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_3_3_agreement.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 03:07:51,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 03:07:51,155 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 03:07:51,171 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 03:07:51,171 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 03:07:51,172 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 03:07:51,176 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 03:07:51,178 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 03:07:51,180 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 03:07:51,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 03:07:51,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 03:07:51,183 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 03:07:51,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 03:07:51,185 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 03:07:51,189 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 03:07:51,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 03:07:51,192 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 03:07:51,196 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 03:07:51,197 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 03:07:51,198 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 03:07:51,199 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 03:07:51,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 03:07:51,202 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 03:07:51,202 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 03:07:51,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 03:07:51,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 03:07:51,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 03:07:51,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 03:07:51,207 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 03:07:51,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 03:07:51,207 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 03:07:51,208 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 03:07:51,208 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 03:07:51,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 03:07:51,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 03:07:51,210 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 03:07:51,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 03:07:51,224 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 03:07:51,225 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 03:07:51,225 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 03:07:51,226 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 03:07:51,226 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 03:07:51,226 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 03:07:51,227 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 03:07:51,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 03:07:51,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 03:07:51,227 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 03:07:51,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 03:07:51,228 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 03:07:51,228 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 03:07:51,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 03:07:51,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 03:07:51,228 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 03:07:51,230 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 03:07:51,230 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 03:07:51,301 INFO ]: Repository-Root is: /tmp [2018-06-22 03:07:51,320 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 03:07:51,327 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 03:07:51,328 INFO ]: Initializing SmtParser... [2018-06-22 03:07:51,329 INFO ]: SmtParser initialized [2018-06-22 03:07:51,329 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 [2018-06-22 03:07:51,331 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 03:07:51,438 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 unknown [2018-06-22 03:07:51,751 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 [2018-06-22 03:07:51,761 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 03:07:51,768 INFO ]: Walking toolchain with 4 elements. [2018-06-22 03:07:51,768 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 03:07:51,769 INFO ]: Initializing ChcToBoogie... [2018-06-22 03:07:51,769 INFO ]: ChcToBoogie initialized [2018-06-22 03:07:51,772 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:07:51" (1/1) ... [2018-06-22 03:07:51,854 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51 Unit [2018-06-22 03:07:51,854 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 03:07:51,855 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 03:07:51,855 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 03:07:51,855 INFO ]: Boogie Preprocessor initialized [2018-06-22 03:07:51,877 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51" (1/1) ... [2018-06-22 03:07:51,877 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51" (1/1) ... [2018-06-22 03:07:51,887 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51" (1/1) ... [2018-06-22 03:07:51,887 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51" (1/1) ... [2018-06-22 03:07:51,902 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51" (1/1) ... [2018-06-22 03:07:51,904 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51" (1/1) ... [2018-06-22 03:07:51,906 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51" (1/1) ... [2018-06-22 03:07:51,916 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 03:07:51,917 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 03:07:51,917 INFO ]: Initializing RCFGBuilder... [2018-06-22 03:07:51,917 INFO ]: RCFGBuilder initialized [2018-06-22 03:07:51,918 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 03:07:51,934 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 03:07:51,934 INFO ]: Found specification of procedure gotoProc [2018-06-22 03:07:51,934 INFO ]: Found implementation of procedure gotoProc [2018-06-22 03:07:51,934 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 03:07:51,934 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 03:07:51,934 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 03:07:52,323 INFO ]: Using library mode [2018-06-22 03:07:52,324 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:07:52 BoogieIcfgContainer [2018-06-22 03:07:52,324 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 03:07:52,326 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 03:07:52,326 INFO ]: Initializing TraceAbstraction... [2018-06-22 03:07:52,329 INFO ]: TraceAbstraction initialized [2018-06-22 03:07:52,330 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:07:51" (1/3) ... [2018-06-22 03:07:52,331 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ea3900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 03:07:52, skipping insertion in model container [2018-06-22 03:07:52,331 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:07:51" (2/3) ... [2018-06-22 03:07:52,331 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ea3900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:07:52, skipping insertion in model container [2018-06-22 03:07:52,331 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:07:52" (3/3) ... [2018-06-22 03:07:52,333 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 03:07:52,345 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 03:07:52,356 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 03:07:52,402 INFO ]: Using default assertion order modulation [2018-06-22 03:07:52,402 INFO ]: Interprodecural is true [2018-06-22 03:07:52,402 INFO ]: Hoare is false [2018-06-22 03:07:52,402 INFO ]: Compute interpolants for FPandBP [2018-06-22 03:07:52,402 INFO ]: Backedges is TWOTRACK [2018-06-22 03:07:52,402 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 03:07:52,402 INFO ]: Difference is false [2018-06-22 03:07:52,402 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 03:07:52,402 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 03:07:52,419 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 03:07:52,431 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 03:07:52,431 INFO ]: Found error trace [2018-06-22 03:07:52,432 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:07:52,432 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:07:52,439 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 03:07:52,440 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:07:52,441 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:07:52,485 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:07:52,485 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:07:52,485 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:07:52,581 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:07:52,688 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:07:52,690 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 03:07:52,690 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 03:07:52,691 INFO ]: Interpolant automaton has 3 states [2018-06-22 03:07:52,705 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 03:07:52,705 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 03:07:52,709 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 03:07:52,804 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:07:52,804 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 03:07:52,804 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 03:07:52,806 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 03:07:52,806 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:07:52,816 INFO ]: With dead ends: 9 [2018-06-22 03:07:52,816 INFO ]: Without dead ends: 9 [2018-06-22 03:07:52,818 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 03:07:52,833 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 03:07:52,848 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 03:07:52,850 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 03:07:52,850 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 03:07:52,852 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 03:07:52,852 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:07:52,852 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 03:07:52,852 INFO ]: Interpolant automaton has 3 states. [2018-06-22 03:07:52,852 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 03:07:52,852 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 03:07:52,852 INFO ]: Found error trace [2018-06-22 03:07:52,852 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:07:52,852 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:07:52,853 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 03:07:52,853 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:07:52,853 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:07:52,854 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:07:52,854 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:07:52,854 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:07:52,917 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:07:53,175 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:07:53,175 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:07:53,175 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 03:07:53,184 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:07:53,300 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:07:53,315 INFO ]: Computing forward predicates... [2018-06-22 03:07:53,996 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:07:54,089 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 03:07:54,089 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 03:07:54,090 INFO ]: Interpolant automaton has 6 states [2018-06-22 03:07:54,090 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 03:07:54,090 INFO ]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:07:54,090 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 03:07:54,271 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:07:54,271 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 03:07:54,272 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 03:07:54,272 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 03:07:54,272 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:07:54,273 INFO ]: With dead ends: 11 [2018-06-22 03:07:54,273 INFO ]: Without dead ends: 11 [2018-06-22 03:07:54,275 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:07:54,275 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 03:07:54,276 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 03:07:54,276 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 03:07:54,276 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 03:07:54,277 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 03:07:54,277 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:07:54,277 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 03:07:54,277 INFO ]: Interpolant automaton has 6 states. [2018-06-22 03:07:54,277 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 03:07:54,277 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 03:07:54,277 INFO ]: Found error trace [2018-06-22 03:07:54,277 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:07:54,277 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:07:54,277 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-22 03:07:54,277 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:07:54,277 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:07:54,279 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:07:54,279 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:07:54,279 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:07:54,626 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:07:55,121 WARN ]: Spent 101.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2018-06-22 03:07:56,573 WARN ]: Spent 1.38 s on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2018-06-22 03:07:57,728 WARN ]: Spent 1.07 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2018-06-22 03:07:58,009 WARN ]: Spent 241.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2018-06-22 03:07:58,011 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:07:58,011 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:07:58,012 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 03:07:58,018 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 03:07:58,146 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 03:07:58,146 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:07:58,156 INFO ]: Computing forward predicates... [2018-06-22 03:07:58,982 WARN ]: Spent 524.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2018-06-22 03:07:59,318 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:07:59,475 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:07:59,531 WARN ]: Simplifying disjunction of 7168 conjuctions. This might take some time... [2018-06-22 03:08:07,366 INFO ]: Simplified to disjunction of 7168 conjuctions. [2018-06-22 03:08:07,483 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:07,577 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:08:07,612 WARN ]: Simplifying disjunction of 7168 conjuctions. This might take some time... [2018-06-22 03:08:14,034 INFO ]: Simplified to disjunction of 7168 conjuctions. [2018-06-22 03:08:14,105 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:14,358 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 03:08:14,491 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:08:14,530 WARN ]: Simplifying disjunction of 7168 conjuctions. This might take some time... [2018-06-22 03:08:24,101 INFO ]: Simplified to disjunction of 7168 conjuctions. [2018-06-22 03:08:24,385 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 03:08:24,417 WARN ]: Simplifying disjunction of 7168 conjuctions. This might take some time... [2018-06-22 03:08:29,278 INFO ]: Simplified to disjunction of 7168 conjuctions. [2018-06-22 03:08:29,303 WARN ]: expecting exponential blowup for input size 6 Received shutdown request... [2018-06-22 03:09:02,442 WARN ]: Removed 1732 from assertion stack [2018-06-22 03:09:02,442 INFO ]: Timeout while computing interpolants [2018-06-22 03:09:02,644 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 03:09:02,644 WARN ]: Verification canceled [2018-06-22 03:09:02,648 WARN ]: Timeout [2018-06-22 03:09:02,648 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:09:02 BoogieIcfgContainer [2018-06-22 03:09:02,648 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 03:09:02,649 INFO ]: Toolchain (without parser) took 70887.53 ms. Allocated memory was 311.4 MB in the beginning and 1.1 GB in the end (delta: 806.4 MB). Free memory was 261.8 MB in the beginning and 595.9 MB in the end (delta: -334.1 MB). Peak memory consumption was 866.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:09:02,650 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 311.4 MB. Free memory is still 276.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 03:09:02,650 INFO ]: ChcToBoogie took 85.91 ms. Allocated memory is still 311.4 MB. Free memory was 261.8 MB in the beginning and 259.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-22 03:09:02,651 INFO ]: Boogie Preprocessor took 61.22 ms. Allocated memory is still 311.4 MB. Free memory was 259.8 MB in the beginning and 257.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:09:02,651 INFO ]: RCFGBuilder took 407.62 ms. Allocated memory is still 311.4 MB. Free memory was 257.7 MB in the beginning and 241.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:09:02,657 INFO ]: TraceAbstraction took 70322.37 ms. Allocated memory was 311.4 MB in the beginning and 1.1 GB in the end (delta: 806.4 MB). Free memory was 241.7 MB in the beginning and 595.9 MB in the end (delta: -354.2 MB). Peak memory consumption was 845.9 MB. Max. memory is 3.6 GB. [2018-06-22 03:09:02,660 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 311.4 MB. Free memory is still 276.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 85.91 ms. Allocated memory is still 311.4 MB. Free memory was 261.8 MB in the beginning and 259.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 61.22 ms. Allocated memory is still 311.4 MB. Free memory was 259.8 MB in the beginning and 257.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 407.62 ms. Allocated memory is still 311.4 MB. Free memory was 257.7 MB in the beginning and 241.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70322.37 ms. Allocated memory was 311.4 MB in the beginning and 1.1 GB in the end (delta: 806.4 MB). Free memory was 241.7 MB in the beginning and 595.9 MB in the end (delta: -354.2 MB). Peak memory consumption was 845.9 MB. 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 PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 2650. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 70.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.3s 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, 0.3s 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, 1.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 1 NumberOfNonLiveVariables, 224 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_3_3_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_03-09-02-676.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_3_3_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_03-09-02-676.csv Completed graceful shutdown