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/lis_unsafe_false-valid-deref.i_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:01:42,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:01:42,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:01:42,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:01:42,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:01:42,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:01:42,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:01:42,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:01:42,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:01:42,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:01:42,947 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:01:42,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:01:42,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:01:42,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:01:42,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:01:42,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:01:42,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:01:42,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:01:42,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:01:42,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:01:42,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:01:42,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:01:42,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:01:42,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:01:42,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:01:42,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:01:42,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:01:42,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:01:42,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:01:42,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:01:42,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:01:42,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:01:42,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:01:42,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:01:42,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:01:42,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:01:42,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:01:42,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:01:42,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:01:42,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:01:42,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:01:43,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:01:43,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:01:43,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:01:43,060 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:01:43,061 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:01:43,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_10.bpl [2019-08-05 11:01:43,062 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_10.bpl' [2019-08-05 11:01:43,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:01:43,134 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:01:43,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:01:43,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:01:43,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:01:43,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/1) ... [2019-08-05 11:01:43,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/1) ... [2019-08-05 11:01:43,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:01:43,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:01:43,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:01:43,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:01:43,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/1) ... [2019-08-05 11:01:43,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/1) ... [2019-08-05 11:01:43,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/1) ... [2019-08-05 11:01:43,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/1) ... [2019-08-05 11:01:43,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/1) ... [2019-08-05 11:01:43,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/1) ... [2019-08-05 11:01:43,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/1) ... [2019-08-05 11:01:43,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:01:43,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:01:43,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:01:43,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:01:43,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (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 11:01:43,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:01:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:01:43,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:01:43,587 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:01:43,587 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:01:43,589 INFO L202 PluginConnector]: Adding new model lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:01:43 BoogieIcfgContainer [2019-08-05 11:01:43,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:01:43,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:01:43,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:01:43,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:01:43,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:43" (1/2) ... [2019-08-05 11:01:43,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b95abff and model type lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:01:43, skipping insertion in model container [2019-08-05 11:01:43,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:01:43" (2/2) ... [2019-08-05 11:01:43,600 INFO L109 eAbstractionObserver]: Analyzing ICFG lis_unsafe_false-valid-deref.i_10.bpl [2019-08-05 11:01:43,610 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:01:43,622 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:01:43,640 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:01:43,673 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:01:43,674 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:01:43,674 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:01:43,674 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:01:43,675 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:01:43,675 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:01:43,675 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:01:43,675 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:01:43,675 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:01:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:01:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 11:01:43,701 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:43,702 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 11:01:43,704 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:43,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:43,711 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2019-08-05 11:01:43,768 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:43,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjunts are in the unsatisfiable core [2019-08-05 11:01:43,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:44,110 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2019-08-05 11:01:44,111 INFO L341 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2019-08-05 11:01:44,113 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 15 [2019-08-05 11:01:44,114 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:01:44,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:01:44,168 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 11:01:44,168 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:21 [2019-08-05 11:01:44,326 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 11:01:44,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:01:44,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 11:01:44,333 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:01:44,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:01:44,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:01:44,349 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 11:01:44,579 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-05 11:01:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:44,627 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. [2019-08-05 11:01:44,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 11:01:44,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 11:01:44,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:44,638 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:01:44,639 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:01:44,641 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:01:44,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:01:44,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:01:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:01:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:01:44,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-05 11:01:44,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:44,692 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:01:44,692 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:01:44,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:01:44,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:01:44,698 INFO L202 PluginConnector]: Adding new model lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:01:44 BoogieIcfgContainer [2019-08-05 11:01:44,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:01:44,701 INFO L168 Benchmark]: Toolchain (without parser) took 1566.96 ms. Allocated memory was 142.6 MB in the beginning and 176.2 MB in the end (delta: 33.6 MB). Free memory was 111.8 MB in the beginning and 146.7 MB in the end (delta: -34.9 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:44,702 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory is still 113.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:01:44,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.02 ms. Allocated memory is still 142.6 MB. Free memory was 111.8 MB in the beginning and 110.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:44,704 INFO L168 Benchmark]: Boogie Preprocessor took 39.79 ms. Allocated memory is still 142.6 MB. Free memory was 110.0 MB in the beginning and 108.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:44,705 INFO L168 Benchmark]: RCFGBuilder took 368.19 ms. Allocated memory is still 142.6 MB. Free memory was 108.7 MB in the beginning and 95.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:44,707 INFO L168 Benchmark]: TraceAbstraction took 1107.41 ms. Allocated memory was 142.6 MB in the beginning and 176.2 MB in the end (delta: 33.6 MB). Free memory was 95.2 MB in the beginning and 146.7 MB in the end (delta: -51.5 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:44,711 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 0.22 ms. Allocated memory is still 142.6 MB. Free memory is still 113.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.02 ms. Allocated memory is still 142.6 MB. Free memory was 111.8 MB in the beginning and 110.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.79 ms. Allocated memory is still 142.6 MB. Free memory was 110.0 MB in the beginning and 108.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 368.19 ms. Allocated memory is still 142.6 MB. Free memory was 108.7 MB in the beginning and 95.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1107.41 ms. Allocated memory was 142.6 MB in the beginning and 176.2 MB in the end (delta: 33.6 MB). Free memory was 95.2 MB in the beginning and 146.7 MB in the end (delta: -51.5 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 136]: 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, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 1 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, 0.3s 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 117 SizeOfPredicates, 13 NumberOfNonLiveVariables, 67 ConjunctsInSsa, 18 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...