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/array4.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 09:36:42,024 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 09:36:42,026 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 09:36:42,038 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 09:36:42,039 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 09:36:42,040 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 09:36:42,042 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 09:36:42,046 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 09:36:42,050 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 09:36:42,051 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 09:36:42,052 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 09:36:42,053 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 09:36:42,054 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 09:36:42,055 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 09:36:42,056 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 09:36:42,057 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 09:36:42,058 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 09:36:42,060 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 09:36:42,062 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 09:36:42,064 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 09:36:42,066 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 09:36:42,070 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 09:36:42,075 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 09:36:42,076 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 09:36:42,076 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 09:36:42,078 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 09:36:42,078 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 09:36:42,080 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 09:36:42,080 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 09:36:42,084 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 09:36:42,085 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 09:36:42,086 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 09:36:42,089 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 09:36:42,090 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 09:36:42,090 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 09:36:42,091 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 09:36:42,091 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 09:36:42,094 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 09:36:42,095 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 09:36:42,148 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 09:36:42,164 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 09:36:42,167 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 09:36:42,168 INFO L146 ILogger]: Initializing Boogie PL CUP Parser... [2019-05-23 09:36:42,169 INFO L146 ILogger]: Boogie PL CUP Parser initialized [2019-05-23 09:36:42,170 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl [2019-05-23 09:36:42,170 INFO L146 ILogger]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl' [2019-05-23 09:36:42,204 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 09:36:42,205 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 09:36:42,206 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 09:36:42,206 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 09:36:42,207 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 09:36:42,222 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,233 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,241 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 09:36:42,242 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 09:36:42,242 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 09:36:42,242 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 09:36:42,253 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,253 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,254 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,254 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,258 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,260 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,260 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,262 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 09:36:42,263 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 09:36:42,263 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 09:36:42,263 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 09:36:42,264 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array4.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 09:36:42,328 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 09:36:42,328 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 09:36:42,694 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 09:36:42,694 INFO L146 ILogger]: Removed 2 assume(true) statements. [2019-05-23 09:36:42,696 INFO L146 ILogger]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:36:42 BoogieIcfgContainer [2019-05-23 09:36:42,696 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 09:36:42,697 INFO L146 ILogger]: ------------------------IcfgTransformer---------------------------- [2019-05-23 09:36:42,697 INFO L146 ILogger]: Initializing IcfgTransformer... [2019-05-23 09:36:42,698 INFO L146 ILogger]: IcfgTransformer initialized [2019-05-23 09:36:42,701 INFO L146 ILogger]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:36:42" (1/1) ... [2019-05-23 09:36:42,731 INFO L146 ILogger]: L25 [2019-05-23 09:36:42,732 INFO L146 ILogger]: In Formula: (= v_ULTIMATE.start_main_~A~5_3 (store v_ULTIMATE.start_main_~A~5_4 1023 0)) InVars {ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_4} OutVars{ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_3} AuxVars[] AssignedVars[ULTIMATE.start_main_~A~5] [2019-05-23 09:36:42,732 INFO L146 ILogger]: Out Formula: (and (= v_ULTIMATE.start_main_~A~5_val_0_out_1 v_ULTIMATE.start_main_~A~5_val_0_in_1) v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1 (or (not (= v_ULTIMATE.start_main_~A~5_idx_0_term_1 1023)) (= v_ULTIMATE.start_main_~A~5_val_0_in_1 0)) (or (= v_ULTIMATE.start_main_~A~5_idx_0_term_1 1023) (not v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1))) 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} 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_out_1} AuxVars[] AssignedVars[ULTIMATE.start_main_~A~5_val_0] [2019-05-23 09:36:42,733 INFO L146 ILogger]: L26 [2019-05-23 09:36:42,736 INFO L146 ILogger]: L31 [2019-05-23 09:36:42,737 INFO L146 ILogger]: In Formula: (= v_ULTIMATE.start_main_~A~5_5 (store v_ULTIMATE.start_main_~A~5_6 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_6, 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_5, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~A~5] [2019-05-23 09:36:42,737 INFO L146 ILogger]: Out Formula: (and (or (= v_ULTIMATE.start_main_~A~5_idx_0_term_2 v_ULTIMATE.start_main_~i~5_7) (not v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1)) v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1 (or (= v_ULTIMATE.start_main_~A~5_val_0_in_2 |v_ULTIMATE.start_main_#t~nondet1_3|) (not (= v_ULTIMATE.start_main_~A~5_idx_0_term_2 v_ULTIMATE.start_main_~i~5_7))) (= v_ULTIMATE.start_main_~A~5_val_0_out_2 v_ULTIMATE.start_main_~A~5_val_0_in_2)) 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_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_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_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_out_2, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~A~5_val_0] [2019-05-23 09:36:42,738 INFO L146 ILogger]: L32 [2019-05-23 09:36:42,740 INFO L146 ILogger]: L55 [2019-05-23 09:36:42,740 INFO L146 ILogger]: In Formula: (= (select v_ULTIMATE.start_main_~A~5_7 v_ULTIMATE.start_main_~i~5_10) 0) InVars {ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_7, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_10} OutVars{ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_7, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_10} AuxVars[] AssignedVars[] [2019-05-23 09:36:42,740 INFO L146 ILogger]: Out Formula: (and (= 0 v_v_ULTIMATE.start_main_~A~5_7_aux_1) (or (not (= v_ULTIMATE.start_main_~A~5_idx_0_term_3 v_ULTIMATE.start_main_~i~5_10)) (= v_ULTIMATE.start_main_~A~5_val_0_in_3 v_v_ULTIMATE.start_main_~A~5_7_aux_1)) (or (= v_ULTIMATE.start_main_~A~5_idx_0_term_3 v_ULTIMATE.start_main_~i~5_10) (not v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1)) v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1) InVars {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_10} OutVars{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_10} AuxVars[v_v_ULTIMATE.start_main_~A~5_7_aux_1] AssignedVars[] [2019-05-23 09:36:42,740 INFO L146 ILogger]: L44 [2019-05-23 09:36:42,742 INFO L146 ILogger]: L55 [2019-05-23 09:36:42,742 INFO L146 ILogger]: In Formula: (not (= (select v_ULTIMATE.start_main_~A~5_8 v_ULTIMATE.start_main_~i~5_12) 0)) InVars {ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_8, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_12} OutVars{ULTIMATE.start_main_~A~5=v_ULTIMATE.start_main_~A~5_8, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_12} AuxVars[] AssignedVars[] [2019-05-23 09:36:42,743 INFO L146 ILogger]: Out Formula: (and (or (not (= v_ULTIMATE.start_main_~A~5_idx_0_term_4 v_ULTIMATE.start_main_~i~5_12)) (= v_ULTIMATE.start_main_~A~5_val_0_in_4 v_v_ULTIMATE.start_main_~A~5_8_aux_1)) v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1 (or (= v_ULTIMATE.start_main_~A~5_idx_0_term_4 v_ULTIMATE.start_main_~i~5_12) (not v_ULTIMATE.start_main_~A~5_idx_0_term_assigned_1)) (not (= 0 v_v_ULTIMATE.start_main_~A~5_8_aux_1))) InVars {ULTIMATE.start_main_~A~5_idx_0=v_ULTIMATE.start_main_~A~5_idx_0_term_4, 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_4, 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_4, 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_4, ULTIMATE.start_main_~i~5=v_ULTIMATE.start_main_~i~5_12} AuxVars[v_v_ULTIMATE.start_main_~A~5_8_aux_1] AssignedVars[] [2019-05-23 09:36:42,743 INFO L146 ILogger]: L52 [2019-05-23 09:36:42,752 INFO L146 ILogger]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:36:42 BasicIcfg [2019-05-23 09:36:42,753 INFO L146 ILogger]: ------------------------ END IcfgTransformer---------------------------- [2019-05-23 09:36:42,754 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 09:36:42,754 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 09:36:42,757 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 09:36:42,761 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:36:42" (1/3) ... [2019-05-23 09:36:42,762 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4722c495 and model type array4.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 09:36:42,763 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:36:42" (2/3) ... [2019-05-23 09:36:42,767 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4722c495 and model type array4.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 09:36:42,768 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:36:42" (3/3) ... [2019-05-23 09:36:42,769 INFO L146 ILogger]: Analyzing ICFG array4.i_4.bplME [2019-05-23 09:36:42,791 INFO L146 ILogger]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-05-23 09:36:42,808 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 09:36:42,833 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 09:36:42,868 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 09:36:42,869 INFO L146 ILogger]: Interprodecural is true [2019-05-23 09:36:42,869 INFO L146 ILogger]: Hoare is false [2019-05-23 09:36:42,869 INFO L146 ILogger]: Compute interpolants for ForwardPredicates [2019-05-23 09:36:42,870 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 09:36:42,870 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 09:36:42,870 INFO L146 ILogger]: Difference is false [2019-05-23 09:36:42,870 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 09:36:42,871 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 09:36:42,887 INFO L146 ILogger]: Start isEmpty. Operand 27 states. [2019-05-23 09:36:42,897 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 16 [2019-05-23 09:36:42,897 INFO L146 ILogger]: Found error trace [2019-05-23 09:36:42,899 INFO L146 ILogger]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 09:36:42,901 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:36:42,907 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:36:42,908 INFO L146 ILogger]: Analyzing trace with hash 586080499, now seen corresponding path program 1 times [2019-05-23 09:36:42,979 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:36:43,014 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:36:43,017 INFO L146 ILogger]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-05-23 09:36:43,022 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:36:43,065 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 09:36:43,068 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 09:36:43,068 INFO L146 ILogger]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-05-23 09:36:43,072 INFO L146 ILogger]: Interpolant automaton has 3 states [2019-05-23 09:36:43,082 INFO L146 ILogger]: Constructing interpolant automaton starting with 3 interpolants. [2019-05-23 09:36:43,083 INFO L146 ILogger]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 09:36:43,084 INFO L146 ILogger]: Start difference. First operand 27 states. Second operand 3 states. [2019-05-23 09:36:43,199 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:36:43,199 INFO L146 ILogger]: Finished difference Result 41 states and 42 transitions. [2019-05-23 09:36:43,200 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-05-23 09:36:43,201 INFO L146 ILogger]: Start accepts. Automaton has 3 states. Word has length 15 [2019-05-23 09:36:43,202 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:36:43,213 INFO L146 ILogger]: With dead ends: 41 [2019-05-23 09:36:43,213 INFO L146 ILogger]: Without dead ends: 41 [2019-05-23 09:36:43,215 INFO L146 ILogger]: 0 DeclaredPredicates, 14 GetRequests, 13 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 09:36:43,232 INFO L146 ILogger]: Start minimizeSevpa. Operand 41 states. [2019-05-23 09:36:43,246 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 41 to 26. [2019-05-23 09:36:43,247 INFO L146 ILogger]: Start removeUnreachable. Operand 26 states. [2019-05-23 09:36:43,249 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2019-05-23 09:36:43,250 INFO L146 ILogger]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 15 [2019-05-23 09:36:43,250 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:36:43,250 INFO L146 ILogger]: Abstraction has 26 states and 27 transitions. [2019-05-23 09:36:43,251 INFO L146 ILogger]: Interpolant automaton has 3 states. [2019-05-23 09:36:43,251 INFO L146 ILogger]: Start isEmpty. Operand 26 states and 27 transitions. [2019-05-23 09:36:43,252 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 23 [2019-05-23 09:36:43,252 INFO L146 ILogger]: Found error trace [2019-05-23 09:36:43,252 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, 1] [2019-05-23 09:36:43,252 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:36:43,253 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:36:43,253 INFO L146 ILogger]: Analyzing trace with hash -1943445640, now seen corresponding path program 1 times [2019-05-23 09:36:43,254 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:36:43,267 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:36:43,269 INFO L146 ILogger]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2019-05-23 09:36:43,271 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:36:43,332 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 09:36:43,333 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:36:43,333 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-05-23 09:36:43,335 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 09:36:43,335 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 09:36:43,336 INFO L146 ILogger]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-05-23 09:36:43,336 INFO L146 ILogger]: Start difference. First operand 26 states and 27 transitions. Second operand 4 states. [2019-05-23 09:36:43,437 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:36:43,438 INFO L146 ILogger]: Finished difference Result 16 states and 16 transitions. [2019-05-23 09:36:43,438 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-05-23 09:36:43,438 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 22 [2019-05-23 09:36:43,451 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:36:43,451 INFO L146 ILogger]: With dead ends: 16 [2019-05-23 09:36:43,452 INFO L146 ILogger]: Without dead ends: 0 [2019-05-23 09:36:43,453 INFO L146 ILogger]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-05-23 09:36:43,453 INFO L146 ILogger]: Start minimizeSevpa. Operand 0 states. [2019-05-23 09:36:43,453 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-05-23 09:36:43,453 INFO L146 ILogger]: Start removeUnreachable. Operand 0 states. [2019-05-23 09:36:43,454 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-05-23 09:36:43,454 INFO L146 ILogger]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-05-23 09:36:43,454 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:36:43,454 INFO L146 ILogger]: Abstraction has 0 states and 0 transitions. [2019-05-23 09:36:43,454 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 09:36:43,455 INFO L146 ILogger]: Start isEmpty. Operand 0 states and 0 transitions. [2019-05-23 09:36:43,455 INFO L146 ILogger]: Finished isEmpty. No accepting run. [2019-05-23 09:36:43,458 INFO L146 ILogger]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-05-23 09:36:43,460 INFO L146 ILogger]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 09:36:43 BasicIcfg [2019-05-23 09:36:43,460 INFO L146 ILogger]: ------------------------ END TraceAbstraction---------------------------- [2019-05-23 09:36:43,464 INFO L146 ILogger]: Toolchain (without parser) took 1257.56 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 110.8 MB in the beginning and 146.3 MB in the end (delta: -35.5 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,467 INFO L146 ILogger]: Boogie PL CUP Parser took 0.55 ms. Allocated memory is still 141.0 MB. Free memory was 112.0 MB in the beginning and 111.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,468 INFO L146 ILogger]: Boogie Procedure Inliner took 35.00 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 109.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,469 INFO L146 ILogger]: Boogie Preprocessor took 20.56 ms. Allocated memory is still 141.0 MB. Free memory was 109.0 MB in the beginning and 107.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,470 INFO L146 ILogger]: RCFGBuilder took 433.70 ms. Allocated memory is still 141.0 MB. Free memory was 107.9 MB in the beginning and 96.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,471 INFO L146 ILogger]: IcfgTransformer took 56.27 ms. Allocated memory is still 141.0 MB. Free memory was 96.9 MB in the beginning and 93.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,472 INFO L146 ILogger]: TraceAbstraction took 706.23 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 93.0 MB in the beginning and 146.3 MB in the end (delta: -53.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. [2019-05-23 09:36:43,478 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 0.55 ms. Allocated memory is still 141.0 MB. Free memory was 112.0 MB in the beginning and 111.8 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 35.00 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 109.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.56 ms. Allocated memory is still 141.0 MB. Free memory was 109.0 MB in the beginning and 107.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 433.70 ms. Allocated memory is still 141.0 MB. Free memory was 107.9 MB in the beginning and 96.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * IcfgTransformer took 56.27 ms. Allocated memory is still 141.0 MB. Free memory was 96.9 MB in the beginning and 93.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 706.23 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 93.0 MB in the beginning and 146.3 MB in the end (delta: -53.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 57]: 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, 27 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 20 SDslu, 22 SDs, 0 SdLazy, 31 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 1295 SizeOfPredicates, 4 NumberOfNonLiveVariables, 74 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...