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/20181010-MemSafetyPathprograms/tree_of_cslls_true-valid-memsafety.i_47.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:59:52,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:59:52,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:59:52,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:59:52,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:59:52,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:59:52,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:59:52,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:59:52,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:59:52,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:59:52,881 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:59:52,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:59:52,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:59:52,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:59:52,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:59:52,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:59:52,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:59:52,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:59:52,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:59:52,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:59:52,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:59:52,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:59:52,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:59:52,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:59:52,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:59:52,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:59:52,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:59:52,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:59:52,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:59:52,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:59:52,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:59:52,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:59:52,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:59:52,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:59:52,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:59:52,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:59:52,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:59:52,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:59:52,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:59:52,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:59:52,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:59:52,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:59:52,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:59:52,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:59:52,996 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:59:52,997 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:59:52,997 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/tree_of_cslls_true-valid-memsafety.i_47.bpl [2019-08-05 10:59:52,998 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/tree_of_cslls_true-valid-memsafety.i_47.bpl' [2019-08-05 10:59:53,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:59:53,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:59:53,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:59:53,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:59:53,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:59:53,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/1) ... [2019-08-05 10:59:53,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/1) ... [2019-08-05 10:59:53,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:59:53,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:59:53,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:59:53,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:59:53,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/1) ... [2019-08-05 10:59:53,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/1) ... [2019-08-05 10:59:53,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/1) ... [2019-08-05 10:59:53,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/1) ... [2019-08-05 10:59:53,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/1) ... [2019-08-05 10:59:53,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/1) ... [2019-08-05 10:59:53,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/1) ... [2019-08-05 10:59:53,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:59:53,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:59:53,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:59:53,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:59:53,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (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 10:59:53,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 10:59:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:59:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:59:53,739 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:59:53,739 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:59:53,740 INFO L202 PluginConnector]: Adding new model tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:59:53 BoogieIcfgContainer [2019-08-05 10:59:53,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:59:53,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:59:53,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:59:53,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:59:53,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:53" (1/2) ... [2019-08-05 10:59:53,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7700b826 and model type tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:59:53, skipping insertion in model container [2019-08-05 10:59:53,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:59:53" (2/2) ... [2019-08-05 10:59:53,765 INFO L109 eAbstractionObserver]: Analyzing ICFG tree_of_cslls_true-valid-memsafety.i_47.bpl [2019-08-05 10:59:53,778 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:59:53,787 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:59:53,805 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:59:53,833 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:59:53,834 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:59:53,834 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:59:53,835 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:59:53,835 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:59:53,835 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:59:53,835 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:59:53,835 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:59:53,836 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:59:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:59:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:59:53,865 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:59:53,867 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:59:53,870 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:59:53,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:59:53,879 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2019-08-05 10:59:53,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:59:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:59:54,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 20 conjunts are in the unsatisfiable core [2019-08-05 10:59:54,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:59:54,268 INFO L392 ElimStorePlain]: Different costs {1=[|ULTIMATE.start_#Ultimate.alloc_old_#length|], 3=[|ULTIMATE.start_#Ultimate.alloc_old_#valid|]} [2019-08-05 10:59:54,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 10:59:54,322 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-08-05 10:59:54,324 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:59:54,407 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:59:54,503 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:59:54,504 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 34 [2019-08-05 10:59:54,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:59:54,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:59:54,510 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 10:59:54,639 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2019-08-05 10:59:54,639 INFO L567 ElimStorePlain]: treesize reduction 10, result has 73.0 percent of original size [2019-08-05 10:59:54,641 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:59:54,641 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:35, output treesize:14 [2019-08-05 10:59:54,725 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 10:59:54,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:59:54,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:59:54,732 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:59:54,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:59:54,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:59:54,747 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 10:59:54,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:59:54,880 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. [2019-08-05 10:59:54,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:59:54,882 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 10:59:54,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:59:54,889 INFO L225 Difference]: With dead ends: 3 [2019-08-05 10:59:54,890 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:59:54,892 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:59:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:59:54,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:59:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:59:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:59:54,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-05 10:59:54,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:59:54,918 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:59:54,918 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:59:54,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:59:54,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:59:54,924 INFO L202 PluginConnector]: Adding new model tree_of_cslls_true-valid-memsafety.i_47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:59:54 BoogieIcfgContainer [2019-08-05 10:59:54,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:59:54,926 INFO L168 Benchmark]: Toolchain (without parser) took 1859.11 ms. Allocated memory was 132.6 MB in the beginning and 172.0 MB in the end (delta: 39.3 MB). Free memory was 108.9 MB in the beginning and 129.4 MB in the end (delta: -20.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:59:54,927 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:59:54,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.63 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:59:54,929 INFO L168 Benchmark]: Boogie Preprocessor took 58.27 ms. Allocated memory is still 132.6 MB. Free memory was 107.3 MB in the beginning and 105.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:59:54,930 INFO L168 Benchmark]: RCFGBuilder took 557.91 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 85.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-08-05 10:59:54,931 INFO L168 Benchmark]: TraceAbstraction took 1181.99 ms. Allocated memory was 132.6 MB in the beginning and 172.0 MB in the end (delta: 39.3 MB). Free memory was 85.1 MB in the beginning and 129.4 MB in the end (delta: -44.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:59:54,935 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 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.63 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.27 ms. Allocated memory is still 132.6 MB. Free memory was 107.3 MB in the beginning and 105.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 557.91 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 85.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1181.99 ms. Allocated memory was 132.6 MB in the beginning and 172.0 MB in the end (delta: 39.3 MB). Free memory was 85.1 MB in the beginning and 129.4 MB in the end (delta: -44.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 277]: 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, 6 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 111 SizeOfPredicates, 14 NumberOfNonLiveVariables, 105 ConjunctsInSsa, 20 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...