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_process.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 04:01:28,037 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 04:01:28,070 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 04:01:28,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 04:01:28,092 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 04:01:28,093 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 04:01:28,094 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 04:01:28,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 04:01:28,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 04:01:28,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 04:01:28,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 04:01:28,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 04:01:28,107 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 04:01:28,109 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 04:01:28,109 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 04:01:28,110 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 04:01:28,112 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 04:01:28,113 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 04:01:28,115 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 04:01:28,116 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 04:01:28,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 04:01:28,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 04:01:28,129 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 04:01:28,129 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 04:01:28,130 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 04:01:28,131 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 04:01:28,132 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 04:01:28,132 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 04:01:28,133 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 04:01:28,142 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 04:01:28,143 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 04:01:28,143 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 04:01:28,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 04:01:28,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 04:01:28,145 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 04:01:28,145 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 04:01:28,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 04:01:28,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 04:01:28,191 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 04:01:28,191 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 04:01:28,192 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 04:01:28,197 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 04:01:28,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 04:01:28,198 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 04:01:28,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 04:01:28,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 04:01:28,199 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 04:01:28,205 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 04:01:28,206 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 04:01:28,206 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 04:01:28,206 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 04:01:28,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 04:01:28,206 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 04:01:28,209 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 04:01:28,210 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 04:01:28,340 INFO ]: Repository-Root is: /tmp [2018-06-22 04:01:28,395 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 04:01:28,400 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 04:01:28,401 INFO ]: Initializing SmtParser... [2018-06-22 04:01:28,402 INFO ]: SmtParser initialized [2018-06-22 04:01:28,402 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_validity_faulty_process.smt2 [2018-06-22 04:01:28,546 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 04:01:29,861 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_validity_faulty_process.smt2 unknown [2018-06-22 04:01:31,612 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_validity_faulty_process.smt2 [2018-06-22 04:01:31,647 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 04:01:31,664 INFO ]: Walking toolchain with 4 elements. [2018-06-22 04:01:31,664 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 04:01:31,664 INFO ]: Initializing ChcToBoogie... [2018-06-22 04:01:31,665 INFO ]: ChcToBoogie initialized [2018-06-22 04:01:31,699 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:01:31" (1/1) ... [2018-06-22 04:01:31,845 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31 Unit [2018-06-22 04:01:31,845 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 04:01:31,845 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 04:01:31,845 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 04:01:31,845 INFO ]: Boogie Preprocessor initialized [2018-06-22 04:01:32,035 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31" (1/1) ... [2018-06-22 04:01:32,035 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31" (1/1) ... [2018-06-22 04:01:32,043 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31" (1/1) ... [2018-06-22 04:01:32,044 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31" (1/1) ... [2018-06-22 04:01:32,054 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31" (1/1) ... [2018-06-22 04:01:32,056 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31" (1/1) ... [2018-06-22 04:01:32,058 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31" (1/1) ... [2018-06-22 04:01:32,062 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 04:01:32,063 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 04:01:32,063 INFO ]: Initializing RCFGBuilder... [2018-06-22 04:01:32,063 INFO ]: RCFGBuilder initialized [2018-06-22 04:01:32,064 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31" (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 04:01:32,081 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 04:01:32,081 INFO ]: Found specification of procedure gotoProc [2018-06-22 04:01:32,081 INFO ]: Found implementation of procedure gotoProc [2018-06-22 04:01:32,081 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 04:01:32,081 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 04:01:32,081 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 04:01:32,955 INFO ]: Using library mode [2018-06-22 04:01:32,956 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:01:32 BoogieIcfgContainer [2018-06-22 04:01:32,956 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 04:01:32,961 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 04:01:32,961 INFO ]: Initializing TraceAbstraction... [2018-06-22 04:01:33,181 INFO ]: TraceAbstraction initialized [2018-06-22 04:01:33,182 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:01:31" (1/3) ... [2018-06-22 04:01:33,183 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f3283f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:01:33, skipping insertion in model container [2018-06-22 04:01:33,183 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:01:31" (2/3) ... [2018-06-22 04:01:33,183 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f3283f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:01:33, skipping insertion in model container [2018-06-22 04:01:33,183 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:01:32" (3/3) ... [2018-06-22 04:01:33,184 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 04:01:33,356 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 04:01:33,411 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 04:01:34,207 INFO ]: Using default assertion order modulation [2018-06-22 04:01:34,208 INFO ]: Interprodecural is true [2018-06-22 04:01:34,208 INFO ]: Hoare is false [2018-06-22 04:01:34,208 INFO ]: Compute interpolants for FPandBP [2018-06-22 04:01:34,208 INFO ]: Backedges is TWOTRACK [2018-06-22 04:01:34,208 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 04:01:34,208 INFO ]: Difference is false [2018-06-22 04:01:34,208 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 04:01:34,208 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 04:01:34,430 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 04:01:34,569 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 04:01:34,570 INFO ]: Found error trace [2018-06-22 04:01:34,586 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 04:01:34,586 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 04:01:34,625 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 04:01:34,631 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 04:01:34,632 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 04:01:34,719 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:34,719 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:01:34,719 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:35,001 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:01:35,142 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:01:35,145 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 04:01:35,146 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 04:01:35,149 INFO ]: Interpolant automaton has 3 states [2018-06-22 04:01:35,198 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 04:01:35,199 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 04:01:35,233 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 04:01:35,389 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 04:01:35,389 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 04:01:35,394 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 04:01:35,398 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 04:01:35,398 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 04:01:35,424 INFO ]: With dead ends: 9 [2018-06-22 04:01:35,424 INFO ]: Without dead ends: 9 [2018-06-22 04:01:35,426 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 04:01:35,490 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 04:01:35,539 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 04:01:35,541 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 04:01:35,541 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 04:01:35,543 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 04:01:35,543 INFO ]: Finished accepts. word is rejected. [2018-06-22 04:01:35,543 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 04:01:35,543 INFO ]: Interpolant automaton has 3 states. [2018-06-22 04:01:35,549 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 04:01:35,549 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 04:01:35,549 INFO ]: Found error trace [2018-06-22 04:01:35,549 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 04:01:35,549 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 04:01:35,550 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 04:01:35,550 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 04:01:35,550 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 04:01:35,551 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:35,551 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:01:35,551 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:35,710 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:01:36,117 WARN ]: Spent 122.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 4 [2018-06-22 04:01:36,118 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:01:36,118 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 04:01:36,118 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) [2018-06-22 04:01:36,131 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 04:01:37,009 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:01:37,021 INFO ]: Computing forward predicates... [2018-06-22 04:01:37,888 WARN ]: Spent 174.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-06-22 04:01:37,890 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:01:38,087 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 04:01:38,087 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 04:01:38,088 INFO ]: Interpolant automaton has 6 states [2018-06-22 04:01:38,088 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 04:01:38,088 INFO ]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 04:01:38,088 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 04:01:38,296 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 04:01:38,297 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 04:01:38,298 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 04:01:38,298 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 04:01:38,298 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 04:01:38,298 INFO ]: With dead ends: 11 [2018-06-22 04:01:38,298 INFO ]: Without dead ends: 11 [2018-06-22 04:01:38,299 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 04:01:38,299 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 04:01:38,300 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 04:01:38,300 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 04:01:38,301 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 04:01:38,301 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 04:01:38,301 INFO ]: Finished accepts. word is rejected. [2018-06-22 04:01:38,301 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 04:01:38,301 INFO ]: Interpolant automaton has 6 states. [2018-06-22 04:01:38,301 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 04:01:38,301 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 04:01:38,301 INFO ]: Found error trace [2018-06-22 04:01:38,301 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 04:01:38,301 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 04:01:38,302 INFO ]: Analyzing trace with hash 145098516, now seen corresponding path program 2 times [2018-06-22 04:01:38,302 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 04:01:38,302 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 04:01:38,303 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:38,303 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:01:38,303 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:01:38,450 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:01:39,810 WARN ]: Spent 1.04 s on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-06-22 04:01:41,787 WARN ]: Spent 1.95 s on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2018-06-22 04:01:42,122 WARN ]: Spent 314.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2018-06-22 04:01:42,178 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:01:42,178 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 04:01:42,178 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 04:01:42,184 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 04:01:42,342 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 04:01:42,342 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:01:42,357 INFO ]: Computing forward predicates... [2018-06-22 04:01:44,434 WARN ]: Spent 1.32 s on a formula simplification. DAG size of input: 165 DAG size of output: 46 [2018-06-22 04:01:54,263 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 04:01:55,341 WARN ]: Simplifying disjunction of 193536 conjuctions. This might take some time... Received shutdown request... [2018-06-22 04:02:45,613 INFO ]: Timeout while computing interpolants [2018-06-22 04:02:45,814 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 04:02:45,814 WARN ]: Verification canceled [2018-06-22 04:02:45,911 WARN ]: Timeout [2018-06-22 04:02:45,912 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:02:45 BoogieIcfgContainer [2018-06-22 04:02:45,912 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 04:02:45,958 INFO ]: Toolchain (without parser) took 74309.94 ms. Allocated memory was 309.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 253.9 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 04:02:45,959 INFO ]: SmtParser took 6.44 ms. Allocated memory is still 309.3 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 04:02:45,959 INFO ]: ChcToBoogie took 180.67 ms. Allocated memory is still 309.3 MB. Free memory was 253.9 MB in the beginning and 251.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 04:02:45,959 INFO ]: Boogie Preprocessor took 216.41 ms. Allocated memory is still 309.3 MB. Free memory was 251.9 MB in the beginning and 249.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 04:02:45,960 INFO ]: RCFGBuilder took 892.92 ms. Allocated memory is still 309.3 MB. Free memory was 249.9 MB in the beginning and 227.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 04:02:45,960 INFO ]: TraceAbstraction took 72950.67 ms. Allocated memory was 309.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 227.9 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 04:02:45,973 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 6.44 ms. Allocated memory is still 309.3 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 180.67 ms. Allocated memory is still 309.3 MB. Free memory was 253.9 MB in the beginning and 251.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 216.41 ms. Allocated memory is still 309.3 MB. Free memory was 251.9 MB in the beginning and 249.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 892.92 ms. Allocated memory is still 309.3 MB. Free memory was 249.9 MB in the beginning and 227.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72950.67 ms. Allocated memory was 309.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 227.9 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 193536 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 71.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.4s 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, 0.6s 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: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 285 SizeOfPredicates, 1 NumberOfNonLiveVariables, 351 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_validity_faulty_process.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_04-02-46-006.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_validity_faulty_process.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_04-02-46-006.csv Completed graceful shutdown