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_agreement_faulty_process.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 02:52:10,787 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 02:52:10,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 02:52:10,799 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 02:52:10,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 02:52:10,801 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 02:52:10,802 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 02:52:10,804 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 02:52:10,806 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 02:52:10,807 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 02:52:10,807 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 02:52:10,809 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 02:52:10,810 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 02:52:10,811 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 02:52:10,812 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 02:52:10,813 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 02:52:10,815 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 02:52:10,816 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 02:52:10,818 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 02:52:10,819 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 02:52:10,820 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 02:52:10,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 02:52:10,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 02:52:10,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 02:52:10,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 02:52:10,825 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 02:52:10,826 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 02:52:10,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 02:52:10,827 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 02:52:10,827 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 02:52:10,828 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 02:52:10,829 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 02:52:10,829 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 02:52:10,830 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 02:52:10,830 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 02:52:10,831 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 02:52:10,844 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 02:52:10,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 02:52:10,845 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 02:52:10,845 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 02:52:10,846 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 02:52:10,846 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 02:52:10,847 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 02:52:10,847 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 02:52:10,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 02:52:10,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 02:52:10,848 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 02:52:10,848 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 02:52:10,848 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 02:52:10,848 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 02:52:10,848 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 02:52:10,848 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 02:52:10,849 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 02:52:10,850 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 02:52:10,850 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 02:52:10,897 INFO ]: Repository-Root is: /tmp [2018-06-22 02:52:10,912 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 02:52:10,918 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 02:52:10,920 INFO ]: Initializing SmtParser... [2018-06-22 02:52:10,920 INFO ]: SmtParser initialized [2018-06-22 02:52:10,920 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_agreement_faulty_process.smt2 [2018-06-22 02:52:10,922 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 02:52:11,016 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_agreement_faulty_process.smt2 unknown [2018-06-22 02:52:11,369 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_agreement_faulty_process.smt2 [2018-06-22 02:52:11,374 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 02:52:11,379 INFO ]: Walking toolchain with 4 elements. [2018-06-22 02:52:11,380 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 02:52:11,380 INFO ]: Initializing ChcToBoogie... [2018-06-22 02:52:11,380 INFO ]: ChcToBoogie initialized [2018-06-22 02:52:11,383 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:52:11" (1/1) ... [2018-06-22 02:52:11,436 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11 Unit [2018-06-22 02:52:11,436 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 02:52:11,436 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 02:52:11,436 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 02:52:11,436 INFO ]: Boogie Preprocessor initialized [2018-06-22 02:52:11,458 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11" (1/1) ... [2018-06-22 02:52:11,458 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11" (1/1) ... [2018-06-22 02:52:11,473 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11" (1/1) ... [2018-06-22 02:52:11,473 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11" (1/1) ... [2018-06-22 02:52:11,501 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11" (1/1) ... [2018-06-22 02:52:11,503 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11" (1/1) ... [2018-06-22 02:52:11,505 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11" (1/1) ... [2018-06-22 02:52:11,513 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 02:52:11,514 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 02:52:11,514 INFO ]: Initializing RCFGBuilder... [2018-06-22 02:52:11,514 INFO ]: RCFGBuilder initialized [2018-06-22 02:52:11,515 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11" (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 02:52:11,542 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 02:52:11,543 INFO ]: Found specification of procedure gotoProc [2018-06-22 02:52:11,543 INFO ]: Found implementation of procedure gotoProc [2018-06-22 02:52:11,543 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 02:52:11,543 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 02:52:11,543 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 02:52:11,995 INFO ]: Using library mode [2018-06-22 02:52:11,995 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:52:11 BoogieIcfgContainer [2018-06-22 02:52:11,995 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 02:52:11,997 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 02:52:11,997 INFO ]: Initializing TraceAbstraction... [2018-06-22 02:52:12,005 INFO ]: TraceAbstraction initialized [2018-06-22 02:52:12,005 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:52:11" (1/3) ... [2018-06-22 02:52:12,007 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6bf983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 02:52:12, skipping insertion in model container [2018-06-22 02:52:12,007 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:52:11" (2/3) ... [2018-06-22 02:52:12,007 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6bf983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:52:12, skipping insertion in model container [2018-06-22 02:52:12,007 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:52:11" (3/3) ... [2018-06-22 02:52:12,009 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 02:52:12,019 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 02:52:12,029 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 02:52:12,096 INFO ]: Using default assertion order modulation [2018-06-22 02:52:12,097 INFO ]: Interprodecural is true [2018-06-22 02:52:12,097 INFO ]: Hoare is false [2018-06-22 02:52:12,097 INFO ]: Compute interpolants for FPandBP [2018-06-22 02:52:12,097 INFO ]: Backedges is TWOTRACK [2018-06-22 02:52:12,097 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 02:52:12,097 INFO ]: Difference is false [2018-06-22 02:52:12,097 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 02:52:12,097 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 02:52:12,115 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 02:52:12,127 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 02:52:12,127 INFO ]: Found error trace [2018-06-22 02:52:12,128 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 02:52:12,128 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:52:12,134 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 02:52:12,136 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:52:12,136 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:52:12,176 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:52:12,176 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:52:12,176 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:52:12,303 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:52:12,426 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:52:12,428 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 02:52:12,428 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 02:52:12,429 INFO ]: Interpolant automaton has 3 states [2018-06-22 02:52:12,440 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 02:52:12,441 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 02:52:12,443 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 02:52:12,530 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 02:52:12,530 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 02:52:12,531 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 02:52:12,532 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 02:52:12,532 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 02:52:12,544 INFO ]: With dead ends: 9 [2018-06-22 02:52:12,544 INFO ]: Without dead ends: 9 [2018-06-22 02:52:12,547 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 02:52:12,562 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 02:52:12,585 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 02:52:12,587 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 02:52:12,588 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 02:52:12,589 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 02:52:12,589 INFO ]: Finished accepts. word is rejected. [2018-06-22 02:52:12,589 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 02:52:12,589 INFO ]: Interpolant automaton has 3 states. [2018-06-22 02:52:12,589 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 02:52:12,590 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 02:52:12,590 INFO ]: Found error trace [2018-06-22 02:52:12,590 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 02:52:12,590 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:52:12,590 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 02:52:12,590 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:52:12,590 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:52:12,591 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:52:12,591 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:52:12,591 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:52:12,695 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:52:12,865 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:52:12,865 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 02:52:12,865 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 02:52:12,883 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:52:13,041 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:52:13,056 INFO ]: Computing forward predicates... [2018-06-22 02:52:13,932 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:52:13,966 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 02:52:13,967 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 02:52:13,967 INFO ]: Interpolant automaton has 6 states [2018-06-22 02:52:13,967 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 02:52:13,967 INFO ]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 02:52:13,968 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 02:52:14,105 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 02:52:14,105 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 02:52:14,106 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 02:52:14,107 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 02:52:14,107 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 02:52:14,107 INFO ]: With dead ends: 11 [2018-06-22 02:52:14,107 INFO ]: Without dead ends: 11 [2018-06-22 02:52:14,108 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 02:52:14,108 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 02:52:14,109 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 02:52:14,110 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 02:52:14,110 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 02:52:14,110 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 02:52:14,110 INFO ]: Finished accepts. word is rejected. [2018-06-22 02:52:14,110 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 02:52:14,110 INFO ]: Interpolant automaton has 6 states. [2018-06-22 02:52:14,110 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 02:52:14,110 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 02:52:14,110 INFO ]: Found error trace [2018-06-22 02:52:14,111 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 02:52:14,112 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:52:14,112 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-22 02:52:14,112 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:52:14,112 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:52:14,113 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:52:14,113 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:52:14,113 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:52:14,288 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:52:15,569 WARN ]: Spent 949.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2018-06-22 02:52:16,934 WARN ]: Spent 1.33 s on a formula simplification. DAG size of input: 188 DAG size of output: 113 [2018-06-22 02:52:17,114 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:52:17,114 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 02:52:17,114 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 02:52:17,120 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 02:52:17,272 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 02:52:17,272 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:52:17,286 INFO ]: Computing forward predicates... [2018-06-22 02:52:32,884 WARN ]: Simplifying disjunction of 533520 conjuctions. This might take some time... Received shutdown request... [2018-06-22 02:53:16,103 INFO ]: Timeout while computing interpolants [2018-06-22 02:53:16,304 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 02:53:16,304 WARN ]: Verification canceled [2018-06-22 02:53:16,309 WARN ]: Timeout [2018-06-22 02:53:16,309 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:53:16 BoogieIcfgContainer [2018-06-22 02:53:16,309 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 02:53:16,310 INFO ]: Toolchain (without parser) took 64935.68 ms. Allocated memory was 308.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 254.7 MB in the beginning and 645.8 MB in the end (delta: -391.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 02:53:16,311 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 308.3 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 02:53:16,311 INFO ]: ChcToBoogie took 56.28 ms. Allocated memory is still 308.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:53:16,311 INFO ]: Boogie Preprocessor took 76.60 ms. Allocated memory is still 308.3 MB. Free memory was 251.7 MB in the beginning and 249.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:53:16,312 INFO ]: RCFGBuilder took 481.95 ms. Allocated memory is still 308.3 MB. Free memory was 249.7 MB in the beginning and 227.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:53:16,312 INFO ]: TraceAbstraction took 64311.77 ms. Allocated memory was 308.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 226.7 MB in the beginning and 645.8 MB in the end (delta: -419.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 02:53:16,316 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 308.3 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 56.28 ms. Allocated memory is still 308.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 76.60 ms. Allocated memory is still 308.3 MB. Free memory was 251.7 MB in the beginning and 249.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 481.95 ms. Allocated memory is still 308.3 MB. Free memory was 249.7 MB in the beginning and 227.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 64311.77 ms. Allocated memory was 308.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 226.7 MB in the beginning and 645.8 MB in the end (delta: -419.1 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 533520 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 64.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 19 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 1 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_agreement_faulty_process.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_02-53-16-340.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_agreement_faulty_process.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_02-53-16-340.csv Completed graceful shutdown