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_validity_faulty_process.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 13:44:51,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 13:44:51,518 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 13:44:51,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 13:44:51,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 13:44:51,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 13:44:51,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 13:44:51,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 13:44:51,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 13:44:51,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 13:44:51,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 13:44:51,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 13:44:51,544 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 13:44:51,545 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 13:44:51,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 13:44:51,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 13:44:51,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 13:44:51,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 13:44:51,554 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 13:44:51,555 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 13:44:51,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 13:44:51,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 13:44:51,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 13:44:51,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 13:44:51,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 13:44:51,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 13:44:51,571 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 13:44:51,572 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 13:44:51,572 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 13:44:51,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 13:44:51,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 13:44:51,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 13:44:51,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 13:44:51,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 13:44:51,575 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 13:44:51,582 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 13:44:51,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 13:44:51,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 13:44:51,605 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 13:44:51,605 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 13:44:51,606 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 13:44:51,606 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 13:44:51,606 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 13:44:51,606 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 13:44:51,606 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 13:44:51,611 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 13:44:51,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 13:44:51,611 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 13:44:51,611 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 13:44:51,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 13:44:51,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 13:44:51,612 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 13:44:51,612 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 13:44:51,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 13:44:51,613 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 13:44:51,614 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 13:44:51,614 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 13:44:51,656 INFO ]: Repository-Root is: /tmp [2018-06-22 13:44:51,672 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 13:44:51,676 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 13:44:51,677 INFO ]: Initializing SmtParser... [2018-06-22 13:44:51,678 INFO ]: SmtParser initialized [2018-06-22 13:44:51,678 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_validity_faulty_process.smt2 [2018-06-22 13:44:51,680 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 13:44:51,769 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_validity_faulty_process.smt2 unknown [2018-06-22 13:44:52,094 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_validity_faulty_process.smt2 [2018-06-22 13:44:52,098 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 13:44:52,104 INFO ]: Walking toolchain with 4 elements. [2018-06-22 13:44:52,105 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 13:44:52,105 INFO ]: Initializing ChcToBoogie... [2018-06-22 13:44:52,105 INFO ]: ChcToBoogie initialized [2018-06-22 13:44:52,108 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:44:52" (1/1) ... [2018-06-22 13:44:52,159 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52 Unit [2018-06-22 13:44:52,159 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 13:44:52,160 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 13:44:52,160 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 13:44:52,160 INFO ]: Boogie Preprocessor initialized [2018-06-22 13:44:52,181 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52" (1/1) ... [2018-06-22 13:44:52,182 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52" (1/1) ... [2018-06-22 13:44:52,193 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52" (1/1) ... [2018-06-22 13:44:52,193 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52" (1/1) ... [2018-06-22 13:44:52,210 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52" (1/1) ... [2018-06-22 13:44:52,212 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52" (1/1) ... [2018-06-22 13:44:52,213 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52" (1/1) ... [2018-06-22 13:44:52,225 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 13:44:52,226 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 13:44:52,226 INFO ]: Initializing RCFGBuilder... [2018-06-22 13:44:52,226 INFO ]: RCFGBuilder initialized [2018-06-22 13:44:52,227 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52" (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 13:44:52,254 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 13:44:52,254 INFO ]: Found specification of procedure False [2018-06-22 13:44:52,254 INFO ]: Found implementation of procedure False [2018-06-22 13:44:52,254 INFO ]: Specification and implementation of procedure invariant given in one single declaration [2018-06-22 13:44:52,254 INFO ]: Found specification of procedure invariant [2018-06-22 13:44:52,254 INFO ]: Found implementation of procedure invariant [2018-06-22 13:44:52,254 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 13:44:52,254 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 13:44:52,254 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 13:44:52,671 INFO ]: Using library mode [2018-06-22 13:44:52,672 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:44:52 BoogieIcfgContainer [2018-06-22 13:44:52,672 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 13:44:52,673 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 13:44:52,673 INFO ]: Initializing TraceAbstraction... [2018-06-22 13:44:52,675 INFO ]: TraceAbstraction initialized [2018-06-22 13:44:52,675 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:44:52" (1/3) ... [2018-06-22 13:44:52,676 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658e3c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:44:52, skipping insertion in model container [2018-06-22 13:44:52,676 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:44:52" (2/3) ... [2018-06-22 13:44:52,676 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658e3c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:44:52, skipping insertion in model container [2018-06-22 13:44:52,677 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:44:52" (3/3) ... [2018-06-22 13:44:52,678 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 13:44:52,688 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 13:44:52,701 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 13:44:52,740 INFO ]: Using default assertion order modulation [2018-06-22 13:44:52,741 INFO ]: Interprodecural is true [2018-06-22 13:44:52,741 INFO ]: Hoare is false [2018-06-22 13:44:52,741 INFO ]: Compute interpolants for FPandBP [2018-06-22 13:44:52,741 INFO ]: Backedges is TWOTRACK [2018-06-22 13:44:52,741 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 13:44:52,741 INFO ]: Difference is false [2018-06-22 13:44:52,741 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 13:44:52,741 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 13:44:52,754 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 13:44:52,770 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 13:44:52,771 INFO ]: Found error trace [2018-06-22 13:44:52,771 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:44:52,772 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:44:52,779 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 13:44:52,781 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:44:52,782 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:44:52,831 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:44:52,831 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:44:52,831 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:44:52,919 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:44:53,061 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 13:44:53,065 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 13:44:53,065 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 13:44:53,067 INFO ]: Interpolant automaton has 4 states [2018-06-22 13:44:53,079 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 13:44:53,079 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 13:44:53,081 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 13:44:53,210 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:44:53,210 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 13:44:53,212 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 13:44:53,214 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 13:44:53,214 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:44:53,229 INFO ]: With dead ends: 13 [2018-06-22 13:44:53,229 INFO ]: Without dead ends: 13 [2018-06-22 13:44:53,230 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 13:44:53,243 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 13:44:53,263 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 13:44:53,264 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 13:44:53,265 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 13:44:53,266 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 13:44:53,266 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:44:53,266 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 13:44:53,266 INFO ]: Interpolant automaton has 4 states. [2018-06-22 13:44:53,266 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 13:44:53,267 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 13:44:53,267 INFO ]: Found error trace [2018-06-22 13:44:53,267 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:44:53,267 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:44:53,267 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 13:44:53,267 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:44:53,267 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:44:53,268 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:44:53,268 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:44:53,268 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:44:53,371 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:44:53,815 WARN ]: Spent 201.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 6 [2018-06-22 13:44:54,106 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:44:54,106 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:44:54,106 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 13:44:54,114 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:44:54,251 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:44:54,262 INFO ]: Computing forward predicates... [2018-06-22 13:44:55,148 WARN ]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-06-22 13:44:55,477 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:44:55,513 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 13:44:55,513 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 13:44:55,514 INFO ]: Interpolant automaton has 9 states [2018-06-22 13:44:55,514 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 13:44:55,514 INFO ]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-06-22 13:44:55,514 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 9 states. [2018-06-22 13:44:55,967 WARN ]: Spent 187.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 7 [2018-06-22 13:44:56,397 WARN ]: Spent 358.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 12 [2018-06-22 13:44:56,431 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:44:56,431 INFO ]: Finished difference Result 17 states and 18 transitions. [2018-06-22 13:44:56,432 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 13:44:56,432 INFO ]: Start accepts. Automaton has 9 states. Word has length 13 [2018-06-22 13:44:56,432 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:44:56,433 INFO ]: With dead ends: 17 [2018-06-22 13:44:56,433 INFO ]: Without dead ends: 17 [2018-06-22 13:44:56,434 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-06-22 13:44:56,434 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 13:44:56,438 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 13:44:56,438 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 13:44:56,439 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-06-22 13:44:56,439 INFO ]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2018-06-22 13:44:56,439 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:44:56,439 INFO ]: Abstraction has 17 states and 18 transitions. [2018-06-22 13:44:56,439 INFO ]: Interpolant automaton has 9 states. [2018-06-22 13:44:56,439 INFO ]: Start isEmpty. Operand 17 states and 18 transitions. [2018-06-22 13:44:56,440 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 13:44:56,440 INFO ]: Found error trace [2018-06-22 13:44:56,440 INFO ]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:44:56,440 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:44:56,440 INFO ]: Analyzing trace with hash -2056434034, now seen corresponding path program 2 times [2018-06-22 13:44:56,440 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:44:56,440 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:44:56,441 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:44:56,441 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:44:56,441 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:44:56,640 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:44:57,854 WARN ]: Spent 668.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2018-06-22 13:44:59,078 WARN ]: Spent 1.18 s on a formula simplification. DAG size of input: 159 DAG size of output: 121 [2018-06-22 13:45:00,900 WARN ]: Spent 1.78 s on a formula simplification. DAG size of input: 261 DAG size of output: 194 [2018-06-22 13:45:01,932 WARN ]: Spent 996.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 161 [2018-06-22 13:45:02,261 WARN ]: Spent 302.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 54 [2018-06-22 13:45:02,999 WARN ]: Spent 634.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 109 [2018-06-22 13:45:03,827 WARN ]: Spent 792.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2018-06-22 13:45:04,299 WARN ]: Spent 295.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2018-06-22 13:45:04,319 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 13:45:04,319 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:45:04,319 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 13:45:04,342 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 13:45:04,450 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 13:45:04,450 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:45:04,465 INFO ]: Computing forward predicates... [2018-06-22 13:45:25,501 WARN ]: expecting exponential blowup for input size 8 Received shutdown request... [2018-06-22 13:45:48,006 INFO ]: Timeout while computing interpolants [2018-06-22 13:45:48,207 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 13:45:48,207 WARN ]: Verification canceled [2018-06-22 13:45:48,210 WARN ]: Timeout [2018-06-22 13:45:48,211 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:45:48 BoogieIcfgContainer [2018-06-22 13:45:48,211 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 13:45:48,214 INFO ]: Toolchain (without parser) took 56112.81 ms. Allocated memory was 305.7 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 250.1 MB in the beginning and 1.2 GB in the end (delta: -991.7 MB). Peak memory consumption was 2.7 GB. Max. memory is 3.6 GB. [2018-06-22 13:45:48,215 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 13:45:48,216 INFO ]: ChcToBoogie took 54.72 ms. Allocated memory is still 305.7 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:45:48,216 INFO ]: Boogie Preprocessor took 65.60 ms. Allocated memory is still 305.7 MB. Free memory was 248.1 MB in the beginning and 246.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:45:48,216 INFO ]: RCFGBuilder took 445.60 ms. Allocated memory is still 305.7 MB. Free memory was 246.1 MB in the beginning and 228.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:45:48,217 INFO ]: TraceAbstraction took 55537.89 ms. Allocated memory was 305.7 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 228.1 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 3.6 GB. [2018-06-22 13:45:48,219 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 305.7 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.72 ms. Allocated memory is still 305.7 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.60 ms. Allocated memory is still 305.7 MB. Free memory was 248.1 MB in the beginning and 246.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 445.60 ms. Allocated memory is still 305.7 MB. Free memory was 246.1 MB in the beginning and 228.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 55537.89 ms. Allocated memory was 305.7 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 228.1 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.7 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 8 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 55.4s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 6 SDslu, 38 SDs, 0 SdLazy, 26 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s 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, 2.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 1048 SizeOfPredicates, 92 NumberOfNonLiveVariables, 270 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_validity_faulty_process.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_13-45-48-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_validity_faulty_process.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_13-45-48-231.csv Completed graceful shutdown