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/dll_extends_pointer_true-valid-memsafety.i_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:00:29,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:00:29,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:00:29,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:00:29,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:00:29,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:00:29,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:00:29,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:00:29,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:00:29,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:00:29,336 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:00:29,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:00:29,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:00:29,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:00:29,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:00:29,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:00:29,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:00:29,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:00:29,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:00:29,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:00:29,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:00:29,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:00:29,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:00:29,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:00:29,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:00:29,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:00:29,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:00:29,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:00:29,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:00:29,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:00:29,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:00:29,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:00:29,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:00:29,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:00:29,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:00:29,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:00:29,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:00:29,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:00:29,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:00:29,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:00:29,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:00:29,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:00:29,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:00:29,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:00:29,426 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:00:29,426 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:00:29,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_23.bpl [2019-08-05 11:00:29,427 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_23.bpl' [2019-08-05 11:00:29,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:00:29,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:00:29,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:00:29,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:00:29,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:00:29,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/1) ... [2019-08-05 11:00:29,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/1) ... [2019-08-05 11:00:29,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:00:29,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:00:29,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:00:29,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:00:29,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/1) ... [2019-08-05 11:00:29,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/1) ... [2019-08-05 11:00:29,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/1) ... [2019-08-05 11:00:29,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/1) ... [2019-08-05 11:00:29,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/1) ... [2019-08-05 11:00:29,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/1) ... [2019-08-05 11:00:29,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/1) ... [2019-08-05 11:00:29,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:00:29,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:00:29,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:00:29,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:00:29,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (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 11:00:29,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:00:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:00:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:00:30,038 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:00:30,039 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:00:30,040 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:00:30 BoogieIcfgContainer [2019-08-05 11:00:30,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:00:30,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:00:30,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:00:30,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:00:30,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:00:29" (1/2) ... [2019-08-05 11:00:30,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa74604 and model type dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:00:30, skipping insertion in model container [2019-08-05 11:00:30,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:00:30" (2/2) ... [2019-08-05 11:00:30,049 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer_true-valid-memsafety.i_23.bpl [2019-08-05 11:00:30,077 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:00:30,087 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:00:30,111 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:00:30,150 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:00:30,151 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:00:30,151 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:00:30,151 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:00:30,152 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:00:30,152 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:00:30,152 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:00:30,152 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:00:30,152 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:00:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:00:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 11:00:30,179 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:00:30,180 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 11:00:30,183 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:00:30,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:00:30,190 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2019-08-05 11:00:30,259 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:00:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:00:30,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2019-08-05 11:00:30,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:00:30,448 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 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 11:00:30,449 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:30,477 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:30,478 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:00:30,478 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-08-05 11:00:30,574 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:30,575 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-08-05 11:00:30,576 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:30,637 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-08-05 11:00:30,638 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 11:00:30,639 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-08-05 11:00:30,679 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 11:00:30,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:00:30,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 11:00:30,685 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:00:30,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:00:30,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:00:30,699 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 11:00:30,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:00:30,778 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. [2019-08-05 11:00:30,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:00:30,781 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 11:00:30,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:00:30,789 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:00:30,789 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:00:30,792 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:00:30,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:00:30,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:00:30,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:00:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:00:30,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-05 11:00:30,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:00:30,820 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:00:30,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:00:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:00:30,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:00:30,826 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:00:30 BoogieIcfgContainer [2019-08-05 11:00:30,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:00:30,829 INFO L168 Benchmark]: Toolchain (without parser) took 1339.76 ms. Allocated memory is still 133.2 MB. Free memory was 109.9 MB in the beginning and 61.5 MB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:30,830 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:00:30,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.23 ms. Allocated memory is still 133.2 MB. Free memory was 109.9 MB in the beginning and 108.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:30,832 INFO L168 Benchmark]: Boogie Preprocessor took 57.84 ms. Allocated memory is still 133.2 MB. Free memory was 108.2 MB in the beginning and 106.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:30,833 INFO L168 Benchmark]: RCFGBuilder took 447.47 ms. Allocated memory is still 133.2 MB. Free memory was 106.7 MB in the beginning and 92.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:30,834 INFO L168 Benchmark]: TraceAbstraction took 784.69 ms. Allocated memory is still 133.2 MB. Free memory was 92.1 MB in the beginning and 61.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:30,838 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 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 111.8 MB in the beginning and 111.6 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 45.23 ms. Allocated memory is still 133.2 MB. Free memory was 109.9 MB in the beginning and 108.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.84 ms. Allocated memory is still 133.2 MB. Free memory was 108.2 MB in the beginning and 106.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 447.47 ms. Allocated memory is still 133.2 MB. Free memory was 106.7 MB in the beginning and 92.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 784.69 ms. Allocated memory is still 133.2 MB. Free memory was 92.1 MB in the beginning and 61.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 146]: 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, 0.6s 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, 0.0s 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, 0.3s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 7 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 12 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...