java -Xss4m -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 0.1.23-14921ce [2018-06-25 10:48:09,494 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 10:48:09,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 10:48:09,512 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 10:48:09,512 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 10:48:09,513 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 10:48:09,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 10:48:09,527 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 10:48:09,529 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 10:48:09,530 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 10:48:09,530 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 10:48:09,531 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 10:48:09,531 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 10:48:09,536 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 10:48:09,537 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 10:48:09,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 10:48:09,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 10:48:09,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 10:48:09,546 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 10:48:09,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 10:48:09,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 10:48:09,551 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 10:48:09,551 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 10:48:09,551 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 10:48:09,552 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 10:48:09,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 10:48:09,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 10:48:09,554 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 10:48:09,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 10:48:09,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 10:48:09,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 10:48:09,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 10:48:09,557 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 10:48:09,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 10:48:09,558 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 10:48:09,558 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 10:48:09,573 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 10:48:09,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 10:48:09,573 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 10:48:09,574 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 10:48:09,574 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 10:48:09,575 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 10:48:09,575 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 10:48:09,575 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 10:48:09,575 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 10:48:09,576 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 10:48:09,576 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 10:48:09,576 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 10:48:09,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 10:48:09,576 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 10:48:09,577 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 10:48:09,577 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 10:48:09,577 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 10:48:09,577 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 10:48:09,577 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 10:48:09,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 10:48:09,578 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 10:48:09,579 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 10:48:09,579 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 10:48:09,620 INFO ]: Repository-Root is: /tmp [2018-06-25 10:48:09,640 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 10:48:09,646 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 10:48:09,648 INFO ]: Initializing SmtParser... [2018-06-25 10:48:09,648 INFO ]: SmtParser initialized [2018-06-25 10:48:09,649 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 [2018-06-25 10:48:09,650 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 [2018-06-25 10:48:09,741 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 unknown [2018-06-25 10:48:10,035 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_3_agreement.smt2 [2018-06-25 10:48:10,039 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 10:48:10,050 INFO ]: Walking toolchain with 4 elements. [2018-06-25 10:48:10,051 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 10:48:10,051 INFO ]: Initializing ChcToBoogie... [2018-06-25 10:48:10,051 INFO ]: ChcToBoogie initialized [2018-06-25 10:48:10,054 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 10:48:10" (1/1) ... [2018-06-25 10:48:10,107 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10 Unit [2018-06-25 10:48:10,108 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 10:48:10,108 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 10:48:10,108 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 10:48:10,108 INFO ]: Boogie Preprocessor initialized [2018-06-25 10:48:10,128 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10" (1/1) ... [2018-06-25 10:48:10,128 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10" (1/1) ... [2018-06-25 10:48:10,137 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10" (1/1) ... [2018-06-25 10:48:10,137 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10" (1/1) ... [2018-06-25 10:48:10,152 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10" (1/1) ... [2018-06-25 10:48:10,154 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10" (1/1) ... [2018-06-25 10:48:10,155 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10" (1/1) ... [2018-06-25 10:48:10,167 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 10:48:10,168 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 10:48:10,168 INFO ]: Initializing RCFGBuilder... [2018-06-25 10:48:10,168 INFO ]: RCFGBuilder initialized [2018-06-25 10:48:10,169 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10" (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) [2018-06-25 10:48:10,180 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 10:48:10,181 INFO ]: Found specification of procedure gotoProc [2018-06-25 10:48:10,181 INFO ]: Found implementation of procedure gotoProc [2018-06-25 10:48:10,181 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 10:48:10,181 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 10:48:10,181 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 [2018-06-25 10:48:10,486 INFO ]: Using library mode [2018-06-25 10:48:10,487 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 10:48:10 BoogieIcfgContainer [2018-06-25 10:48:10,487 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 10:48:10,488 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 10:48:10,488 INFO ]: Initializing TraceAbstraction... [2018-06-25 10:48:10,492 INFO ]: TraceAbstraction initialized [2018-06-25 10:48:10,492 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 10:48:10" (1/3) ... [2018-06-25 10:48:10,493 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf1c105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 10:48:10, skipping insertion in model container [2018-06-25 10:48:10,493 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:48:10" (2/3) ... [2018-06-25 10:48:10,494 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf1c105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 10:48:10, skipping insertion in model container [2018-06-25 10:48:10,494 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 10:48:10" (3/3) ... [2018-06-25 10:48:10,496 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 10:48:10,504 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 10:48:10,514 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 10:48:10,547 INFO ]: Using default assertion order modulation [2018-06-25 10:48:10,547 INFO ]: Interprodecural is true [2018-06-25 10:48:10,548 INFO ]: Hoare is false [2018-06-25 10:48:10,548 INFO ]: Compute interpolants for FPandBP [2018-06-25 10:48:10,548 INFO ]: Backedges is TWOTRACK [2018-06-25 10:48:10,548 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 10:48:10,548 INFO ]: Difference is false [2018-06-25 10:48:10,548 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 10:48:10,548 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 10:48:10,561 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 10:48:10,578 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 10:48:10,578 INFO ]: Found error trace [2018-06-25 10:48:10,580 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 10:48:10,580 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 10:48:10,584 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-25 10:48:10,586 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 10:48:10,586 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 10:48:10,622 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:48:10,622 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 10:48:10,622 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:48:10,682 INFO ]: Conjunction of SSA is unsat [2018-06-25 10:48:10,794 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 10:48:10,796 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 10:48:10,796 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 10:48:10,798 INFO ]: Interpolant automaton has 3 states [2018-06-25 10:48:10,808 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 10:48:10,808 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 10:48:10,811 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 10:48:10,872 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 10:48:10,872 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 10:48:10,873 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 10:48:10,874 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 10:48:10,874 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 10:48:10,881 INFO ]: With dead ends: 9 [2018-06-25 10:48:10,881 INFO ]: Without dead ends: 9 [2018-06-25 10:48:10,882 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 [2018-06-25 10:48:10,894 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 10:48:10,920 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 10:48:10,921 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 10:48:10,922 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 10:48:10,925 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 10:48:10,925 INFO ]: Finished accepts. word is rejected. [2018-06-25 10:48:10,925 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 10:48:10,925 INFO ]: Interpolant automaton has 3 states. [2018-06-25 10:48:10,925 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 10:48:10,925 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 10:48:10,925 INFO ]: Found error trace [2018-06-25 10:48:10,925 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 10:48:10,926 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 10:48:10,926 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-25 10:48:10,926 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 10:48:10,926 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 10:48:10,927 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:48:10,927 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 10:48:10,927 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:48:10,999 INFO ]: Conjunction of SSA is unsat [2018-06-25 10:48:11,201 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 10:48:11,201 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 10:48:11,201 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) [2018-06-25 10:48:11,220 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 10:48:11,326 INFO ]: Conjunction of SSA is unsat [2018-06-25 10:48:11,339 INFO ]: Computing forward predicates... [2018-06-25 10:48:11,940 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 10:48:11,974 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 10:48:11,975 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-25 10:48:11,975 INFO ]: Interpolant automaton has 6 states [2018-06-25 10:48:11,975 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-25 10:48:11,975 INFO ]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-06-25 10:48:11,975 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-25 10:48:12,156 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 10:48:12,157 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-25 10:48:12,157 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-25 10:48:12,158 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-25 10:48:12,158 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 10:48:12,158 INFO ]: With dead ends: 11 [2018-06-25 10:48:12,158 INFO ]: Without dead ends: 11 [2018-06-25 10:48:12,159 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-06-25 10:48:12,159 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-25 10:48:12,160 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-25 10:48:12,160 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-25 10:48:12,160 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-25 10:48:12,160 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-25 10:48:12,160 INFO ]: Finished accepts. word is rejected. [2018-06-25 10:48:12,160 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-25 10:48:12,160 INFO ]: Interpolant automaton has 6 states. [2018-06-25 10:48:12,160 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-25 10:48:12,161 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-25 10:48:12,161 INFO ]: Found error trace [2018-06-25 10:48:12,161 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 10:48:12,161 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 10:48:12,161 INFO ]: Analyzing trace with hash 145098516, now seen corresponding path program 2 times [2018-06-25 10:48:12,161 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 10:48:12,161 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 10:48:12,164 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:48:12,164 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 10:48:12,164 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:48:12,395 INFO ]: Conjunction of SSA is unsat [2018-06-25 10:48:14,663 WARN ]: Spent 1.84 s on a formula simplification. DAG size of input: 179 DAG size of output: 79 [2018-06-25 10:48:14,956 WARN ]: Spent 238.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 67 [2018-06-25 10:48:15,065 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 10:48:15,065 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 10:48:15,065 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 [2018-06-25 10:48:15,071 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-25 10:48:15,180 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-25 10:48:15,180 INFO ]: Conjunction of SSA is unsat [2018-06-25 10:48:15,189 INFO ]: Computing forward predicates... [2018-06-25 10:48:15,496 WARN ]: Spent 161.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-06-25 10:48:43,367 WARN ]: Spent 22.83 s on a formula simplification. DAG size of input: 1127 DAG size of output: 101 [2018-06-25 10:48:49,870 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:50,090 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:50,316 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:50,519 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:50,753 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:48:50,782 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:50,886 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:51,082 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:48:51,113 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:51,730 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:51,862 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:52,048 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:52,200 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:52,826 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:52,922 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:53,041 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:53,170 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:53,289 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:53,387 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:53,493 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:53,599 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:53,737 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:53,855 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:53,999 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:54,167 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:54,450 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:54,582 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:54,696 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:54,799 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:54,894 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:55,051 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:55,154 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:55,296 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:55,439 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:55,550 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:55,707 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:55,837 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:56,498 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:56,615 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:57,252 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:57,379 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:57,482 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:57,583 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:57,708 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:57,833 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:57,953 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:58,060 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:58,184 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:58,831 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:48:59,008 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:48:59,035 WARN ]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-06-25 10:49:04,135 INFO ]: Simplified to disjunction of 7680 conjuctions. [2018-06-25 10:49:04,152 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:04,342 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:04,468 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:04,580 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:04,685 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:04,826 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:49:04,854 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:04,973 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:05,577 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:05,745 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:05,876 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:06,381 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:06,474 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:06,595 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:06,735 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:49:06,903 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:07,096 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:07,198 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:07,336 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:49:07,704 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:07,833 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:07,963 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:49:08,125 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:08,241 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:49:08,265 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:49:08,304 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 10:49:08,327 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:08,429 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:08,526 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 10:49:08,690 WARN ]: expecting exponential blowup for input size 10 [2018-06-25 10:49:08,902 WARN ]: Simplifying disjunction of 65536 conjuctions. This might take some time... Received shutdown request... [2018-06-25 10:49:13,119 INFO ]: Timeout while computing interpolants [2018-06-25 10:49:13,320 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 10:49:13,320 WARN ]: Verification canceled [2018-06-25 10:49:13,325 WARN ]: Timeout [2018-06-25 10:49:13,325 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 10:49:13 BoogieIcfgContainer [2018-06-25 10:49:13,325 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 10:49:13,326 INFO ]: Toolchain (without parser) took 63286.17 ms. Allocated memory was 297.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 248.3 MB in the beginning and 763.2 MB in the end (delta: -514.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-25 10:49:13,326 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 297.8 MB. Free memory is still 263.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 10:49:13,327 INFO ]: ChcToBoogie took 57.02 ms. Allocated memory is still 297.8 MB. Free memory was 248.3 MB in the beginning and 246.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-25 10:49:13,327 INFO ]: Boogie Preprocessor took 59.00 ms. Allocated memory is still 297.8 MB. Free memory was 246.3 MB in the beginning and 244.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 10:49:13,328 INFO ]: RCFGBuilder took 319.32 ms. Allocated memory is still 297.8 MB. Free memory was 244.3 MB in the beginning and 228.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-25 10:49:13,338 INFO ]: TraceAbstraction took 62836.82 ms. Allocated memory was 297.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 228.2 MB in the beginning and 763.2 MB in the end (delta: -535.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-25 10:49:13,341 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 297.8 MB. Free memory is still 263.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 57.02 ms. Allocated memory is still 297.8 MB. Free memory was 248.3 MB in the beginning and 246.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 59.00 ms. Allocated memory is still 297.8 MB. Free memory was 246.3 MB in the beginning and 244.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 319.32 ms. Allocated memory is still 297.8 MB. Free memory was 244.3 MB in the beginning and 228.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 62836.82 ms. Allocated memory was 297.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 228.2 MB in the beginning and 763.2 MB in the end (delta: -535.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 11 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 65536 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 62.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 20 SDs, 0 SdLazy, 14 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s 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, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 292 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-0-2018-06-25_10-49-13-354.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-0-2018-06-25_10-49-13-354.csv Completed graceful shutdown