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/array2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 09:36:42,004 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 09:36:42,008 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 09:36:42,020 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 09:36:42,020 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 09:36:42,021 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 09:36:42,023 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 09:36:42,025 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 09:36:42,028 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 09:36:42,029 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 09:36:42,030 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 09:36:42,031 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 09:36:42,032 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 09:36:42,036 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 09:36:42,037 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 09:36:42,038 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 09:36:42,039 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 09:36:42,043 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 09:36:42,048 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 09:36:42,049 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 09:36:42,050 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 09:36:42,055 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 09:36:42,058 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 09:36:42,059 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 09:36:42,059 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 09:36:42,060 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 09:36:42,061 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 09:36:42,062 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 09:36:42,062 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 09:36:42,063 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 09:36:42,065 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 09:36:42,066 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 09:36:42,068 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 09:36:42,068 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 09:36:42,069 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 09:36:42,069 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 09:36:42,070 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 09:36:42,072 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 09:36:42,072 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 09:36:42,110 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 09:36:42,121 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 09:36:42,125 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 09:36:42,126 INFO L146 ILogger]: Initializing Boogie PL CUP Parser... [2019-05-23 09:36:42,127 INFO L146 ILogger]: Boogie PL CUP Parser initialized [2019-05-23 09:36:42,128 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array2.i_3.bpl [2019-05-23 09:36:42,128 INFO L146 ILogger]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array2.i_3.bpl' [2019-05-23 09:36:42,172 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 09:36:42,173 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 09:36:42,174 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 09:36:42,174 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 09:36:42,174 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 09:36:42,190 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,202 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,215 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 09:36:42,216 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 09:36:42,216 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 09:36:42,216 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 09:36:42,227 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,228 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,229 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,229 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,234 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,237 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,238 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,240 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 09:36:42,241 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 09:36:42,241 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 09:36:42,241 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 09:36:42,243 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array2.i_3.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 09:36:42,313 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 09:36:42,313 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 09:36:42,628 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 09:36:42,629 INFO L146 ILogger]: Removed 1 assume(true) statements. [2019-05-23 09:36:42,630 INFO L146 ILogger]: Adding new model array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:36:42 BoogieIcfgContainer [2019-05-23 09:36:42,630 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 09:36:42,631 INFO L146 ILogger]: ------------------------IcfgTransformer---------------------------- [2019-05-23 09:36:42,631 INFO L146 ILogger]: Initializing IcfgTransformer... [2019-05-23 09:36:42,632 INFO L146 ILogger]: IcfgTransformer initialized [2019-05-23 09:36:42,636 INFO L146 ILogger]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,709 INFO L146 ILogger]: L27 [2019-05-23 09:36:42,710 INFO L146 ILogger]: In Formula: (= |v_ULTIMATE.start___VERIFIER_assert_#in~cond_1| (ite (not (= (select v_ULTIMATE.start_main_~B~4_3 1024) (select v_ULTIMATE.start_main_~A~4_3 1024))) 1 0)) InVars {ULTIMATE.start_main_~A~4=v_ULTIMATE.start_main_~A~4_3, ULTIMATE.start_main_~B~4=v_ULTIMATE.start_main_~B~4_3} OutVars{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_3, ULTIMATE.start_main_~B~4=v_ULTIMATE.start_main_~B~4_3} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_#in~cond] [2019-05-23 09:36:42,710 INFO L146 ILogger]: Out Formula: (and (or (= 1024 v_ULTIMATE.start_main_~A~4_idx_0_term_1) (not v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1)) (= |v_ULTIMATE.start___VERIFIER_assert_#in~cond_1| (ite (not (= v_v_ULTIMATE.start_main_~A~4_3_aux_1 v_v_ULTIMATE.start_main_~B~4_3_aux_1)) 1 0)) (or (not (= 1024 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_3_aux_1)) (or (not (= v_ULTIMATE.start_main_~B~4_idx_0_term_1 1024)) (= v_ULTIMATE.start_main_~B~4_val_0_in_1 v_v_ULTIMATE.start_main_~B~4_3_aux_1)) v_ULTIMATE.start_main_~B~4_idx_0_term_assigned_1 (or (= v_ULTIMATE.start_main_~B~4_idx_0_term_1 1024) (not v_ULTIMATE.start_main_~B~4_idx_0_term_assigned_1)) 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_val_0=v_ULTIMATE.start_main_~A~4_val_0_in_1, ULTIMATE.start_main_~A~4_idx_0_bool=v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1, ULTIMATE.start_main_~B~4_idx_0=v_ULTIMATE.start_main_~B~4_idx_0_term_1, ULTIMATE.start_main_~B~4_idx_0_bool=v_ULTIMATE.start_main_~B~4_idx_0_term_assigned_1, ULTIMATE.start_main_~B~4_val_0=v_ULTIMATE.start_main_~B~4_val_0_in_1} 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_main_~A~4_idx_0_bool=v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1, ULTIMATE.start_main_~B~4_idx_0=v_ULTIMATE.start_main_~B~4_idx_0_term_1, ULTIMATE.start___VERIFIER_assert_#in~cond=|v_ULTIMATE.start___VERIFIER_assert_#in~cond_1|, ULTIMATE.start_main_~B~4_idx_0_bool=v_ULTIMATE.start_main_~B~4_idx_0_term_assigned_1, ULTIMATE.start_main_~B~4_val_0=v_ULTIMATE.start_main_~B~4_val_0_in_1} AuxVars[v_v_ULTIMATE.start_main_~A~4_3_aux_1, v_v_ULTIMATE.start_main_~B~4_3_aux_1] AssignedVars[ULTIMATE.start___VERIFIER_assert_#in~cond] [2019-05-23 09:36:42,711 INFO L146 ILogger]: L28 [2019-05-23 09:36:42,713 INFO L146 ILogger]: L35 [2019-05-23 09:36:42,713 INFO L146 ILogger]: In Formula: (= v_ULTIMATE.start_main_~tmp~4_3 (select v_ULTIMATE.start_main_~A~4_4 v_ULTIMATE.start_main_~i~4_6)) 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_main_~tmp~4=v_ULTIMATE.start_main_~tmp~4_3, 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_main_~tmp~4] [2019-05-23 09:36:42,713 INFO L146 ILogger]: Out Formula: (and (or (not (= v_ULTIMATE.start_main_~A~4_idx_0_term_2 v_ULTIMATE.start_main_~i~4_6)) (= v_ULTIMATE.start_main_~A~4_val_0_in_2 v_v_ULTIMATE.start_main_~A~4_4_aux_1)) (= v_v_ULTIMATE.start_main_~A~4_4_aux_1 v_ULTIMATE.start_main_~tmp~4_3) (or (= v_ULTIMATE.start_main_~A~4_idx_0_term_2 v_ULTIMATE.start_main_~i~4_6) (not v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_1)) 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_val_0=v_ULTIMATE.start_main_~A~4_val_0_in_2, ULTIMATE.start_main_~A~4_idx_0_bool=v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_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_2, ULTIMATE.start_main_~A~4_val_0=v_ULTIMATE.start_main_~A~4_val_0_in_2, ULTIMATE.start_main_~tmp~4=v_ULTIMATE.start_main_~tmp~4_3, ULTIMATE.start_main_~A~4_idx_0_bool=v_ULTIMATE.start_main_~A~4_idx_0_term_assigned_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_main_~tmp~4] [2019-05-23 09:36:42,713 INFO L146 ILogger]: L36 [2019-05-23 09:36:42,716 INFO L146 ILogger]: L36 [2019-05-23 09:36:42,716 INFO L146 ILogger]: In Formula: (= v_ULTIMATE.start_main_~B~4_4 (store v_ULTIMATE.start_main_~B~4_5 v_ULTIMATE.start_main_~i~4_7 v_ULTIMATE.start_main_~tmp~4_4)) InVars {ULTIMATE.start_main_~tmp~4=v_ULTIMATE.start_main_~tmp~4_4, ULTIMATE.start_main_~B~4=v_ULTIMATE.start_main_~B~4_5, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_7} OutVars{ULTIMATE.start_main_~tmp~4=v_ULTIMATE.start_main_~tmp~4_4, ULTIMATE.start_main_~B~4=v_ULTIMATE.start_main_~B~4_4, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~B~4] [2019-05-23 09:36:42,716 INFO L146 ILogger]: Out Formula: (and (= v_ULTIMATE.start_main_~B~4_val_0_in_2 v_ULTIMATE.start_main_~B~4_val_0_out_1) (or (= v_ULTIMATE.start_main_~B~4_val_0_in_2 v_ULTIMATE.start_main_~tmp~4_4) (not (= v_ULTIMATE.start_main_~B~4_idx_0_term_3 v_ULTIMATE.start_main_~i~4_7))) v_ULTIMATE.start_main_~B~4_idx_0_term_assigned_1 (or (= v_ULTIMATE.start_main_~B~4_idx_0_term_3 v_ULTIMATE.start_main_~i~4_7) (not v_ULTIMATE.start_main_~B~4_idx_0_term_assigned_1))) InVars {ULTIMATE.start_main_~tmp~4=v_ULTIMATE.start_main_~tmp~4_4, ULTIMATE.start_main_~B~4_idx_0=v_ULTIMATE.start_main_~B~4_idx_0_term_3, ULTIMATE.start_main_~B~4_idx_0_bool=v_ULTIMATE.start_main_~B~4_idx_0_term_assigned_1, ULTIMATE.start_main_~B~4_val_0=v_ULTIMATE.start_main_~B~4_val_0_in_2, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_7} OutVars{ULTIMATE.start_main_~tmp~4=v_ULTIMATE.start_main_~tmp~4_4, ULTIMATE.start_main_~B~4_idx_0=v_ULTIMATE.start_main_~B~4_idx_0_term_3, ULTIMATE.start_main_~B~4_idx_0_bool=v_ULTIMATE.start_main_~B~4_idx_0_term_assigned_1, ULTIMATE.start_main_~B~4_val_0=v_ULTIMATE.start_main_~B~4_val_0_out_1, ULTIMATE.start_main_~i~4=v_ULTIMATE.start_main_~i~4_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~B~4_val_0] [2019-05-23 09:36:42,717 INFO L146 ILogger]: L37 [2019-05-23 09:36:42,725 INFO L146 ILogger]: Adding new model array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:36:42 BasicIcfg [2019-05-23 09:36:42,726 INFO L146 ILogger]: ------------------------ END IcfgTransformer---------------------------- [2019-05-23 09:36:42,727 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 09:36:42,727 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 09:36:42,731 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 09:36:42,731 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/3) ... [2019-05-23 09:36:42,732 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4055b8bb and model type array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 09:36:42, skipping insertion in model container [2019-05-23 09:36:42,733 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:36:42" (2/3) ... [2019-05-23 09:36:42,733 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4055b8bb and model type array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 09:36:42, skipping insertion in model container [2019-05-23 09:36:42,734 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:36:42" (3/3) ... [2019-05-23 09:36:42,735 INFO L146 ILogger]: Analyzing ICFG array2.i_3.bplME [2019-05-23 09:36:42,752 INFO L146 ILogger]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-05-23 09:36:42,768 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 09:36:42,798 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 09:36:42,818 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 09:36:42,819 INFO L146 ILogger]: Interprodecural is true [2019-05-23 09:36:42,819 INFO L146 ILogger]: Hoare is false [2019-05-23 09:36:42,819 INFO L146 ILogger]: Compute interpolants for ForwardPredicates [2019-05-23 09:36:42,820 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 09:36:42,820 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 09:36:42,820 INFO L146 ILogger]: Difference is false [2019-05-23 09:36:42,820 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 09:36:42,820 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 09:36:42,833 INFO L146 ILogger]: Start isEmpty. Operand 22 states. [2019-05-23 09:36:42,842 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 15 [2019-05-23 09:36:42,842 INFO L146 ILogger]: Found error trace [2019-05-23 09:36:42,844 INFO L146 ILogger]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 09:36:42,846 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:36:42,853 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:36:42,853 INFO L146 ILogger]: Analyzing trace with hash -264836309, now seen corresponding path program 1 times [2019-05-23 09:36:42,902 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:36:42,938 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:36:42,942 INFO L146 ILogger]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2019-05-23 09:36:42,948 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:36:42,997 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 09:36:43,000 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 09:36:43,001 INFO L146 ILogger]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-05-23 09:36:43,006 INFO L146 ILogger]: Interpolant automaton has 3 states [2019-05-23 09:36:43,020 INFO L146 ILogger]: Constructing interpolant automaton starting with 3 interpolants. [2019-05-23 09:36:43,022 INFO L146 ILogger]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 09:36:43,024 INFO L146 ILogger]: Start difference. First operand 22 states. Second operand 3 states. [2019-05-23 09:36:43,160 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:36:43,161 INFO L146 ILogger]: Finished difference Result 25 states and 25 transitions. [2019-05-23 09:36:43,161 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-05-23 09:36:43,163 INFO L146 ILogger]: Start accepts. Automaton has 3 states. Word has length 14 [2019-05-23 09:36:43,163 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:36:43,173 INFO L146 ILogger]: With dead ends: 25 [2019-05-23 09:36:43,173 INFO L146 ILogger]: Without dead ends: 25 [2019-05-23 09:36:43,176 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 09:36:43,193 INFO L146 ILogger]: Start minimizeSevpa. Operand 25 states. [2019-05-23 09:36:43,208 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 25 to 21. [2019-05-23 09:36:43,209 INFO L146 ILogger]: Start removeUnreachable. Operand 21 states. [2019-05-23 09:36:43,210 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-05-23 09:36:43,211 INFO L146 ILogger]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2019-05-23 09:36:43,212 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:36:43,212 INFO L146 ILogger]: Abstraction has 21 states and 21 transitions. [2019-05-23 09:36:43,212 INFO L146 ILogger]: Interpolant automaton has 3 states. [2019-05-23 09:36:43,212 INFO L146 ILogger]: Start isEmpty. Operand 21 states and 21 transitions. [2019-05-23 09:36:43,213 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 21 [2019-05-23 09:36:43,213 INFO L146 ILogger]: Found error trace [2019-05-23 09:36:43,214 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] [2019-05-23 09:36:43,214 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:36:43,214 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:36:43,215 INFO L146 ILogger]: Analyzing trace with hash -320835227, now seen corresponding path program 1 times [2019-05-23 09:36:43,216 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:36:43,231 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:36:43,233 INFO L146 ILogger]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2019-05-23 09:36:43,235 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:36:43,526 WARN L146 ILogger]: Spent 211.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 5 [2019-05-23 09:36:43,533 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 09:36:43,534 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:36:43,534 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-05-23 09:36:43,536 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 09:36:43,536 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 09:36:43,537 INFO L146 ILogger]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-05-23 09:36:43,537 INFO L146 ILogger]: Start difference. First operand 21 states and 21 transitions. Second operand 4 states. [2019-05-23 09:36:43,691 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:36:43,691 INFO L146 ILogger]: Finished difference Result 16 states and 16 transitions. [2019-05-23 09:36:43,691 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-05-23 09:36:43,692 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 20 [2019-05-23 09:36:43,692 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:36:43,692 INFO L146 ILogger]: With dead ends: 16 [2019-05-23 09:36:43,693 INFO L146 ILogger]: Without dead ends: 0 [2019-05-23 09:36:43,694 INFO L146 ILogger]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-05-23 09:36:43,694 INFO L146 ILogger]: Start minimizeSevpa. Operand 0 states. [2019-05-23 09:36:43,694 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-05-23 09:36:43,695 INFO L146 ILogger]: Start removeUnreachable. Operand 0 states. [2019-05-23 09:36:43,695 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-05-23 09:36:43,695 INFO L146 ILogger]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-05-23 09:36:43,695 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:36:43,695 INFO L146 ILogger]: Abstraction has 0 states and 0 transitions. [2019-05-23 09:36:43,696 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 09:36:43,696 INFO L146 ILogger]: Start isEmpty. Operand 0 states and 0 transitions. [2019-05-23 09:36:43,696 INFO L146 ILogger]: Finished isEmpty. No accepting run. [2019-05-23 09:36:43,699 INFO L146 ILogger]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-05-23 09:36:43,701 INFO L146 ILogger]: Adding new model array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 09:36:43 BasicIcfg [2019-05-23 09:36:43,701 INFO L146 ILogger]: ------------------------ END TraceAbstraction---------------------------- [2019-05-23 09:36:43,703 INFO L146 ILogger]: Toolchain (without parser) took 1529.68 ms. Allocated memory is still 142.1 MB. Free memory was 111.8 MB in the beginning and 63.8 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,704 INFO L146 ILogger]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory is still 112.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-05-23 09:36:43,705 INFO L146 ILogger]: Boogie Procedure Inliner took 41.13 ms. Allocated memory is still 142.1 MB. Free memory was 111.4 MB in the beginning and 109.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,707 INFO L146 ILogger]: Boogie Preprocessor took 25.05 ms. Allocated memory is still 142.1 MB. Free memory was 109.7 MB in the beginning and 108.8 MB in the end (delta: 855.6 kB). Peak memory consumption was 855.6 kB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,708 INFO L146 ILogger]: RCFGBuilder took 389.33 ms. Allocated memory is still 142.1 MB. Free memory was 108.8 MB in the beginning and 98.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,709 INFO L146 ILogger]: IcfgTransformer took 95.14 ms. Allocated memory is still 142.1 MB. Free memory was 98.7 MB in the beginning and 95.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,709 INFO L146 ILogger]: TraceAbstraction took 974.48 ms. Allocated memory is still 142.1 MB. Free memory was 94.9 MB in the beginning and 63.8 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,717 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 0.23 ms. Allocated memory is still 142.1 MB. Free memory is still 112.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.13 ms. Allocated memory is still 142.1 MB. Free memory was 111.4 MB in the beginning and 109.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.05 ms. Allocated memory is still 142.1 MB. Free memory was 109.7 MB in the beginning and 108.8 MB in the end (delta: 855.6 kB). Peak memory consumption was 855.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 389.33 ms. Allocated memory is still 142.1 MB. Free memory was 108.8 MB in the beginning and 98.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * IcfgTransformer took 95.14 ms. Allocated memory is still 142.1 MB. Free memory was 98.7 MB in the beginning and 95.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 974.48 ms. Allocated memory is still 142.1 MB. Free memory was 94.9 MB in the beginning and 63.8 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: 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, 22 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 9 SDslu, 23 SDs, 0 SdLazy, 25 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 1088 SizeOfPredicates, 4 NumberOfNonLiveVariables, 68 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...