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_validity_faulty_relay.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 04:01:57,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 04:01:57,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 04:01:57,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 04:01:57,314 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 04:01:57,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 04:01:57,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 04:01:57,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 04:01:57,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 04:01:57,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 04:01:57,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 04:01:57,326 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 04:01:57,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 04:01:57,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 04:01:57,331 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 04:01:57,331 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 04:01:57,333 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 04:01:57,335 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 04:01:57,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 04:01:57,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 04:01:57,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 04:01:57,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 04:01:57,350 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 04:01:57,350 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 04:01:57,351 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 04:01:57,352 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 04:01:57,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 04:01:57,353 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 04:01:57,354 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 04:01:57,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 04:01:57,355 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 04:01:57,356 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 04:01:57,356 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 04:01:57,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 04:01:57,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 04:01:57,358 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 04:01:57,461 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 04:01:57,462 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 04:01:57,463 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 04:01:57,463 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 04:01:57,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 04:01:57,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 04:01:57,464 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 04:01:57,465 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 04:01:57,465 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 04:01:57,465 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 04:01:57,465 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 04:01:57,465 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 04:01:57,465 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 04:01:57,466 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 04:01:57,466 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 04:01:57,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 04:01:57,466 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 04:01:57,467 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 04:01:57,468 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 04:01:57,516 INFO ]: Repository-Root is: /tmp [2018-06-22 04:01:57,534 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 04:01:57,542 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 04:01:57,544 INFO ]: Initializing SmtParser... [2018-06-22 04:01:57,544 INFO ]: SmtParser initialized [2018-06-22 04:01:57,546 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_validity_faulty_relay.smt2 [2018-06-22 04:01:57,547 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 04:01:57,643 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_validity_faulty_relay.smt2 unknown [2018-06-22 04:01:58,111 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_validity_faulty_relay.smt2 [2018-06-22 04:01:58,115 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 04:01:58,120 INFO ]: Walking toolchain with 4 elements. [2018-06-22 04:01:58,121 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 04:01:58,121 INFO ]: Initializing ChcToBoogie... [2018-06-22 04:01:58,121 INFO ]: ChcToBoogie initialized [2018-06-22 04:01:58,124 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:01:58" (1/1) ... [2018-06-22 04:01:58,202 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58 Unit [2018-06-22 04:01:58,202 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 04:01:58,203 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 04:01:58,203 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 04:01:58,203 INFO ]: Boogie Preprocessor initialized [2018-06-22 04:01:58,225 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58" (1/1) ... [2018-06-22 04:01:58,225 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58" (1/1) ... [2018-06-22 04:01:58,233 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58" (1/1) ... [2018-06-22 04:01:58,233 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58" (1/1) ... [2018-06-22 04:01:58,241 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58" (1/1) ... [2018-06-22 04:01:58,242 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58" (1/1) ... [2018-06-22 04:01:58,244 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58" (1/1) ... [2018-06-22 04:01:58,248 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 04:01:58,248 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 04:01:58,248 INFO ]: Initializing RCFGBuilder... [2018-06-22 04:01:58,248 INFO ]: RCFGBuilder initialized [2018-06-22 04:01:58,249 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58" (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 04:01:58,260 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 04:01:58,260 INFO ]: Found specification of procedure gotoProc [2018-06-22 04:01:58,260 INFO ]: Found implementation of procedure gotoProc [2018-06-22 04:01:58,260 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 04:01:58,260 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 04:01:58,260 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 04:01:58,628 INFO ]: Using library mode [2018-06-22 04:01:58,628 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:01:58 BoogieIcfgContainer [2018-06-22 04:01:58,629 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 04:01:58,631 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 04:01:58,631 INFO ]: Initializing TraceAbstraction... [2018-06-22 04:01:58,637 INFO ]: TraceAbstraction initialized [2018-06-22 04:01:58,637 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:01:58" (1/3) ... [2018-06-22 04:01:58,638 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3d361f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:01:58, skipping insertion in model container [2018-06-22 04:01:58,638 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:58" (2/3) ... [2018-06-22 04:01:58,638 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3d361f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:01:58, skipping insertion in model container [2018-06-22 04:01:58,638 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:01:58" (3/3) ... [2018-06-22 04:01:58,640 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 04:01:58,647 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 04:01:58,655 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 04:01:58,694 INFO ]: Using default assertion order modulation [2018-06-22 04:01:58,694 INFO ]: Interprodecural is true [2018-06-22 04:01:58,694 INFO ]: Hoare is false [2018-06-22 04:01:58,694 INFO ]: Compute interpolants for FPandBP [2018-06-22 04:01:58,695 INFO ]: Backedges is TWOTRACK [2018-06-22 04:01:58,695 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 04:01:58,695 INFO ]: Difference is false [2018-06-22 04:01:58,695 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 04:01:58,695 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 04:01:58,707 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 04:01:58,717 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 04:01:58,717 INFO ]: Found error trace [2018-06-22 04:01:58,718 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 04:01:58,718 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 04:01:58,721 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 04:01:58,723 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 04:01:58,723 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 04:01:58,756 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:58,756 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:01:58,756 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:58,854 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:01:58,986 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:01:58,987 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 04:01:58,988 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 04:01:58,989 INFO ]: Interpolant automaton has 3 states [2018-06-22 04:01:59,003 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 04:01:59,003 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 04:01:59,006 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 04:01:59,097 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 04:01:59,097 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 04:01:59,098 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 04:01:59,098 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 04:01:59,099 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 04:01:59,107 INFO ]: With dead ends: 9 [2018-06-22 04:01:59,107 INFO ]: Without dead ends: 9 [2018-06-22 04:01:59,109 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 04:01:59,128 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 04:01:59,146 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 04:01:59,147 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 04:01:59,148 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 04:01:59,149 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 04:01:59,149 INFO ]: Finished accepts. word is rejected. [2018-06-22 04:01:59,149 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 04:01:59,149 INFO ]: Interpolant automaton has 3 states. [2018-06-22 04:01:59,149 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 04:01:59,150 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 04:01:59,150 INFO ]: Found error trace [2018-06-22 04:01:59,150 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 04:01:59,150 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 04:01:59,150 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 04:01:59,150 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 04:01:59,150 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 04:01:59,151 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:59,151 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:01:59,151 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:59,267 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:01:59,433 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:01:59,433 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 04:01:59,433 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 04:01:59,443 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:01:59,599 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:01:59,611 INFO ]: Computing forward predicates... [2018-06-22 04:02:00,559 WARN ]: Spent 104.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-06-22 04:02:00,562 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:02:00,598 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 04:02:00,630 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 04:02:00,631 INFO ]: Interpolant automaton has 6 states [2018-06-22 04:02:00,631 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 04:02:00,631 INFO ]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 04:02:00,631 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 04:02:00,781 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 04:02:00,781 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 04:02:00,782 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 04:02:00,782 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 04:02:00,782 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 04:02:00,783 INFO ]: With dead ends: 11 [2018-06-22 04:02:00,783 INFO ]: Without dead ends: 11 [2018-06-22 04:02:00,783 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 04:02:00,784 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 04:02:00,785 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 04:02:00,785 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 04:02:00,785 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 04:02:00,785 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 04:02:00,786 INFO ]: Finished accepts. word is rejected. [2018-06-22 04:02:00,786 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 04:02:00,787 INFO ]: Interpolant automaton has 6 states. [2018-06-22 04:02:00,787 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 04:02:00,787 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 04:02:00,787 INFO ]: Found error trace [2018-06-22 04:02:00,787 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 04:02:00,787 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 04:02:00,787 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-22 04:02:00,787 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 04:02:00,788 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 04:02:00,788 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:02:00,788 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:02:00,789 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:02:01,027 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:02:02,332 WARN ]: Spent 626.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2018-06-22 04:02:04,970 WARN ]: Spent 2.52 s on a formula simplification. DAG size of input: 222 DAG size of output: 136 [2018-06-22 04:02:06,608 WARN ]: Spent 1.51 s on a formula simplification. DAG size of input: 259 DAG size of output: 138 [2018-06-22 04:02:06,926 WARN ]: Spent 270.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 46 [2018-06-22 04:02:06,928 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:02:06,928 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 04:02:06,928 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 04:02:06,942 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 04:02:07,096 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 04:02:07,096 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:02:07,106 INFO ]: Computing forward predicates... [2018-06-22 04:02:20,228 WARN ]: Simplifying disjunction of 15120 conjuctions. This might take some time... [2018-06-22 04:02:44,219 INFO ]: Simplified to disjunction of 15120 conjuctions. [2018-06-22 04:02:44,352 WARN ]: Simplifying disjunction of 14617 conjuctions. This might take some time... [2018-06-22 04:03:01,020 INFO ]: Simplified to disjunction of 14617 conjuctions. [2018-06-22 04:03:01,202 WARN ]: Simplifying disjunction of 16740 conjuctions. This might take some time... Received shutdown request... [2018-06-22 04:03:06,718 INFO ]: Timeout while computing interpolants [2018-06-22 04:03:06,919 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 04:03:06,919 WARN ]: Verification canceled [2018-06-22 04:03:06,927 WARN ]: Timeout [2018-06-22 04:03:06,927 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:03:06 BoogieIcfgContainer [2018-06-22 04:03:06,927 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 04:03:06,928 INFO ]: Toolchain (without parser) took 68812.32 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 256.9 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 04:03:06,929 INFO ]: SmtParser took 0.12 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 04:03:06,929 INFO ]: ChcToBoogie took 81.54 ms. Allocated memory is still 309.3 MB. Free memory was 256.9 MB in the beginning and 253.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 04:03:06,944 INFO ]: Boogie Preprocessor took 45.27 ms. Allocated memory is still 309.3 MB. Free memory was 253.9 MB in the beginning and 252.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 04:03:06,945 INFO ]: RCFGBuilder took 380.21 ms. Allocated memory is still 309.3 MB. Free memory was 252.9 MB in the beginning and 229.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 3.6 GB. [2018-06-22 04:03:06,945 INFO ]: TraceAbstraction took 68296.51 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 229.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 04:03:06,948 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.12 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 81.54 ms. Allocated memory is still 309.3 MB. Free memory was 256.9 MB in the beginning and 253.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 45.27 ms. Allocated memory is still 309.3 MB. Free memory was 253.9 MB in the beginning and 252.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 380.21 ms. Allocated memory is still 309.3 MB. Free memory was 252.9 MB in the beginning and 229.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68296.51 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 229.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). 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 16740 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 68.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 19 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s 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, 1.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 1 NumberOfNonLiveVariables, 351 ConjunctsInSsa, 5 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_validity_faulty_relay.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_04-03-06-983.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_validity_faulty_relay.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_04-03-06-983.csv Completed graceful shutdown