java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --rcfgbuilder.command.for.external.solver 'z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000' -tc ../../../trunk/examples/toolchains/AutomizerBplInlineTransformed.xml --icfgtransformation.transformationtype MAP_ELIMINATION_MONNIAUX --icfgtransformation.map.elimination.monniaux.number.of.cells 1 -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 09:49:40,547 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 09:49:40,549 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 09:49:40,565 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 09:49:40,566 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 09:49:40,567 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 09:49:40,569 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 09:49:40,571 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 09:49:40,574 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 09:49:40,575 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 09:49:40,577 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 09:49:40,577 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 09:49:40,579 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 09:49:40,580 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 09:49:40,582 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 09:49:40,585 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 09:49:40,585 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 09:49:40,588 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 09:49:40,598 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 09:49:40,601 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 09:49:40,603 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 09:49:40,604 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 09:49:40,611 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 09:49:40,611 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 09:49:40,611 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 09:49:40,612 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 09:49:40,613 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 09:49:40,614 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 09:49:40,614 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 09:49:40,616 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 09:49:40,619 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 09:49:40,621 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 09:49:40,622 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 09:49:40,622 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 09:49:40,623 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 09:49:40,623 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 09:49:40,624 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 09:49:40,625 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 09:49:40,625 INFO L146 ILogger]: Finished resetting all preferences to default values... Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Command for external solver -> z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: TransformationType -> MAP_ELIMINATION_MONNIAUX Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: Map elimination Monniaux: number of cells -> 1 [2019-05-23 09:49:40,657 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 09:49:40,669 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 09:49:40,673 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 09:49:40,674 INFO L146 ILogger]: Initializing Boogie PL CUP Parser... [2019-05-23 09:49:40,675 INFO L146 ILogger]: Boogie PL CUP Parser initialized [2019-05-23 09:49:40,676 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array1.i_3.bpl [2019-05-23 09:49:40,676 INFO L146 ILogger]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array1.i_3.bpl' [2019-05-23 09:49:40,709 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 09:49:40,710 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 09:49:40,711 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 09:49:40,711 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 09:49:40,712 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 09:49:40,728 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,740 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,748 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 09:49:40,749 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 09:49:40,749 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 09:49:40,749 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 09:49:40,761 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,761 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,762 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,762 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,766 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,767 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,768 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,769 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 09:49:40,770 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 09:49:40,770 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 09:49:40,770 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 09:49:40,771 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4096 -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:4096 -smt2 -in -t:12000 [2019-05-23 09:49:40,839 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 09:49:40,840 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 09:49:41,104 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 09:49:41,104 INFO L146 ILogger]: Removed 1 assume(true) statements. [2019-05-23 09:49:41,105 INFO L146 ILogger]: Adding new model array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:49:41 BoogieIcfgContainer [2019-05-23 09:49:41,107 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 09:49:41,107 INFO L146 ILogger]: ------------------------IcfgTransformer---------------------------- [2019-05-23 09:49:41,107 INFO L146 ILogger]: Initializing IcfgTransformer... [2019-05-23 09:49:41,109 INFO L146 ILogger]: IcfgTransformer initialized [2019-05-23 09:49:41,112 INFO L146 ILogger]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:49:41" (1/1) ... [2019-05-23 09:49:41,162 INFO L146 ILogger]: L35 [2019-05-23 09:49:41,163 INFO L146 ILogger]: In Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~cond_1 |v_ULTIMATE.start___VERIFIER_assert_#in~cond_1|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~cond_1| (ite (not (= 1023 (select v_ULTIMATE.start_main_~A~4_4 1023))) 1 0)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~cond_1) (not (< v_ULTIMATE.start_main_~i~4_6 1024))) InVars {ULTIMATE.start_main_~A~4=v_ULTIMATE.start_main_~A~4_4, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_6} OutVars{ULTIMATE.start___VERIFIER_assert_~cond=v_ULTIMATE.start___VERIFIER_assert_~cond_1, ULTIMATE.start___VERIFIER_assert_#in~cond=|v_ULTIMATE.start___VERIFIER_assert_#in~cond_1|, ULTIMATE.start_main_~A~4=v_ULTIMATE.start_main_~A~4_4, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_6} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond, ULTIMATE.start___VERIFIER_assert_#in~cond] [2019-05-23 09:49:41,163 INFO L146 ILogger]: Out Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~cond_1 |v_ULTIMATE.start___VERIFIER_assert_#in~cond_1|) (or (= 1023 v_ULTIMATE.start_main_~A~4_idx_0_term_1) (not v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~cond_1) (or (not (= 1023 v_ULTIMATE.start_main_~A~4_idx_0_term_1)) (= v_ULTIMATE.start_main_~A~4_val_0_in_1 v_v_ULTIMATE.start_main_~A~4_4_aux_1)) (= |v_ULTIMATE.start___VERIFIER_assert_#in~cond_1| (ite (not (= 1023 v_v_ULTIMATE.start_main_~A~4_4_aux_1)) 1 0)) (not (< v_ULTIMATE.start_main_~i~4_6 1024)) v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1) InVars {ULTIMATE.start_main_~A~4_idx_0=v_ULTIMATE.start_main_~A~4_idx_0_term_1, ULTIMATE.start_main_~A~4_idx_0_bool=v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1, ULTIMATE.start_main_~A~4_val_0=v_ULTIMATE.start_main_~A~4_val_0_in_1, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_6} OutVars{ULTIMATE.start_main_~A~4_idx_0=v_ULTIMATE.start_main_~A~4_idx_0_term_1, ULTIMATE.start_main_~A~4_val_0=v_ULTIMATE.start_main_~A~4_val_0_in_1, ULTIMATE.start___VERIFIER_assert_~cond=v_ULTIMATE.start___VERIFIER_assert_~cond_1, ULTIMATE.start_main_~A~4_idx_0_bool=v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1, ULTIMATE.start___VERIFIER_assert_#in~cond=|v_ULTIMATE.start___VERIFIER_assert_#in~cond_1|, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_6} AuxVars[v_v_ULTIMATE.start_main_~A~4_4_aux_1] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond, ULTIMATE.start___VERIFIER_assert_#in~cond] [2019-05-23 09:49:41,163 INFO L146 ILogger]: L28 [2019-05-23 09:49:41,166 INFO L146 ILogger]: L35 [2019-05-23 09:49:41,166 INFO L146 ILogger]: In Formula: (and (= v_ULTIMATE.start_main_~A~4_5 (store v_ULTIMATE.start_main_~A~4_6 v_ULTIMATE.start_main_~i~4_8 v_ULTIMATE.start_main_~i~4_8)) (= v_ULTIMATE.start_main_~i~4_7 (+ v_ULTIMATE.start_main_~i~4_8 1)) (< v_ULTIMATE.start_main_~i~4_8 1024)) InVars {ULTIMATE.start_main_~A~4=v_ULTIMATE.start_main_~A~4_6, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_8} OutVars{ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_2|, ULTIMATE.start_main_~A~4=v_ULTIMATE.start_main_~A~4_5, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post0, ULTIMATE.start_main_~A~4, ULTIMATE.start_main_~i~4] [2019-05-23 09:49:41,166 INFO L146 ILogger]: Out Formula: (and (= v_ULTIMATE.start_main_~A~4_val_0_out_1 v_ULTIMATE.start_main_~A~4_val_0_in_2) (= v_ULTIMATE.start_main_~i~4_7 (+ v_ULTIMATE.start_main_~i~4_8 1)) (or (= v_ULTIMATE.start_main_~A~4_val_0_in_2 v_ULTIMATE.start_main_~i~4_8) (not (= v_ULTIMATE.start_main_~A~4_idx_0_term_2 v_ULTIMATE.start_main_~i~4_8))) (< v_ULTIMATE.start_main_~i~4_8 1024) v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1 (or (= v_ULTIMATE.start_main_~A~4_idx_0_term_2 v_ULTIMATE.start_main_~i~4_8) (not v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1))) InVars {ULTIMATE.start_main_~A~4_idx_0=v_ULTIMATE.start_main_~A~4_idx_0_term_2, ULTIMATE.start_main_~A~4_idx_0_bool=v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1, ULTIMATE.start_main_~A~4_val_0=v_ULTIMATE.start_main_~A~4_val_0_in_2, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_8} OutVars{ULTIMATE.start_main_~A~4_idx_0=v_ULTIMATE.start_main_~A~4_idx_0_term_2, ULTIMATE.start_main_~A~4_idx_0_bool=v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1, ULTIMATE.start_main_~A~4_val_0=v_ULTIMATE.start_main_~A~4_val_0_out_1, ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_2|, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~A~4_val_0, ULTIMATE.start_main_#t~post0, ULTIMATE.start_main_~i~4] [2019-05-23 09:49:41,167 INFO L146 ILogger]: L35 [2019-05-23 09:49:41,175 INFO L146 ILogger]: Adding new model array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:49:41 BasicIcfg [2019-05-23 09:49:41,175 INFO L146 ILogger]: ------------------------ END IcfgTransformer---------------------------- [2019-05-23 09:49:41,176 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 09:49:41,177 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 09:49:41,180 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 09:49:41,180 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/3) ... [2019-05-23 09:49:41,181 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77525dda and model type array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 09:49:41, skipping insertion in model container [2019-05-23 09:49:41,182 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:49:41" (2/3) ... [2019-05-23 09:49:41,182 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77525dda and model type array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 09:49:41, skipping insertion in model container [2019-05-23 09:49:41,182 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:49:41" (3/3) ... [2019-05-23 09:49:41,184 INFO L146 ILogger]: Analyzing ICFG array1.i_3.bplME [2019-05-23 09:49:41,192 INFO L146 ILogger]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-05-23 09:49:41,199 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 09:49:41,216 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 09:49:41,242 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 09:49:41,243 INFO L146 ILogger]: Interprodecural is true [2019-05-23 09:49:41,243 INFO L146 ILogger]: Hoare is false [2019-05-23 09:49:41,243 INFO L146 ILogger]: Compute interpolants for ForwardPredicates [2019-05-23 09:49:41,243 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 09:49:41,243 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 09:49:41,244 INFO L146 ILogger]: Difference is false [2019-05-23 09:49:41,244 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 09:49:41,244 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 09:49:41,258 INFO L146 ILogger]: Start isEmpty. Operand 5 states. [2019-05-23 09:49:41,267 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 4 [2019-05-23 09:49:41,267 INFO L146 ILogger]: Found error trace [2019-05-23 09:49:41,268 INFO L146 ILogger]: trace histogram [1, 1, 1] [2019-05-23 09:49:41,271 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:49:41,276 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:49:41,277 INFO L146 ILogger]: Analyzing trace with hash 42734, now seen corresponding path program 1 times [2019-05-23 09:49:41,331 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:49:41,370 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:49:41,373 INFO L146 ILogger]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2019-05-23 09:49:41,379 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:49:41,418 INFO L146 ILogger]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:49:41,421 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 09:49:41,421 INFO L146 ILogger]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-05-23 09:49:41,426 INFO L146 ILogger]: Interpolant automaton has 3 states [2019-05-23 09:49:41,441 INFO L146 ILogger]: Constructing interpolant automaton starting with 3 interpolants. [2019-05-23 09:49:41,442 INFO L146 ILogger]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 09:49:41,445 INFO L146 ILogger]: Start difference. First operand 5 states. Second operand 3 states. [2019-05-23 09:49:41,498 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:49:41,499 INFO L146 ILogger]: Finished difference Result 5 states and 5 transitions. [2019-05-23 09:49:41,500 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-05-23 09:49:41,502 INFO L146 ILogger]: Start accepts. Automaton has 3 states. Word has length 3 [2019-05-23 09:49:41,502 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:49:41,512 INFO L146 ILogger]: With dead ends: 5 [2019-05-23 09:49:41,513 INFO L146 ILogger]: Without dead ends: 5 [2019-05-23 09:49:41,515 INFO L146 ILogger]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 09:49:41,535 INFO L146 ILogger]: Start minimizeSevpa. Operand 5 states. [2019-05-23 09:49:41,568 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-05-23 09:49:41,570 INFO L146 ILogger]: Start removeUnreachable. Operand 5 states. [2019-05-23 09:49:41,574 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-05-23 09:49:41,579 INFO L146 ILogger]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-05-23 09:49:41,580 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:49:41,580 INFO L146 ILogger]: Abstraction has 5 states and 5 transitions. [2019-05-23 09:49:41,580 INFO L146 ILogger]: Interpolant automaton has 3 states. [2019-05-23 09:49:41,581 INFO L146 ILogger]: Start isEmpty. Operand 5 states and 5 transitions. [2019-05-23 09:49:41,581 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 5 [2019-05-23 09:49:41,581 INFO L146 ILogger]: Found error trace [2019-05-23 09:49:41,582 INFO L146 ILogger]: trace histogram [1, 1, 1, 1] [2019-05-23 09:49:41,582 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:49:41,582 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:49:41,583 INFO L146 ILogger]: Analyzing trace with hash 1325669, now seen corresponding path program 1 times [2019-05-23 09:49:41,589 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:49:41,607 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:49:41,611 INFO L146 ILogger]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2019-05-23 09:49:41,612 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:49:41,738 INFO L146 ILogger]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:49:41,739 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:49:41,739 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-05-23 09:49:41,741 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 09:49:41,741 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 09:49:41,741 INFO L146 ILogger]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-05-23 09:49:41,742 INFO L146 ILogger]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2019-05-23 09:49:41,783 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:49:41,783 INFO L146 ILogger]: Finished difference Result 3 states and 3 transitions. [2019-05-23 09:49:41,784 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-05-23 09:49:41,784 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 4 [2019-05-23 09:49:41,784 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:49:41,784 INFO L146 ILogger]: With dead ends: 3 [2019-05-23 09:49:41,785 INFO L146 ILogger]: Without dead ends: 0 [2019-05-23 09:49:41,786 INFO L146 ILogger]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-05-23 09:49:41,786 INFO L146 ILogger]: Start minimizeSevpa. Operand 0 states. [2019-05-23 09:49:41,786 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-05-23 09:49:41,787 INFO L146 ILogger]: Start removeUnreachable. Operand 0 states. [2019-05-23 09:49:41,787 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-05-23 09:49:41,788 INFO L146 ILogger]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-05-23 09:49:41,788 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:49:41,788 INFO L146 ILogger]: Abstraction has 0 states and 0 transitions. [2019-05-23 09:49:41,788 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 09:49:41,788 INFO L146 ILogger]: Start isEmpty. Operand 0 states and 0 transitions. [2019-05-23 09:49:41,789 INFO L146 ILogger]: Finished isEmpty. No accepting run. [2019-05-23 09:49:41,792 INFO L146 ILogger]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-05-23 09:49:41,794 INFO L146 ILogger]: Adding new model array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 09:49:41 BasicIcfg [2019-05-23 09:49:41,794 INFO L146 ILogger]: ------------------------ END TraceAbstraction---------------------------- [2019-05-23 09:49:41,797 INFO L146 ILogger]: Toolchain (without parser) took 1085.21 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 68.6 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:41,798 INFO L146 ILogger]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-05-23 09:49:41,800 INFO L146 ILogger]: Boogie Procedure Inliner took 36.98 ms. Allocated memory is still 140.0 MB. Free memory was 108.2 MB in the beginning and 106.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:41,801 INFO L146 ILogger]: Boogie Preprocessor took 21.11 ms. Allocated memory is still 140.0 MB. Free memory was 106.5 MB in the beginning and 105.6 MB in the end (delta: 900.3 kB). Peak memory consumption was 900.3 kB. Max. memory is 7.1 GB. [2019-05-23 09:49:41,802 INFO L146 ILogger]: RCFGBuilder took 336.72 ms. Allocated memory is still 140.0 MB. Free memory was 105.4 MB in the beginning and 96.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:41,803 INFO L146 ILogger]: IcfgTransformer took 67.83 ms. Allocated memory is still 140.0 MB. Free memory was 96.2 MB in the beginning and 93.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:41,804 INFO L146 ILogger]: TraceAbstraction took 617.76 ms. Allocated memory is still 140.0 MB. Free memory was 93.1 MB in the beginning and 68.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:41,809 INFO L146 ILogger]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.98 ms. Allocated memory is still 140.0 MB. Free memory was 108.2 MB in the beginning and 106.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.11 ms. Allocated memory is still 140.0 MB. Free memory was 106.5 MB in the beginning and 105.6 MB in the end (delta: 900.3 kB). Peak memory consumption was 900.3 kB. Max. memory is 7.1 GB. * RCFGBuilder took 336.72 ms. Allocated memory is still 140.0 MB. Free memory was 105.4 MB in the beginning and 96.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * IcfgTransformer took 67.83 ms. Allocated memory is still 140.0 MB. Free memory was 96.2 MB in the beginning and 93.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 617.76 ms. Allocated memory is still 140.0 MB. Free memory was 93.1 MB in the beginning and 68.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 37]: 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 1 procedures, 5 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 1 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 3 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...