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/stalmark_e7_76.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:54:47,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:54:47,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:54:47,473 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:54:47,474 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:54:47,475 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:54:47,476 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:54:47,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:54:47,483 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:54:47,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:54:47,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:54:47,485 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:54:47,487 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:54:47,488 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:54:47,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:54:47,489 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:54:47,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:54:47,494 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:54:47,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:54:47,505 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:54:47,506 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:54:47,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:54:47,508 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:54:47,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:54:47,513 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:54:47,514 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:54:47,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:54:47,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:54:47,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:54:47,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:54:47,518 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:54:47,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:54:47,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:54:47,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:54:47,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:54:47,522 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 19:54:47,541 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:54:47,541 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:54:47,542 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:54:47,542 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:54:47,546 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:54:47,546 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:54:47,546 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:54:47,547 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:54:47,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:54:47,547 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:54:47,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:54:47,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:54:47,548 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:54:47,548 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:54:47,548 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:54:47,548 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:54:47,548 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:54:47,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:54:47,549 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:54:47,550 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:54:47,551 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:54:47,599 INFO ]: Repository-Root is: /tmp [2018-06-22 19:54:47,613 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:54:47,616 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:54:47,618 INFO ]: Initializing SmtParser... [2018-06-22 19:54:47,618 INFO ]: SmtParser initialized [2018-06-22 19:54:47,619 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/stalmark_e7_76.smt2 [2018-06-22 19:54:47,620 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 19:54:47,711 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/stalmark_e7_76.smt2 unknown [2018-06-22 19:54:47,899 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/stalmark_e7_76.smt2 [2018-06-22 19:54:47,904 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:54:47,911 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:54:47,911 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:54:47,911 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:54:47,911 INFO ]: ChcToBoogie initialized [2018-06-22 19:54:47,915 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:54:47" (1/1) ... [2018-06-22 19:54:47,959 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47 Unit [2018-06-22 19:54:47,959 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:54:47,960 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:54:47,960 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:54:47,960 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:54:47,986 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47" (1/1) ... [2018-06-22 19:54:47,986 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47" (1/1) ... [2018-06-22 19:54:47,995 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47" (1/1) ... [2018-06-22 19:54:47,995 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47" (1/1) ... [2018-06-22 19:54:47,999 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47" (1/1) ... [2018-06-22 19:54:48,000 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47" (1/1) ... [2018-06-22 19:54:48,001 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47" (1/1) ... [2018-06-22 19:54:48,003 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:54:48,003 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:54:48,003 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:54:48,003 INFO ]: RCFGBuilder initialized [2018-06-22 19:54:48,004 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47" (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 19:54:48,030 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:54:48,030 INFO ]: Found specification of procedure False [2018-06-22 19:54:48,030 INFO ]: Found implementation of procedure False [2018-06-22 19:54:48,030 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:54:48,030 INFO ]: Found specification of procedure state [2018-06-22 19:54:48,030 INFO ]: Found implementation of procedure state [2018-06-22 19:54:48,030 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:54:48,030 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:54:48,030 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 19:54:48,280 INFO ]: Using library mode [2018-06-22 19:54:48,285 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:54:48 BoogieIcfgContainer [2018-06-22 19:54:48,286 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:54:48,287 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:54:48,287 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:54:48,299 INFO ]: TraceAbstraction initialized [2018-06-22 19:54:48,299 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:54:47" (1/3) ... [2018-06-22 19:54:48,300 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e5ad6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:54:48, skipping insertion in model container [2018-06-22 19:54:48,300 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:54:47" (2/3) ... [2018-06-22 19:54:48,301 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e5ad6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:54:48, skipping insertion in model container [2018-06-22 19:54:48,301 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:54:48" (3/3) ... [2018-06-22 19:54:48,302 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:54:48,314 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:54:48,322 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:54:48,370 INFO ]: Using default assertion order modulation [2018-06-22 19:54:48,370 INFO ]: Interprodecural is true [2018-06-22 19:54:48,370 INFO ]: Hoare is false [2018-06-22 19:54:48,370 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:54:48,370 INFO ]: Backedges is TWOTRACK [2018-06-22 19:54:48,370 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:54:48,371 INFO ]: Difference is false [2018-06-22 19:54:48,371 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:54:48,371 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:54:48,388 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:54:48,407 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:54:48,407 INFO ]: Found error trace [2018-06-22 19:54:48,408 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:54:48,408 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:54:48,414 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 19:54:48,417 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:54:48,417 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:54:48,461 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:48,461 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:54:48,461 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:48,498 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:54:48,577 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:54:48,578 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:54:48,579 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:54:48,580 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:54:48,591 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:54:48,591 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:54:48,593 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:54:48,662 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:54:48,662 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:54:48,663 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:54:48,664 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:54:48,664 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:54:48,674 INFO ]: With dead ends: 13 [2018-06-22 19:54:48,674 INFO ]: Without dead ends: 13 [2018-06-22 19:54:48,676 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 19:54:48,689 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:54:48,709 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:54:48,710 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:54:48,711 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:54:48,712 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:54:48,712 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:54:48,712 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:54:48,712 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:54:48,712 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:54:48,713 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:54:48,713 INFO ]: Found error trace [2018-06-22 19:54:48,713 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:54:48,713 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:54:48,713 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 19:54:48,713 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:54:48,713 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:54:48,714 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:48,714 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:54:48,714 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:48,737 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:54:49,018 WARN ]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-06-22 19:54:49,120 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:54:49,120 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:54:49,120 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 19:54:49,129 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:54:49,167 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:54:49,175 INFO ]: Computing forward predicates... [2018-06-22 19:54:49,452 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:54:49,474 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:54:49,474 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 19:54:49,474 INFO ]: Interpolant automaton has 9 states [2018-06-22 19:54:49,475 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 19:54:49,475 INFO ]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-06-22 19:54:49,475 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 9 states. [2018-06-22 19:54:49,892 WARN ]: Spent 264.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-06-22 19:54:49,968 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:54:49,968 INFO ]: Finished difference Result 15 states and 16 transitions. [2018-06-22 19:54:49,968 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 19:54:49,968 INFO ]: Start accepts. Automaton has 9 states. Word has length 13 [2018-06-22 19:54:49,969 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:54:49,969 INFO ]: With dead ends: 15 [2018-06-22 19:54:49,969 INFO ]: Without dead ends: 15 [2018-06-22 19:54:49,970 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-06-22 19:54:49,970 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-22 19:54:49,973 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-22 19:54:49,973 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 19:54:49,973 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-06-22 19:54:49,973 INFO ]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2018-06-22 19:54:49,974 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:54:49,974 INFO ]: Abstraction has 15 states and 16 transitions. [2018-06-22 19:54:49,974 INFO ]: Interpolant automaton has 9 states. [2018-06-22 19:54:49,974 INFO ]: Start isEmpty. Operand 15 states and 16 transitions. [2018-06-22 19:54:49,974 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 19:54:49,974 INFO ]: Found error trace [2018-06-22 19:54:49,974 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:54:49,974 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:54:49,975 INFO ]: Analyzing trace with hash -1649658231, now seen corresponding path program 2 times [2018-06-22 19:54:49,975 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:54:49,975 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:54:49,976 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:49,976 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:54:49,976 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:49,994 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:54:50,330 WARN ]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-06-22 19:54:50,379 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 19:54:50,379 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:54:50,379 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 19:54:50,385 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 19:54:50,424 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 19:54:50,424 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:54:50,427 INFO ]: Computing forward predicates... [2018-06-22 19:54:51,046 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 19:54:51,070 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:54:51,070 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-06-22 19:54:51,071 INFO ]: Interpolant automaton has 13 states [2018-06-22 19:54:51,071 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 19:54:51,071 INFO ]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-06-22 19:54:51,072 INFO ]: Start difference. First operand 15 states and 16 transitions. Second operand 13 states. [2018-06-22 19:54:51,292 WARN ]: Spent 178.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2018-06-22 19:54:51,420 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:54:51,420 INFO ]: Finished difference Result 17 states and 18 transitions. [2018-06-22 19:54:51,422 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 19:54:51,422 INFO ]: Start accepts. Automaton has 13 states. Word has length 17 [2018-06-22 19:54:51,422 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:54:51,422 INFO ]: With dead ends: 17 [2018-06-22 19:54:51,422 INFO ]: Without dead ends: 17 [2018-06-22 19:54:51,423 INFO ]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-06-22 19:54:51,423 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 19:54:51,426 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 19:54:51,426 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 19:54:51,426 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-06-22 19:54:51,426 INFO ]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 17 [2018-06-22 19:54:51,427 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:54:51,427 INFO ]: Abstraction has 17 states and 18 transitions. [2018-06-22 19:54:51,427 INFO ]: Interpolant automaton has 13 states. [2018-06-22 19:54:51,427 INFO ]: Start isEmpty. Operand 17 states and 18 transitions. [2018-06-22 19:54:51,427 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 19:54:51,427 INFO ]: Found error trace [2018-06-22 19:54:51,427 INFO ]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:54:51,428 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:54:51,428 INFO ]: Analyzing trace with hash 2119922091, now seen corresponding path program 3 times [2018-06-22 19:54:51,428 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:54:51,428 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:54:51,428 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:51,429 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 19:54:51,429 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:51,453 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:54:51,641 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 19:54:51,641 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:54:51,641 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:54:51,647 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 19:54:51,671 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-06-22 19:54:51,671 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:54:51,673 INFO ]: Computing forward predicates... [2018-06-22 19:54:51,922 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 19:54:51,951 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:54:51,951 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-06-22 19:54:51,952 INFO ]: Interpolant automaton has 17 states [2018-06-22 19:54:51,952 INFO ]: Constructing interpolant automaton starting with 17 interpolants. [2018-06-22 19:54:51,952 INFO ]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2018-06-22 19:54:51,952 INFO ]: Start difference. First operand 17 states and 18 transitions. Second operand 17 states. [2018-06-22 19:54:52,137 WARN ]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2018-06-22 19:54:52,395 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:54:52,395 INFO ]: Finished difference Result 21 states and 22 transitions. [2018-06-22 19:54:52,395 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 19:54:52,395 INFO ]: Start accepts. Automaton has 17 states. Word has length 21 [2018-06-22 19:54:52,396 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:54:52,396 INFO ]: With dead ends: 21 [2018-06-22 19:54:52,396 INFO ]: Without dead ends: 21 [2018-06-22 19:54:52,397 INFO ]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2018-06-22 19:54:52,397 INFO ]: Start minimizeSevpa. Operand 21 states. [2018-06-22 19:54:52,400 INFO ]: Finished minimizeSevpa. Reduced states from 21 to 19. [2018-06-22 19:54:52,400 INFO ]: Start removeUnreachable. Operand 19 states. [2018-06-22 19:54:52,401 INFO ]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-06-22 19:54:52,401 INFO ]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 21 [2018-06-22 19:54:52,401 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:54:52,401 INFO ]: Abstraction has 19 states and 20 transitions. [2018-06-22 19:54:52,401 INFO ]: Interpolant automaton has 17 states. [2018-06-22 19:54:52,401 INFO ]: Start isEmpty. Operand 19 states and 20 transitions. [2018-06-22 19:54:52,402 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 19:54:52,402 INFO ]: Found error trace [2018-06-22 19:54:52,402 INFO ]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:54:52,402 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:54:52,402 INFO ]: Analyzing trace with hash 1762711629, now seen corresponding path program 4 times [2018-06-22 19:54:52,402 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:54:52,402 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:54:52,403 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:52,403 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 19:54:52,403 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:54:52,415 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:54:52,630 INFO ]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-06-22 19:54:52,630 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:54:52,630 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:54:52,636 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 19:54:52,668 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 19:54:52,668 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:54:52,671 INFO ]: Computing forward predicates... [2018-06-22 19:54:53,250 INFO ]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-06-22 19:54:53,270 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:54:53,270 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-06-22 19:54:53,270 INFO ]: Interpolant automaton has 19 states [2018-06-22 19:54:53,271 INFO ]: Constructing interpolant automaton starting with 19 interpolants. [2018-06-22 19:54:53,271 INFO ]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-06-22 19:54:53,271 INFO ]: Start difference. First operand 19 states and 20 transitions. Second operand 19 states. [2018-06-22 19:54:53,417 WARN ]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2018-06-22 19:54:53,692 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:54:53,692 INFO ]: Finished difference Result 15 states and 16 transitions. [2018-06-22 19:54:53,692 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 19:54:53,692 INFO ]: Start accepts. Automaton has 19 states. Word has length 25 [2018-06-22 19:54:53,692 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:54:53,692 INFO ]: With dead ends: 15 [2018-06-22 19:54:53,692 INFO ]: Without dead ends: 0 [2018-06-22 19:54:53,693 INFO ]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2018-06-22 19:54:53,693 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 19:54:53,693 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 19:54:53,693 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 19:54:53,693 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 19:54:53,693 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-06-22 19:54:53,693 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:54:53,693 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 19:54:53,693 INFO ]: Interpolant automaton has 19 states. [2018-06-22 19:54:53,693 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 19:54:53,693 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 19:54:53,697 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:54:53 BoogieIcfgContainer [2018-06-22 19:54:53,697 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:54:53,698 INFO ]: Toolchain (without parser) took 5793.14 ms. Allocated memory was 306.7 MB in the beginning and 384.8 MB in the end (delta: 78.1 MB). Free memory was 262.1 MB in the beginning and 350.3 MB in the end (delta: -88.2 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:54:53,698 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:54:53,699 INFO ]: ChcToBoogie took 48.64 ms. Allocated memory is still 306.7 MB. Free memory was 262.1 MB in the beginning and 260.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:54:53,699 INFO ]: Boogie Preprocessor took 42.72 ms. Allocated memory is still 306.7 MB. Free memory was 260.1 MB in the beginning and 258.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:54:53,700 INFO ]: RCFGBuilder took 282.20 ms. Allocated memory is still 306.7 MB. Free memory was 258.1 MB in the beginning and 250.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 3.6 GB. [2018-06-22 19:54:53,700 INFO ]: TraceAbstraction took 5410.26 ms. Allocated memory was 306.7 MB in the beginning and 384.8 MB in the end (delta: 78.1 MB). Free memory was 250.0 MB in the beginning and 350.3 MB in the end (delta: -100.3 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:54:53,703 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 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 48.64 ms. Allocated memory is still 306.7 MB. Free memory was 262.1 MB in the beginning and 260.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 42.72 ms. Allocated memory is still 306.7 MB. Free memory was 260.1 MB in the beginning and 258.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 282.20 ms. Allocated memory is still 306.7 MB. Free memory was 258.1 MB in the beginning and 250.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 5410.26 ms. Allocated memory was 306.7 MB in the beginning and 384.8 MB in the end (delta: 78.1 MB). Free memory was 250.0 MB in the beginning and 350.3 MB in the end (delta: -100.3 MB). There was no memory consumed. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 5 OverallIterations, 5 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 SDtfs, 68 SDslu, 230 SDs, 0 SdLazy, 203 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=4, 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 12204 SizeOfPredicates, 52 NumberOfNonLiveVariables, 342 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 44/140 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stalmark_e7_76.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-54-53-714.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stalmark_e7_76.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-54-53-714.csv Received shutdown request...