-22 03:32:07,158 INFO ]: Without dead ends: 9 [2018-06-22 03:32:07,160 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 03:32:07,174 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 03:32:07,197 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 03:32:07,198 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 03:32:07,199 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 03:32:07,200 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 03:32:07,200 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:32:07,200 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 03:32:07,200 INFO ]: Interpolant automaton has 3 states. [2018-06-22 03:32:07,200 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 03:32:07,200 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 03:32:07,200 INFO ]: Found error trace [2018-06-22 03:32:07,200 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:32:07,203 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:32:07,203 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 03:32:07,203 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:32:07,203 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:32:07,204 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:32:07,204 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:32:07,204 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:32:07,339 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:32:07,501 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:32:07,501 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:32:07,501 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 03:32:07,514 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:32:07,670 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:32:07,686 INFO ]: Computing forward predicates... [2018-06-22 03:32:09,456 WARN ]: Spent 177.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-06-22 03:32:09,461 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:32:09,498 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 03:32:09,498 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 03:32:09,499 INFO ]: Interpolant automaton has 6 states [2018-06-22 03:32:09,499 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 03:32:09,499 INFO ]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:32:09,499 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 03:32:09,676 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:32:09,676 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 03:32:09,677 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 03:32:09,677 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 03:32:09,677 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:32:09,677 INFO ]: With dead ends: 11 [2018-06-22 03:32:09,677 INFO ]: Without dead ends: 11 [2018-06-22 03:32:09,678 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:32:09,678 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 03:32:09,679 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 03:32:09,679 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 03:32:09,680 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 03:32:09,680 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 03:32:09,680 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:32:09,680 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 03:32:09,680 INFO ]: Interpolant automaton has 6 states. [2018-06-22 03:32:09,680 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 03:32:09,680 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 03:32:09,680 INFO ]: Found error trace [2018-06-22 03:32:09,681 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:32:09,682 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:32:09,682 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-22 03:32:09,682 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:32:09,682 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:32:09,683 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:32:09,683 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:32:09,683 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:32:10,179 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:32:11,995 WARN ]: Spent 817.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 22 [2018-06-22 03:32:17,478 WARN ]: Spent 5.34 s on a formula simplification. DAG size of input: 469 DAG size of output: 265 [2018-06-22 03:32:19,045 WARN ]: Spent 1.50 s on a formula simplification. DAG size of input: 384 DAG size of output: 129 [2018-06-22 03:32:19,472 WARN ]: Spent 401.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 46 [2018-06-22 03:32:19,477 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:32:19,477 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:32:19,477 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 03:32:19,515 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 03:32:19,708 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 03:32:19,708 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:32:19,719 INFO ]: Computing forward predicates... [2018-06-22 03:32:32,292 WARN ]: Simplifying disjunction of 131072 conjuctions. This might take some time... Received shutdown request... [2018-06-22 03:33:08,914 INFO ]: Timeout while computing interpolants [2018-06-22 03:33:09,115 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 03:33:09,116 WARN ]: Verification canceled [2018-06-22 03:33:09,120 WARN ]: Timeout [2018-06-22 03:33:09,120 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:33:09 BoogieIcfgContainer [2018-06-22 03:33:09,120 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 03:33:09,121 INFO ]: Toolchain (without parser) took 63085.09 ms. Allocated memory was 295.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 242.1 MB in the beginning and 342.8 MB in the end (delta: -100.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 03:33:09,122 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 295.7 MB. Free memory is still 260.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 03:33:09,123 INFO ]: ChcToBoogie took 98.20 ms. Allocated memory is still 295.7 MB. Free memory was 242.1 MB in the beginning and 238.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:33:09,123 INFO ]: Boogie Preprocessor took 65.31 ms. Allocated memory is still 295.7 MB. Free memory was 238.1 MB in the beginning and 236.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:33:09,124 INFO ]: RCFGBuilder took 470.23 ms. Allocated memory is still 295.7 MB. Free memory was 236.1 MB in the beginning and 214.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:33:09,124 INFO ]: TraceAbstraction took 62442.57 ms. Allocated memory was 295.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 214.2 MB in the beginning and 342.8 MB in the end (delta: -128.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 03:33:09,128 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 295.7 MB. Free memory is still 260.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 98.20 ms. Allocated memory is still 295.7 MB. Free memory was 242.1 MB in the beginning and 238.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.31 ms. Allocated memory is still 295.7 MB. Free memory was 238.1 MB in the beginning and 236.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 470.23 ms. Allocated memory is still 295.7 MB. Free memory was 236.1 MB in the beginning and 214.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 62442.57 ms. Allocated memory was 295.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 214.2 MB in the beginning and 342.8 MB in the end (delta: -128.6 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 131072 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 62.3s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 0 SDslu, 20 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 1 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_4_4_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_03-33-09-145.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_4_4_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_03-33-09-145.csv Completed graceful shutdown