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_No_Goto.epf -i /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_validity.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 13:36:51,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 13:36:51,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 13:36:51,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 13:36:51,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 13:36:51,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 13:36:51,574 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 13:36:51,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 13:36:51,581 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 13:36:51,581 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 13:36:51,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 13:36:51,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 13:36:51,584 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 13:36:51,586 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 13:36:51,586 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 13:36:51,587 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 13:36:51,588 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 13:36:51,590 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 13:36:51,592 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 13:36:51,593 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 13:36:51,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 13:36:51,596 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 13:36:51,596 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 13:36:51,596 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 13:36:51,597 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 13:36:51,598 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 13:36:51,599 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 13:36:51,599 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 13:36:51,600 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 13:36:51,600 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 13:36:51,601 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 13:36:51,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 13:36:51,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 13:36:51,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 13:36:51,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 13:36:51,604 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 13:36:51,616 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 13:36:51,617 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 13:36:51,617 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 13:36:51,617 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 13:36:51,618 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 13:36:51,618 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 13:36:51,618 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 13:36:51,619 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 13:36:51,619 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 13:36:51,619 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 13:36:51,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 13:36:51,619 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 13:36:51,620 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 13:36:51,620 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 13:36:51,620 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 13:36:51,620 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 13:36:51,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 13:36:51,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 13:36:51,621 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 13:36:51,622 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 13:36:51,622 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 13:36:51,665 INFO ]: Repository-Root is: /tmp [2018-06-22 13:36:51,682 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 13:36:51,686 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 13:36:51,687 INFO ]: Initializing SmtParser... [2018-06-22 13:36:51,687 INFO ]: SmtParser initialized [2018-06-22 13:36:51,688 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_validity.smt2 [2018-06-22 13:36:51,689 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 13:36:51,780 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_validity.smt2 unknown [2018-06-22 13:36:52,196 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_validity.smt2 [2018-06-22 13:36:52,206 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 13:36:52,212 INFO ]: Walking toolchain with 4 elements. [2018-06-22 13:36:52,212 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 13:36:52,212 INFO ]: Initializing ChcToBoogie... [2018-06-22 13:36:52,212 INFO ]: ChcToBoogie initialized [2018-06-22 13:36:52,225 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:36:52" (1/1) ... [2018-06-22 13:36:52,308 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52 Unit [2018-06-22 13:36:52,308 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 13:36:52,309 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 13:36:52,309 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 13:36:52,309 INFO ]: Boogie Preprocessor initialized [2018-06-22 13:36:52,332 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52" (1/1) ... [2018-06-22 13:36:52,332 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52" (1/1) ... [2018-06-22 13:36:52,351 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52" (1/1) ... [2018-06-22 13:36:52,351 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52" (1/1) ... [2018-06-22 13:36:52,365 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52" (1/1) ... [2018-06-22 13:36:52,366 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52" (1/1) ... [2018-06-22 13:36:52,368 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52" (1/1) ... [2018-06-22 13:36:52,371 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 13:36:52,371 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 13:36:52,371 INFO ]: Initializing RCFGBuilder... [2018-06-22 13:36:52,371 INFO ]: RCFGBuilder initialized [2018-06-22 13:36:52,381 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52" (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 13:36:52,402 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 13:36:52,402 INFO ]: Found specification of procedure False [2018-06-22 13:36:52,402 INFO ]: Found implementation of procedure False [2018-06-22 13:36:52,402 INFO ]: Specification and implementation of procedure invariant given in one single declaration [2018-06-22 13:36:52,402 INFO ]: Found specification of procedure invariant [2018-06-22 13:36:52,402 INFO ]: Found implementation of procedure invariant [2018-06-22 13:36:52,402 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 13:36:52,402 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 13:36:52,402 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 13:36:52,758 INFO ]: Using library mode [2018-06-22 13:36:52,758 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:36:52 BoogieIcfgContainer [2018-06-22 13:36:52,759 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 13:36:52,760 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 13:36:52,760 INFO ]: Initializing TraceAbstraction... [2018-06-22 13:36:52,763 INFO ]: TraceAbstraction initialized [2018-06-22 13:36:52,763 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:36:52" (1/3) ... [2018-06-22 13:36:52,764 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731f2eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:36:52, skipping insertion in model container [2018-06-22 13:36:52,764 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:36:52" (2/3) ... [2018-06-22 13:36:52,764 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731f2eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:36:52, skipping insertion in model container [2018-06-22 13:36:52,764 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:36:52" (3/3) ... [2018-06-22 13:36:52,766 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 13:36:52,780 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 13:36:52,789 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 13:36:52,830 INFO ]: Using default assertion order modulation [2018-06-22 13:36:52,831 INFO ]: Interprodecural is true [2018-06-22 13:36:52,831 INFO ]: Hoare is false [2018-06-22 13:36:52,831 INFO ]: Compute interpolants for FPandBP [2018-06-22 13:36:52,831 INFO ]: Backedges is TWOTRACK [2018-06-22 13:36:52,831 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 13:36:52,831 INFO ]: Difference is false [2018-06-22 13:36:52,831 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 13:36:52,831 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 13:36:52,845 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 13:36:52,856 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 13:36:52,857 INFO ]: Found error trace [2018-06-22 13:36:52,858 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:36:52,859 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:36:52,862 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 13:36:52,863 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:36:52,864 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:36:52,894 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:52,894 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:36:52,894 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:52,962 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:36:53,156 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 13:36:53,158 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 13:36:53,158 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 13:36:53,160 INFO ]: Interpolant automaton has 4 states [2018-06-22 13:36:53,175 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 13:36:53,176 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 13:36:53,179 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 13:36:53,297 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:36:53,297 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 13:36:53,299 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 13:36:53,301 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 13:36:53,301 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:36:53,313 INFO ]: With dead ends: 13 [2018-06-22 13:36:53,313 INFO ]: Without dead ends: 13 [2018-06-22 13:36:53,315 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 13:36:53,327 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 13:36:53,346 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 13:36:53,348 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 13:36:53,348 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 13:36:53,349 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 13:36:53,350 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:36:53,350 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 13:36:53,350 INFO ]: Interpolant automaton has 4 states. [2018-06-22 13:36:53,350 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 13:36:53,351 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 13:36:53,351 INFO ]: Found error trace [2018-06-22 13:36:53,351 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:36:53,351 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:36:53,351 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 13:36:53,351 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:36:53,351 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:36:53,352 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:53,352 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:36:53,352 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:53,426 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:36:53,744 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:36:53,744 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:36:53,744 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 13:36:53,751 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:36:53,892 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:36:53,905 INFO ]: Computing forward predicates... [2018-06-22 13:36:54,795 WARN ]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-06-22 13:36:54,848 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:36:54,869 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 13:36:54,869 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 13:36:54,870 INFO ]: Interpolant automaton has 9 states [2018-06-22 13:36:54,870 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 13:36:54,870 INFO ]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-06-22 13:36:54,870 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 9 states. [2018-06-22 13:36:55,238 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:36:55,238 INFO ]: Finished difference Result 17 states and 18 transitions. [2018-06-22 13:36:55,240 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 13:36:55,240 INFO ]: Start accepts. Automaton has 9 states. Word has length 13 [2018-06-22 13:36:55,240 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:36:55,241 INFO ]: With dead ends: 17 [2018-06-22 13:36:55,241 INFO ]: Without dead ends: 17 [2018-06-22 13:36:55,242 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-06-22 13:36:55,242 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 13:36:55,244 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 13:36:55,244 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 13:36:55,244 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-06-22 13:36:55,244 INFO ]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2018-06-22 13:36:55,244 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:36:55,244 INFO ]: Abstraction has 17 states and 18 transitions. [2018-06-22 13:36:55,244 INFO ]: Interpolant automaton has 9 states. [2018-06-22 13:36:55,244 INFO ]: Start isEmpty. Operand 17 states and 18 transitions. [2018-06-22 13:36:55,245 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 13:36:55,245 INFO ]: Found error trace [2018-06-22 13:36:55,245 INFO ]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:36:55,245 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:36:55,245 INFO ]: Analyzing trace with hash -2056434034, now seen corresponding path program 2 times [2018-06-22 13:36:55,245 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:36:55,245 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:36:55,246 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:55,246 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:36:55,246 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:36:55,595 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:36:57,531 WARN ]: Spent 699.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 21 [2018-06-22 13:37:01,868 WARN ]: Spent 4.12 s on a formula simplification. DAG size of input: 897 DAG size of output: 113 [2018-06-22 13:37:06,391 WARN ]: Spent 4.39 s on a formula simplification. DAG size of input: 546 DAG size of output: 383 [2018-06-22 13:37:07,792 WARN ]: Spent 1.27 s on a formula simplification. DAG size of input: 368 DAG size of output: 167 [2018-06-22 13:37:07,955 WARN ]: Spent 127.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2018-06-22 13:37:08,823 WARN ]: Spent 811.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 115 [2018-06-22 13:37:10,118 WARN ]: Spent 1.24 s on a formula simplification. DAG size of input: 220 DAG size of output: 93 [2018-06-22 13:37:10,194 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 13:37:10,194 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:37:10,194 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 13:37:10,202 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 13:37:10,363 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 13:37:10,363 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:37:10,379 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 13:38:02,856 INFO ]: Timeout while computing interpolants [2018-06-22 13:38:03,057 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 13:38:03,057 WARN ]: Verification canceled [2018-06-22 13:38:03,061 WARN ]: Timeout [2018-06-22 13:38:03,061 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:38:03 BoogieIcfgContainer [2018-06-22 13:38:03,061 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 13:38:03,062 INFO ]: Toolchain (without parser) took 70855.30 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 255.6 MB in the beginning and 842.1 MB in the end (delta: -586.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 13:38:03,063 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 13:38:03,063 INFO ]: ChcToBoogie took 96.17 ms. Allocated memory is still 309.3 MB. Free memory was 255.6 MB in the beginning and 253.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:38:03,064 INFO ]: Boogie Preprocessor took 62.00 ms. Allocated memory is still 309.3 MB. Free memory was 253.6 MB in the beginning and 251.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:38:03,064 INFO ]: RCFGBuilder took 387.17 ms. Allocated memory is still 309.3 MB. Free memory was 251.6 MB in the beginning and 233.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:38:03,065 INFO ]: TraceAbstraction took 70301.02 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 233.6 MB in the beginning and 842.1 MB in the end (delta: -608.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 13:38:03,067 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 96.17 ms. Allocated memory is still 309.3 MB. Free memory was 255.6 MB in the beginning and 253.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 62.00 ms. Allocated memory is still 309.3 MB. Free memory was 253.6 MB in the beginning and 251.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 387.17 ms. Allocated memory is still 309.3 MB. Free memory was 251.6 MB in the beginning and 233.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70301.02 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 233.6 MB in the beginning and 842.1 MB in the end (delta: -608.4 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 22 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 8 quantified variables from 4 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.2s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 6 SDslu, 38 SDs, 0 SdLazy, 26 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 1048 SizeOfPredicates, 90 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_5_3_validity.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_13-38-03-083.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_5_3_validity.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_13-38-03-083.csv Completed graceful shutdown