java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:07:08,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:07:08,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:07:08,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:07:08,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:07:08,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:07:08,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:07:08,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:07:08,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:07:08,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:07:08,036 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:07:08,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:07:08,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:07:08,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:07:08,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:07:08,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:07:08,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:07:08,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:07:08,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:07:08,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:07:08,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:07:08,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:07:08,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:07:08,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:07:08,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:07:08,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:07:08,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:07:08,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:07:08,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:07:08,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:07:08,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:07:08,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:07:08,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:07:08,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:07:08,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:07:08,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:07:08,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:07:08,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:07:08,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:07:08,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:07:08,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:07:08,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:07:08,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:07:08,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:07:08,147 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:07:08,147 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:07:08,148 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl [2019-08-05 11:07:08,148 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl' [2019-08-05 11:07:08,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:07:08,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:07:08,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:08,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:07:08,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:07:08,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/1) ... [2019-08-05 11:07:08,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/1) ... [2019-08-05 11:07:08,219 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:07:08,219 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:07:08,220 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:07:08,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:08,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:07:08,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:07:08,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:07:08,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/1) ... [2019-08-05 11:07:08,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/1) ... [2019-08-05 11:07:08,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/1) ... [2019-08-05 11:07:08,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/1) ... [2019-08-05 11:07:08,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/1) ... [2019-08-05 11:07:08,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/1) ... [2019-08-05 11:07:08,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/1) ... [2019-08-05 11:07:08,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:07:08,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:07:08,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:07:08,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:07:08,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 11:07:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:07:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:07:08,473 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:07:08,474 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:07:08,475 INFO L202 PluginConnector]: Adding new model BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:08 BoogieIcfgContainer [2019-08-05 11:07:08,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:07:08,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:07:08,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:07:08,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:07:08,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:08" (1/2) ... [2019-08-05 11:07:08,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53906950 and model type BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:07:08, skipping insertion in model container [2019-08-05 11:07:08,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:08" (2/2) ... [2019-08-05 11:07:08,484 INFO L109 eAbstractionObserver]: Analyzing ICFG BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl [2019-08-05 11:07:08,494 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:07:08,502 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:07:08,520 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:07:08,548 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:07:08,549 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:07:08,549 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:07:08,549 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:07:08,549 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:07:08,550 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:07:08,550 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:07:08,550 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:07:08,550 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:07:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:07:08,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:07:08,574 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:08,575 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:07:08,578 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:07:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:08,584 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:07:08,650 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:08,711 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2019-08-05 11:07:08,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:09,061 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-08-05 11:07:09,063 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:07:09,064 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 14 treesize of output 58 [2019-08-05 11:07:09,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:07:09,097 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-08-05 11:07:09,513 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2019-08-05 11:07:09,514 INFO L567 ElimStorePlain]: treesize reduction 128, result has 24.3 percent of original size [2019-08-05 11:07:09,515 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-08-05 11:07:09,516 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:40 [2019-08-05 11:07:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:07:09,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:07:09,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:07:09,641 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:07:09,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:07:09,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:07:09,656 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2019-08-05 11:07:09,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:09,694 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:07:09,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:07:09,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:07:09,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:09,718 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:07:09,719 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:07:09,722 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:07:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:07:09,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:07:09,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:07:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:07:09,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2019-08-05 11:07:09,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:09,750 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:07:09,750 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:07:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:07:09,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:07:09,759 INFO L202 PluginConnector]: Adding new model BoogieArrayTest-StoreIndexArrayUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:07:09 BoogieIcfgContainer [2019-08-05 11:07:09,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:07:09,763 INFO L168 Benchmark]: Toolchain (without parser) took 1576.98 ms. Allocated memory was 139.5 MB in the beginning and 177.7 MB in the end (delta: 38.3 MB). Free memory was 109.5 MB in the beginning and 146.6 MB in the end (delta: -37.1 MB). Peak memory consumption was 58.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:09,764 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:09,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.29 ms. Allocated memory is still 139.5 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:09,768 INFO L168 Benchmark]: Boogie Preprocessor took 19.82 ms. Allocated memory is still 139.5 MB. Free memory was 107.5 MB in the beginning and 106.6 MB in the end (delta: 936.3 kB). Peak memory consumption was 936.3 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:09,769 INFO L168 Benchmark]: RCFGBuilder took 232.71 ms. Allocated memory is still 139.5 MB. Free memory was 106.4 MB in the beginning and 97.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:09,770 INFO L168 Benchmark]: TraceAbstraction took 1282.22 ms. Allocated memory was 139.5 MB in the beginning and 177.7 MB in the end (delta: 38.3 MB). Free memory was 97.6 MB in the beginning and 146.6 MB in the end (delta: -48.9 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:09,775 INFO L335 ainManager$Toolchain]: ####################### 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 139.5 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.29 ms. Allocated memory is still 139.5 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.82 ms. Allocated memory is still 139.5 MB. Free memory was 107.5 MB in the beginning and 106.6 MB in the end (delta: 936.3 kB). Peak memory consumption was 936.3 kB. Max. memory is 7.1 GB. * RCFGBuilder took 232.71 ms. Allocated memory is still 139.5 MB. Free memory was 106.4 MB in the beginning and 97.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1282.22 ms. Allocated memory was 139.5 MB in the beginning and 177.7 MB in the end (delta: 38.3 MB). Free memory was 97.6 MB in the beginning and 146.6 MB in the end (delta: -48.9 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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, 4 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...