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_5_4_validity.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 03:54:18,228 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 03:54:18,230 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 03:54:18,242 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 03:54:18,243 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 03:54:18,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 03:54:18,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 03:54:18,247 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 03:54:18,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 03:54:18,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 03:54:18,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 03:54:18,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 03:54:18,252 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 03:54:18,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 03:54:18,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 03:54:18,255 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 03:54:18,257 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 03:54:18,259 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 03:54:18,261 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 03:54:18,262 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 03:54:18,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 03:54:18,266 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 03:54:18,267 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 03:54:18,267 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 03:54:18,268 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 03:54:18,269 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 03:54:18,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 03:54:18,271 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 03:54:18,273 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 03:54:18,273 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 03:54:18,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 03:54:18,275 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 03:54:18,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 03:54:18,276 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 03:54:18,277 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 03:54:18,277 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 03:54:18,291 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 03:54:18,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 03:54:18,292 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 03:54:18,292 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 03:54:18,293 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 03:54:18,294 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 03:54:18,294 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 03:54:18,294 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 03:54:18,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 03:54:18,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 03:54:18,295 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 03:54:18,295 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 03:54:18,295 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 03:54:18,296 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 03:54:18,296 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 03:54:18,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 03:54:18,296 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 03:54:18,298 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 03:54:18,298 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 03:54:18,335 INFO ]: Repository-Root is: /tmp [2018-06-22 03:54:18,355 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 03:54:18,361 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 03:54:18,363 INFO ]: Initializing SmtParser... [2018-06-22 03:54:18,363 INFO ]: SmtParser initialized [2018-06-22 03:54:18,364 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_4_validity.smt2 [2018-06-22 03:54:18,365 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 03:54:18,471 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_4_validity.smt2 unknown [2018-06-22 03:54:18,883 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_4_validity.smt2 [2018-06-22 03:54:18,887 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 03:54:18,892 INFO ]: Walking toolchain with 4 elements. [2018-06-22 03:54:18,892 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 03:54:18,892 INFO ]: Initializing ChcToBoogie... [2018-06-22 03:54:18,893 INFO ]: ChcToBoogie initialized [2018-06-22 03:54:18,896 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:54:18" (1/1) ... [2018-06-22 03:54:18,976 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18 Unit [2018-06-22 03:54:18,976 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 03:54:18,977 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 03:54:18,977 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 03:54:18,977 INFO ]: Boogie Preprocessor initialized [2018-06-22 03:54:18,996 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18" (1/1) ... [2018-06-22 03:54:18,996 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18" (1/1) ... [2018-06-22 03:54:19,005 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18" (1/1) ... [2018-06-22 03:54:19,005 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18" (1/1) ... [2018-06-22 03:54:19,018 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18" (1/1) ... [2018-06-22 03:54:19,020 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18" (1/1) ... [2018-06-22 03:54:19,023 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18" (1/1) ... [2018-06-22 03:54:19,029 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 03:54:19,029 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 03:54:19,029 INFO ]: Initializing RCFGBuilder... [2018-06-22 03:54:19,029 INFO ]: RCFGBuilder initialized [2018-06-22 03:54:19,030 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18" (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 03:54:19,050 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 03:54:19,050 INFO ]: Found specification of procedure gotoProc [2018-06-22 03:54:19,050 INFO ]: Found implementation of procedure gotoProc [2018-06-22 03:54:19,051 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 03:54:19,051 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 03:54:19,051 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 03:54:19,539 INFO ]: Using library mode [2018-06-22 03:54:19,539 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:54:19 BoogieIcfgContainer [2018-06-22 03:54:19,539 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 03:54:19,541 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 03:54:19,541 INFO ]: Initializing TraceAbstraction... [2018-06-22 03:54:19,549 INFO ]: TraceAbstraction initialized [2018-06-22 03:54:19,549 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:54:18" (1/3) ... [2018-06-22 03:54:19,551 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22646260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 03:54:19, skipping insertion in model container [2018-06-22 03:54:19,551 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:54:18" (2/3) ... [2018-06-22 03:54:19,551 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22646260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:54:19, skipping insertion in model container [2018-06-22 03:54:19,551 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:54:19" (3/3) ... [2018-06-22 03:54:19,553 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 03:54:19,563 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 03:54:19,572 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 03:54:19,620 INFO ]: Using default assertion order modulation [2018-06-22 03:54:19,620 INFO ]: Interprodecural is true [2018-06-22 03:54:19,620 INFO ]: Hoare is false [2018-06-22 03:54:19,620 INFO ]: Compute interpolants for FPandBP [2018-06-22 03:54:19,620 INFO ]: Backedges is TWOTRACK [2018-06-22 03:54:19,621 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 03:54:19,621 INFO ]: Difference is false [2018-06-22 03:54:19,621 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 03:54:19,621 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 03:54:19,636 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 03:54:19,654 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 03:54:19,654 INFO ]: Found error trace [2018-06-22 03:54:19,655 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:54:19,656 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:54:19,661 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 03:54:19,664 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:54:19,664 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:54:19,709 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:54:19,709 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:54:19,709 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:54:19,825 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:54:19,989 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:54:19,992 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 03:54:19,993 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 03:54:19,995 INFO ]: Interpolant automaton has 3 states [2018-06-22 03:54:20,012 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 03:54:20,013 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 03:54:20,016 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 03:54:20,132 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:54:20,132 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 03:54:20,133 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 03:54:20,135 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 03:54:20,135 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:54:20,148 INFO ]: With dead ends: 9 [2018-06-22 03:54:20,148 INFO ]: Without dead ends: 9 [2018-06-22 03:54:20,150 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 03:54:20,166 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 03:54:20,197 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 03:54:20,198 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 03:54:20,199 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 03:54:20,200 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 03:54:20,200 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:54:20,200 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 03:54:20,200 INFO ]: Interpolant automaton has 3 states. [2018-06-22 03:54:20,200 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 03:54:20,201 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 03:54:20,201 INFO ]: Found error trace [2018-06-22 03:54:20,201 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:54:20,201 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:54:20,201 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 03:54:20,201 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:54:20,201 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:54:20,202 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:54:20,202 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:54:20,202 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:54:20,324 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:54:20,632 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:54:20,633 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:54:20,633 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 03:54:20,649 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:54:20,809 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:54:20,824 INFO ]: Computing forward predicates... [2018-06-22 03:54:22,339 WARN ]: Spent 187.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-06-22 03:54:22,342 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:54:22,377 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 03:54:22,377 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 03:54:22,378 INFO ]: Interpolant automaton has 6 states [2018-06-22 03:54:22,378 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 03:54:22,378 INFO ]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:54:22,378 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 03:54:22,548 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:54:22,548 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 03:54:22,548 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 03:54:22,548 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 03:54:22,548 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:54:22,549 INFO ]: With dead ends: 11 [2018-06-22 03:54:22,549 INFO ]: Without dead ends: 11 [2018-06-22 03:54:22,549 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:54:22,550 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 03:54:22,551 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 03:54:22,551 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 03:54:22,551 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 03:54:22,551 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 03:54:22,551 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:54:22,551 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 03:54:22,551 INFO ]: Interpolant automaton has 6 states. [2018-06-22 03:54:22,551 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 03:54:22,552 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 03:54:22,552 INFO ]: Found error trace [2018-06-22 03:54:22,552 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:54:22,552 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:54:22,552 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-22 03:54:22,552 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:54:22,552 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:54:22,553 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:54:22,553 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:54:22,553 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:54:22,940 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:54:25,070 WARN ]: Spent 1.01 s on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2018-06-22 03:54:30,392 WARN ]: Spent 5.22 s on a formula simplification. DAG size of input: 344 DAG size of output: 257 [2018-06-22 03:54:32,141 WARN ]: Spent 1.62 s on a formula simplification. DAG size of input: 320 DAG size of output: 149 [2018-06-22 03:54:32,398 WARN ]: Spent 232.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 45 [2018-06-22 03:54:32,402 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:54:32,402 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:54:32,402 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) [2018-06-22 03:54:32,424 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 03:54:32,689 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 03:54:32,689 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:54:32,700 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 03:55:29,742 INFO ]: Timeout while computing interpolants [2018-06-22 03:55:29,943 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 03:55:29,943 WARN ]: Verification canceled [2018-06-22 03:55:29,956 WARN ]: Timeout [2018-06-22 03:55:29,957 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:55:29 BoogieIcfgContainer [2018-06-22 03:55:29,957 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 03:55:29,958 INFO ]: Toolchain (without parser) took 71070.31 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 248.1 MB in the beginning and 319.8 MB in the end (delta: -71.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 03:55:29,967 INFO ]: SmtParser took 0.12 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 03:55:29,967 INFO ]: ChcToBoogie took 84.46 ms. Allocated memory is still 303.6 MB. Free memory was 247.1 MB in the beginning and 244.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:55:29,968 INFO ]: Boogie Preprocessor took 51.42 ms. Allocated memory is still 303.6 MB. Free memory was 244.1 MB in the beginning and 243.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 03:55:29,968 INFO ]: RCFGBuilder took 510.05 ms. Allocated memory is still 303.6 MB. Free memory was 243.1 MB in the beginning and 215.7 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 3.6 GB. [2018-06-22 03:55:29,968 INFO ]: TraceAbstraction took 70415.77 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 215.7 MB in the beginning and 319.8 MB in the end (delta: -104.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 03:55:29,971 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 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 84.46 ms. Allocated memory is still 303.6 MB. Free memory was 247.1 MB in the beginning and 244.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 51.42 ms. Allocated memory is still 303.6 MB. Free memory was 244.1 MB in the beginning and 243.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 510.05 ms. Allocated memory is still 303.6 MB. Free memory was 243.1 MB in the beginning and 215.7 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70415.77 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 215.7 MB in the beginning and 319.8 MB in the end (delta: -104.1 MB). Peak memory consumption was 1.4 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 XnfDer was eliminating 9 quantified variables from 4 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 70.3s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 20 SDs, 0 SdLazy, 14 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, 0 ImplicationChecksByTransitivity, 0.5s 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, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 292 SizeOfPredicates, 1 NumberOfNonLiveVariables, 425 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_5_4_validity.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_03-55-30-005.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_5_4_validity.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_03-55-30-005.csv Completed graceful shutdown