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 --rcfgbuilder.size.of.a.code.block SingleStatement --icfgtransformation.map.elimination.monniaux.number.of.cells 1 -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 09:36:41,900 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 09:36:41,902 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 09:36:41,916 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 09:36:41,916 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 09:36:41,918 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 09:36:41,920 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 09:36:41,923 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 09:36:41,925 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 09:36:41,926 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 09:36:41,927 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 09:36:41,929 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 09:36:41,930 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 09:36:41,932 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 09:36:41,934 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 09:36:41,942 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 09:36:41,943 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 09:36:41,947 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 09:36:41,952 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 09:36:41,954 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 09:36:41,955 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 09:36:41,956 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 09:36:41,962 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 09:36:41,962 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 09:36:41,962 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 09:36:41,964 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 09:36:41,964 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 09:36:41,967 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 09:36:41,967 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 09:36:41,968 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 09:36:41,970 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 09:36:41,971 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 09:36:41,972 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 09:36:41,972 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 09:36:41,973 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 09:36:41,973 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 09:36:41,973 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 09:36:41,974 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 09:36:41,975 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.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: Map elimination Monniaux: number of cells -> 1 [2019-05-23 09:36:42,012 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 09:36:42,025 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 09:36:42,028 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 09:36:42,030 INFO L146 ILogger]: Initializing Boogie PL CUP Parser... [2019-05-23 09:36:42,030 INFO L146 ILogger]: Boogie PL CUP Parser initialized [2019-05-23 09:36:42,031 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl [2019-05-23 09:36:42,031 INFO L146 ILogger]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl' [2019-05-23 09:36:42,066 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 09:36:42,067 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 09:36:42,068 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 09:36:42,068 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 09:36:42,069 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 09:36:42,086 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,099 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,111 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 09:36:42,113 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 09:36:42,113 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 09:36:42,113 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 09:36:42,125 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,126 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,127 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,127 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,131 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,134 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,135 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,137 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 09:36:42,138 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 09:36:42,138 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 09:36:42,138 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 09:36:42,139 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (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 09:36:42,212 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 09:36:42,213 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 09:36:42,545 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 09:36:42,545 INFO L146 ILogger]: Removed 2 assume(true) statements. [2019-05-23 09:36:42,547 INFO L146 ILogger]: Adding new model array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:36:42 BoogieIcfgContainer [2019-05-23 09:36:42,550 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 09:36:42,550 INFO L146 ILogger]: ------------------------IcfgTransformer---------------------------- [2019-05-23 09:36:42,551 INFO L146 ILogger]: Initializing IcfgTransformer... [2019-05-23 09:36:42,552 INFO L146 ILogger]: IcfgTransformer initialized [2019-05-23 09:36:42,562 INFO L146 ILogger]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,595 INFO L146 ILogger]: L54 [2019-05-23 09:36:42,596 INFO L146 ILogger]: In Formula: (or (not (< v_ULTIMATE.start_main_~i~5_10 1024)) (= 0 (select v_ULTIMATE.start_main_~A~5_5 v_ULTIMATE.start_main_~i~5_10))) InVars {ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_5, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_10} OutVars{ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_5, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_10} AuxVars[] AssignedVars[] [2019-05-23 09:36:42,596 INFO L146 ILogger]: Out Formula: (and (or (not (< v_ULTIMATE.start_main_~i~5_10 1024)) (and (= v_v_ULTIMATE.start_main_~A~5_5_aux_1 0) v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1 (or (not v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1) (= v_ULTIMATE.start_main_~A~5_idx_0_term_1 v_ULTIMATE.start_main_~i~5_10)))) (or (= v_ULTIMATE.start_main_~A~5_val_0_in_1 v_v_ULTIMATE.start_main_~A~5_5_aux_1) (not (= v_ULTIMATE.start_main_~A~5_idx_0_term_1 v_ULTIMATE.start_main_~i~5_10)))) InVars {ULTIMATE.start_main_~A~5_idx_0=v_ULTIMATE.start_main_~A~5_idx_0_term_1, ULTIMATE.start_main_~A~5_idx_0_bool=v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1, ULTIMATE.start_main_~A~5_val_0=v_ULTIMATE.start_main_~A~5_val_0_in_1, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_10} OutVars{ULTIMATE.start_main_~A~5_idx_0=v_ULTIMATE.start_main_~A~5_idx_0_term_1, ULTIMATE.start_main_~A~5_idx_0_bool=v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1, ULTIMATE.start_main_~A~5_val_0=v_ULTIMATE.start_main_~A~5_val_0_in_1, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_10} AuxVars[v_v_ULTIMATE.start_main_~A~5_5_aux_1] AssignedVars[] [2019-05-23 09:36:42,597 INFO L146 ILogger]: L43 [2019-05-23 09:36:42,599 INFO L146 ILogger]: L54 [2019-05-23 09:36:42,599 INFO L146 ILogger]: In Formula: (and (not (= 0 (select v_ULTIMATE.start_main_~A~5_6 v_ULTIMATE.start_main_~i~5_12))) (< v_ULTIMATE.start_main_~i~5_12 1024)) InVars {ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_6, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_12} OutVars{ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_6, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_12} AuxVars[] AssignedVars[] [2019-05-23 09:36:42,599 INFO L146 ILogger]: Out Formula: (and (or (not v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1) (= v_ULTIMATE.start_main_~A~5_idx_0_term_2 v_ULTIMATE.start_main_~i~5_12)) (not (= 0 v_v_ULTIMATE.start_main_~A~5_6_aux_1)) v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1 (or (not (= v_ULTIMATE.start_main_~A~5_idx_0_term_2 v_ULTIMATE.start_main_~i~5_12)) (= v_ULTIMATE.start_main_~A~5_val_0_in_2 v_v_ULTIMATE.start_main_~A~5_6_aux_1)) (< v_ULTIMATE.start_main_~i~5_12 1024)) InVars {ULTIMATE.start_main_~A~5_idx_0=v_ULTIMATE.start_main_~A~5_idx_0_term_2, ULTIMATE.start_main_~A~5_idx_0_bool=v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1, ULTIMATE.start_main_~A~5_val_0=v_ULTIMATE.start_main_~A~5_val_0_in_2, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_12} OutVars{ULTIMATE.start_main_~A~5_idx_0=v_ULTIMATE.start_main_~A~5_idx_0_term_2, ULTIMATE.start_main_~A~5_idx_0_bool=v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1, ULTIMATE.start_main_~A~5_val_0=v_ULTIMATE.start_main_~A~5_val_0_in_2, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_12} AuxVars[v_v_ULTIMATE.start_main_~A~5_6_aux_1] AssignedVars[] [2019-05-23 09:36:42,599 INFO L146 ILogger]: L51 [2019-05-23 09:36:42,601 INFO L146 ILogger]: L30 [2019-05-23 09:36:42,602 INFO L146 ILogger]: In Formula: (= v_ULTIMATE.start_main_~A~5_3 (store v_ULTIMATE.start_main_~A~5_4 v_ULTIMATE.start_main_~i~5_7 |v_ULTIMATE.start_main_#t~nondet1_3|)) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|, ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_4, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_7} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|, ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_3, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~A~5] [2019-05-23 09:36:42,602 INFO L146 ILogger]: Out Formula: (and (or (= v_ULTIMATE.start_main_~A~5_idx_0_term_3 v_ULTIMATE.start_main_~i~5_7) (not v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1)) (or (not (= v_ULTIMATE.start_main_~A~5_idx_0_term_3 v_ULTIMATE.start_main_~i~5_7)) (= v_ULTIMATE.start_main_~A~5_val_0_in_3 |v_ULTIMATE.start_main_#t~nondet1_3|)) (= v_ULTIMATE.start_main_~A~5_val_0_out_1 v_ULTIMATE.start_main_~A~5_val_0_in_3) v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|, ULTIMATE.start_main_~A~5_idx_0=v_ULTIMATE.start_main_~A~5_idx_0_term_3, ULTIMATE.start_main_~A~5_idx_0_bool=v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1, ULTIMATE.start_main_~A~5_val_0=v_ULTIMATE.start_main_~A~5_val_0_in_3, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_7} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|, ULTIMATE.start_main_~A~5_idx_0=v_ULTIMATE.start_main_~A~5_idx_0_term_3, ULTIMATE.start_main_~A~5_idx_0_bool=v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1, ULTIMATE.start_main_~A~5_val_0=v_ULTIMATE.start_main_~A~5_val_0_out_1, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~A~5_val_0] [2019-05-23 09:36:42,602 INFO L146 ILogger]: L31 [2019-05-23 09:36:42,611 INFO L146 ILogger]: Adding new model array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:36:42 BasicIcfg [2019-05-23 09:36:42,612 INFO L146 ILogger]: ------------------------ END IcfgTransformer---------------------------- [2019-05-23 09:36:42,613 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 09:36:42,613 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 09:36:42,616 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 09:36:42,617 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/3) ... [2019-05-23 09:36:42,618 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da7e15d and model type array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 09:36:42, skipping insertion in model container [2019-05-23 09:36:42,618 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:36:42" (2/3) ... [2019-05-23 09:36:42,619 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da7e15d and model type array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 09:36:42, skipping insertion in model container [2019-05-23 09:36:42,619 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:36:42" (3/3) ... [2019-05-23 09:36:42,620 INFO L146 ILogger]: Analyzing ICFG array3.i_4.bplME [2019-05-23 09:36:42,630 INFO L146 ILogger]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-05-23 09:36:42,637 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 09:36:42,654 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 09:36:42,682 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 09:36:42,682 INFO L146 ILogger]: Interprodecural is true [2019-05-23 09:36:42,683 INFO L146 ILogger]: Hoare is false [2019-05-23 09:36:42,683 INFO L146 ILogger]: Compute interpolants for ForwardPredicates [2019-05-23 09:36:42,683 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 09:36:42,683 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 09:36:42,683 INFO L146 ILogger]: Difference is false [2019-05-23 09:36:42,683 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 09:36:42,684 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 09:36:42,697 INFO L146 ILogger]: Start isEmpty. Operand 26 states. [2019-05-23 09:36:42,707 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 15 [2019-05-23 09:36:42,707 INFO L146 ILogger]: Found error trace [2019-05-23 09:36:42,708 INFO L146 ILogger]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 09:36:42,711 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:36:42,717 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:36:42,717 INFO L146 ILogger]: Analyzing trace with hash -1881387955, now seen corresponding path program 1 times [2019-05-23 09:36:42,770 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:36:42,805 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:36:42,808 INFO L146 ILogger]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2019-05-23 09:36:42,814 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:36:42,867 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 09:36:42,869 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 09:36:42,869 INFO L146 ILogger]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-05-23 09:36:42,873 INFO L146 ILogger]: Interpolant automaton has 3 states [2019-05-23 09:36:42,883 INFO L146 ILogger]: Constructing interpolant automaton starting with 3 interpolants. [2019-05-23 09:36:42,886 INFO L146 ILogger]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 09:36:42,888 INFO L146 ILogger]: Start difference. First operand 26 states. Second operand 3 states. [2019-05-23 09:36:43,013 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:36:43,013 INFO L146 ILogger]: Finished difference Result 40 states and 41 transitions. [2019-05-23 09:36:43,014 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-05-23 09:36:43,015 INFO L146 ILogger]: Start accepts. Automaton has 3 states. Word has length 14 [2019-05-23 09:36:43,016 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:36:43,027 INFO L146 ILogger]: With dead ends: 40 [2019-05-23 09:36:43,027 INFO L146 ILogger]: Without dead ends: 40 [2019-05-23 09:36:43,029 INFO L146 ILogger]: 0 DeclaredPredicates, 13 GetRequests, 12 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 09:36:43,048 INFO L146 ILogger]: Start minimizeSevpa. Operand 40 states. [2019-05-23 09:36:43,063 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 40 to 25. [2019-05-23 09:36:43,065 INFO L146 ILogger]: Start removeUnreachable. Operand 25 states. [2019-05-23 09:36:43,066 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-05-23 09:36:43,067 INFO L146 ILogger]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 14 [2019-05-23 09:36:43,067 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:36:43,068 INFO L146 ILogger]: Abstraction has 25 states and 26 transitions. [2019-05-23 09:36:43,068 INFO L146 ILogger]: Interpolant automaton has 3 states. [2019-05-23 09:36:43,068 INFO L146 ILogger]: Start isEmpty. Operand 25 states and 26 transitions. [2019-05-23 09:36:43,069 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 22 [2019-05-23 09:36:43,069 INFO L146 ILogger]: Found error trace [2019-05-23 09:36:43,069 INFO L146 ILogger]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 09:36:43,070 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:36:43,070 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:36:43,070 INFO L146 ILogger]: Analyzing trace with hash -30516345, now seen corresponding path program 1 times [2019-05-23 09:36:43,071 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:36:43,090 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:36:43,092 INFO L146 ILogger]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2019-05-23 09:36:43,094 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:36:43,197 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 09:36:43,197 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:36:43,198 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-05-23 09:36:43,199 INFO L146 ILogger]: Interpolant automaton has 5 states [2019-05-23 09:36:43,200 INFO L146 ILogger]: Constructing interpolant automaton starting with 5 interpolants. [2019-05-23 09:36:43,200 INFO L146 ILogger]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-05-23 09:36:43,200 INFO L146 ILogger]: Start difference. First operand 25 states and 26 transitions. Second operand 5 states. [2019-05-23 09:36:43,590 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:36:43,590 INFO L146 ILogger]: Finished difference Result 47 states and 48 transitions. [2019-05-23 09:36:43,592 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-05-23 09:36:43,592 INFO L146 ILogger]: Start accepts. Automaton has 5 states. Word has length 21 [2019-05-23 09:36:43,592 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:36:43,593 INFO L146 ILogger]: With dead ends: 47 [2019-05-23 09:36:43,594 INFO L146 ILogger]: Without dead ends: 47 [2019-05-23 09:36:43,596 INFO L146 ILogger]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-05-23 09:36:43,597 INFO L146 ILogger]: Start minimizeSevpa. Operand 47 states. [2019-05-23 09:36:43,602 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 47 to 32. [2019-05-23 09:36:43,603 INFO L146 ILogger]: Start removeUnreachable. Operand 32 states. [2019-05-23 09:36:43,604 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-05-23 09:36:43,604 INFO L146 ILogger]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 21 [2019-05-23 09:36:43,604 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:36:43,604 INFO L146 ILogger]: Abstraction has 32 states and 33 transitions. [2019-05-23 09:36:43,605 INFO L146 ILogger]: Interpolant automaton has 5 states. [2019-05-23 09:36:43,605 INFO L146 ILogger]: Start isEmpty. Operand 32 states and 33 transitions. [2019-05-23 09:36:43,606 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 29 [2019-05-23 09:36:43,607 INFO L146 ILogger]: Found error trace [2019-05-23 09:36:43,607 INFO L146 ILogger]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 09:36:43,607 INFO L146 ILogger]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:36:43,608 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:36:43,608 INFO L146 ILogger]: Analyzing trace with hash -364800243, now seen corresponding path program 2 times [2019-05-23 09:36:43,610 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:36:43,648 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:36:43,650 INFO L146 ILogger]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2019-05-23 09:36:43,652 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:36:43,799 INFO L146 ILogger]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:36:43,800 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 09:36:43,800 INFO L146 ILogger]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-05-23 09:36:43,800 INFO L146 ILogger]: Interpolant automaton has 5 states [2019-05-23 09:36:43,801 INFO L146 ILogger]: Constructing interpolant automaton starting with 5 interpolants. [2019-05-23 09:36:43,801 INFO L146 ILogger]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-05-23 09:36:43,801 INFO L146 ILogger]: Start difference. First operand 32 states and 33 transitions. Second operand 5 states. [2019-05-23 09:36:43,890 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:36:43,890 INFO L146 ILogger]: Finished difference Result 15 states and 14 transitions. [2019-05-23 09:36:43,891 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-05-23 09:36:43,892 INFO L146 ILogger]: Start accepts. Automaton has 5 states. Word has length 28 [2019-05-23 09:36:43,892 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:36:43,892 INFO L146 ILogger]: With dead ends: 15 [2019-05-23 09:36:43,892 INFO L146 ILogger]: Without dead ends: 0 [2019-05-23 09:36:43,893 INFO L146 ILogger]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-05-23 09:36:43,893 INFO L146 ILogger]: Start minimizeSevpa. Operand 0 states. [2019-05-23 09:36:43,894 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-05-23 09:36:43,894 INFO L146 ILogger]: Start removeUnreachable. Operand 0 states. [2019-05-23 09:36:43,894 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-05-23 09:36:43,894 INFO L146 ILogger]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-05-23 09:36:43,894 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:36:43,895 INFO L146 ILogger]: Abstraction has 0 states and 0 transitions. [2019-05-23 09:36:43,895 INFO L146 ILogger]: Interpolant automaton has 5 states. [2019-05-23 09:36:43,895 INFO L146 ILogger]: Start isEmpty. Operand 0 states and 0 transitions. [2019-05-23 09:36:43,895 INFO L146 ILogger]: Finished isEmpty. No accepting run. [2019-05-23 09:36:43,898 INFO L146 ILogger]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-05-23 09:36:43,900 INFO L146 ILogger]: Adding new model array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 09:36:43 BasicIcfg [2019-05-23 09:36:43,900 INFO L146 ILogger]: ------------------------ END TraceAbstraction---------------------------- [2019-05-23 09:36:43,903 INFO L146 ILogger]: Toolchain (without parser) took 1834.57 ms. Allocated memory was 140.5 MB in the beginning and 176.7 MB in the end (delta: 36.2 MB). Free memory was 109.0 MB in the beginning and 127.1 MB in the end (delta: -18.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,904 INFO L146 ILogger]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,905 INFO L146 ILogger]: Boogie Procedure Inliner took 44.44 ms. Allocated memory is still 140.5 MB. Free memory was 108.7 MB in the beginning and 107.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,906 INFO L146 ILogger]: Boogie Preprocessor took 24.31 ms. Allocated memory is still 140.5 MB. Free memory was 107.1 MB in the beginning and 106.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,907 INFO L146 ILogger]: RCFGBuilder took 412.56 ms. Allocated memory is still 140.5 MB. Free memory was 106.0 MB in the beginning and 95.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,908 INFO L146 ILogger]: IcfgTransformer took 61.25 ms. Allocated memory is still 140.5 MB. Free memory was 95.3 MB in the beginning and 92.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,909 INFO L146 ILogger]: TraceAbstraction took 1287.50 ms. Allocated memory was 140.5 MB in the beginning and 176.7 MB in the end (delta: 36.2 MB). Free memory was 91.5 MB in the beginning and 127.1 MB in the end (delta: -35.6 MB). Peak memory consumption was 621.1 kB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,914 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 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.44 ms. Allocated memory is still 140.5 MB. Free memory was 108.7 MB in the beginning and 107.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.31 ms. Allocated memory is still 140.5 MB. Free memory was 107.1 MB in the beginning and 106.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 412.56 ms. Allocated memory is still 140.5 MB. Free memory was 106.0 MB in the beginning and 95.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * IcfgTransformer took 61.25 ms. Allocated memory is still 140.5 MB. Free memory was 95.3 MB in the beginning and 92.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1287.50 ms. Allocated memory was 140.5 MB in the beginning and 176.7 MB in the end (delta: 36.2 MB). Free memory was 91.5 MB in the beginning and 127.1 MB in the end (delta: -35.6 MB). Peak memory consumption was 621.1 kB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 56]: 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, 26 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 SDtfs, 34 SDslu, 65 SDs, 0 SdLazy, 81 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 2616 SizeOfPredicates, 9 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 9/10 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...