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/vmt-chc-benchmarks/lustre/MESI_4.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:51:25,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:51:25,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:51:25,544 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:51:25,544 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:51:25,545 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:51:25,547 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:51:25,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:51:25,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:51:25,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:51:25,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:51:25,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:51:25,558 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:51:25,559 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:51:25,560 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:51:25,561 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:51:25,565 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:51:25,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:51:25,570 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:51:25,571 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:51:25,572 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:51:25,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:51:25,575 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:51:25,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:51:25,576 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:51:25,577 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:51:25,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:51:25,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:51:25,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:51:25,580 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:51:25,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:51:25,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:51:25,581 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:51:25,582 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:51:25,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:51:25,583 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 18:51:25,596 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:51:25,596 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:51:25,597 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:51:25,597 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:51:25,598 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:51:25,598 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:51:25,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:51:25,599 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:51:25,599 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:51:25,599 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:51:25,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:51:25,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:51:25,600 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:51:25,600 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:51:25,600 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:51:25,600 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:51:25,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:51:25,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:51:25,601 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:51:25,603 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:51:25,603 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:51:25,663 INFO ]: Repository-Root is: /tmp [2018-06-22 18:51:25,678 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:51:25,686 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:51:25,688 INFO ]: Initializing SmtParser... [2018-06-22 18:51:25,688 INFO ]: SmtParser initialized [2018-06-22 18:51:25,689 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_4.smt2 [2018-06-22 18:51:25,690 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 18:51:25,784 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_4.smt2 unknown [2018-06-22 18:51:26,241 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_4.smt2 [2018-06-22 18:51:26,246 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:51:26,261 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:51:26,262 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:51:26,262 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:51:26,262 INFO ]: ChcToBoogie initialized [2018-06-22 18:51:26,265 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:51:26" (1/1) ... [2018-06-22 18:51:26,366 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26 Unit [2018-06-22 18:51:26,366 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:51:26,367 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:51:26,367 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:51:26,367 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:51:26,392 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26" (1/1) ... [2018-06-22 18:51:26,392 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26" (1/1) ... [2018-06-22 18:51:26,412 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26" (1/1) ... [2018-06-22 18:51:26,412 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26" (1/1) ... [2018-06-22 18:51:26,427 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26" (1/1) ... [2018-06-22 18:51:26,428 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26" (1/1) ... [2018-06-22 18:51:26,430 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26" (1/1) ... [2018-06-22 18:51:26,433 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:51:26,434 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:51:26,434 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:51:26,434 INFO ]: RCFGBuilder initialized [2018-06-22 18:51:26,435 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26" (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 18:51:26,461 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:51:26,462 INFO ]: Found specification of procedure False [2018-06-22 18:51:26,462 INFO ]: Found implementation of procedure False [2018-06-22 18:51:26,462 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:51:26,462 INFO ]: Found specification of procedure state [2018-06-22 18:51:26,462 INFO ]: Found implementation of procedure state [2018-06-22 18:51:26,462 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:51:26,462 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:51:26,462 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 18:51:26,778 INFO ]: Using library mode [2018-06-22 18:51:26,779 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:51:26 BoogieIcfgContainer [2018-06-22 18:51:26,779 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:51:26,783 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:51:26,783 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:51:26,788 INFO ]: TraceAbstraction initialized [2018-06-22 18:51:26,789 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:51:26" (1/3) ... [2018-06-22 18:51:26,790 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f1baba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:51:26, skipping insertion in model container [2018-06-22 18:51:26,790 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:51:26" (2/3) ... [2018-06-22 18:51:26,790 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f1baba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:51:26, skipping insertion in model container [2018-06-22 18:51:26,790 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:51:26" (3/3) ... [2018-06-22 18:51:26,793 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:51:26,803 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:51:26,813 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:51:26,866 INFO ]: Using default assertion order modulation [2018-06-22 18:51:26,867 INFO ]: Interprodecural is true [2018-06-22 18:51:26,867 INFO ]: Hoare is false [2018-06-22 18:51:26,867 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:51:26,867 INFO ]: Backedges is TWOTRACK [2018-06-22 18:51:26,867 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:51:26,867 INFO ]: Difference is false [2018-06-22 18:51:26,867 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:51:26,867 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:51:26,888 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:51:26,899 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:51:26,899 INFO ]: Found error trace [2018-06-22 18:51:26,904 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:51:26,904 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:51:26,909 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 18:51:26,912 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:51:26,913 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:51:26,952 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:51:26,952 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:51:26,952 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:51:27,054 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:51:27,253 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:51:27,254 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:51:27,255 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:51:27,257 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:51:27,269 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:51:27,270 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:51:27,272 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:51:27,420 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:51:27,420 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:51:27,421 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:51:27,422 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:51:27,423 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:51:27,437 INFO ]: With dead ends: 13 [2018-06-22 18:51:27,437 INFO ]: Without dead ends: 13 [2018-06-22 18:51:27,441 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 18:51:27,459 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:51:27,487 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:51:27,488 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:51:27,489 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:51:27,490 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:51:27,490 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:51:27,490 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:51:27,490 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:51:27,491 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:51:27,492 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:51:27,492 INFO ]: Found error trace [2018-06-22 18:51:27,492 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:51:27,492 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:51:27,492 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 18:51:27,492 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:51:27,492 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:51:27,493 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:51:27,493 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:51:27,493 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:51:27,594 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:51:28,720 WARN ]: Spent 830.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2018-06-22 18:51:28,849 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:51:28,850 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:51:28,850 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 18:51:28,858 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:51:28,974 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:51:28,987 INFO ]: Computing forward predicates... [2018-06-22 18:51:31,583 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 18:51:31,615 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 18:51:31,630 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 18:51:31,636 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:31,654 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:31,656 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:31,669 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 18:51:31,683 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:31,684 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:31,692 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:31,693 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 18:51:31,768 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 18:51:31,828 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:31,830 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:31,843 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 18:51:31,904 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:31,906 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 18:51:31,919 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:32,034 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:32,035 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:32,043 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:32,054 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:32,056 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:32,061 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:32,101 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 18:51:32,128 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:32,129 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:32,161 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:32,162 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 18:51:32,385 WARN ]: Simplifying disjunction of 6426 conjuctions. This might take some time... [2018-06-22 18:51:36,083 INFO ]: Simplified to disjunction of 6426 conjuctions. [2018-06-22 18:51:36,141 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:36,149 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:36,150 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:36,151 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 18:51:36,167 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:36,206 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:36,208 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:36,209 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:36,215 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 18:51:36,329 WARN ]: Simplifying disjunction of 6912 conjuctions. This might take some time... [2018-06-22 18:51:38,265 INFO ]: Simplified to disjunction of 2304 conjuctions. [2018-06-22 18:51:38,274 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 18:51:38,277 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 18:51:38,303 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,304 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:38,317 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,318 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,319 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:38,334 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,341 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,342 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,351 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,352 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,354 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 18:51:38,381 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,432 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,436 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,438 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:38,441 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,441 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,451 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,468 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,474 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,476 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,937 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,962 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,962 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:38,967 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:51:38,974 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,975 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:51:38,978 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 18:51:39,014 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 18:51:39,193 WARN ]: Simplifying disjunction of 20736 conjuctions. This might take some time... [2018-06-22 18:52:00,709 INFO ]: Simplified to disjunction of 6912 conjuctions. [2018-06-22 18:52:00,734 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:00,736 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:00,737 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:00,739 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 18:52:00,759 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:00,761 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:00,763 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:00,775 WARN ]: expecting exponential blowup for input size 17 [2018-06-22 18:52:01,072 WARN ]: Simplifying disjunction of 20736 conjuctions. This might take some time... [2018-06-22 18:52:18,589 INFO ]: Simplified to disjunction of 6912 conjuctions. [2018-06-22 18:52:18,615 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 18:52:18,616 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:18,636 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,649 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:18,653 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 18:52:18,655 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,705 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,707 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:18,708 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:18,709 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,726 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,726 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,727 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:18,760 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,763 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,764 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,765 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 18:52:18,770 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,770 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:18,771 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:18,830 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,830 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,832 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 18:52:18,832 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,833 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,845 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,850 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,851 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:18,852 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,853 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:52:18,879 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 18:52:18,880 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,880 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,883 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,885 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,946 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:52:18,961 WARN ]: Simplifying disjunction of 6598 conjuctions. This might take some time... [2018-06-22 18:52:22,051 INFO ]: Simplified to disjunction of 6598 conjuctions. Received shutdown request... [2018-06-22 18:52:42,464 INFO ]: Timeout while computing interpolants [2018-06-22 18:52:42,665 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:52:42,665 WARN ]: Verification canceled [2018-06-22 18:52:42,670 WARN ]: Timeout [2018-06-22 18:52:42,670 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:52:42 BoogieIcfgContainer [2018-06-22 18:52:42,670 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:52:42,671 INFO ]: Toolchain (without parser) took 76424.16 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 251.7 MB in the beginning and 441.9 MB in the end (delta: -190.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:52:42,673 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:52:42,673 INFO ]: ChcToBoogie took 104.41 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 247.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:52:42,673 INFO ]: Boogie Preprocessor took 66.89 ms. Allocated memory is still 309.3 MB. Free memory was 247.8 MB in the beginning and 245.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:52:42,674 INFO ]: RCFGBuilder took 344.88 ms. Allocated memory is still 309.3 MB. Free memory was 245.8 MB in the beginning and 225.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:52:42,674 INFO ]: TraceAbstraction took 75887.33 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 225.8 MB in the beginning and 441.9 MB in the end (delta: -216.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:52:42,687 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 104.41 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 247.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 66.89 ms. Allocated memory is still 309.3 MB. Free memory was 247.8 MB in the beginning and 245.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 344.88 ms. Allocated memory is still 309.3 MB. Free memory was 245.8 MB in the beginning and 225.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75887.33 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 225.8 MB in the beginning and 441.9 MB in the end (delta: -216.1 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 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while XnfDer was eliminating 3388 quantified variables from 18 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 75.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/MESI_4.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-52-42-707.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/MESI_4.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-52-42-707.csv Completed graceful shutdown