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/ArraysOfVariableLength_true-valid-memsafety.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:04:04,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:04:04,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:04:04,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:04:04,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:04:04,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:04:04,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:04:04,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:04:04,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:04:04,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:04:04,032 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:04:04,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:04:04,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:04:04,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:04:04,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:04:04,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:04:04,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:04:04,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:04:04,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:04:04,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:04:04,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:04:04,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:04:04,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:04:04,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:04:04,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:04:04,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:04:04,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:04:04,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:04:04,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:04:04,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:04:04,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:04:04,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:04:04,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:04:04,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:04:04,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:04:04,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:04:04,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:04:04,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:04:04,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:04:04,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:04:04,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:04:04,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:04:04,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:04:04,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:04:04,110 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:04:04,110 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:04:04,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_9.bpl [2019-08-05 11:04:04,112 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_9.bpl' [2019-08-05 11:04:04,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:04:04,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:04:04,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:04:04,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:04:04,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:04:04,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/1) ... [2019-08-05 11:04:04,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/1) ... [2019-08-05 11:04:04,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:04:04,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:04:04,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:04:04,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:04:04,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/1) ... [2019-08-05 11:04:04,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/1) ... [2019-08-05 11:04:04,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/1) ... [2019-08-05 11:04:04,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/1) ... [2019-08-05 11:04:04,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/1) ... [2019-08-05 11:04:04,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/1) ... [2019-08-05 11:04:04,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/1) ... [2019-08-05 11:04:04,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:04:04,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:04:04,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:04:04,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:04:04,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (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 11:04:04,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:04:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:04:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:04:04,573 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:04:04,574 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:04:04,575 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:04:04 BoogieIcfgContainer [2019-08-05 11:04:04,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:04:04,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:04:04,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:04:04,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:04:04,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:04" (1/2) ... [2019-08-05 11:04:04,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1022faf1 and model type ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:04:04, skipping insertion in model container [2019-08-05 11:04:04,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:04:04" (2/2) ... [2019-08-05 11:04:04,583 INFO L109 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_true-valid-memsafety.c_9.bpl [2019-08-05 11:04:04,592 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:04:04,600 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:04:04,617 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:04:04,642 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:04:04,642 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:04:04,643 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:04:04,643 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:04:04,643 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:04:04,643 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:04:04,643 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:04:04,643 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:04:04,644 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:04:04,656 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:04:04,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 11:04:04,664 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:04:04,665 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 11:04:04,668 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:04:04,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:04:04,674 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2019-08-05 11:04:04,720 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:04:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:04:04,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-05 11:04:04,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:04:04,980 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 11:04:04,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:04:04,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 11:04:04,988 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:04:04,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:04:04,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:04:05,002 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 11:04:05,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:04:05,119 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 11:04:05,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 11:04:05,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 11:04:05,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:04:05,131 INFO L225 Difference]: With dead ends: 8 [2019-08-05 11:04:05,131 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 11:04:05,133 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 11:04:05,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 11:04:05,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-08-05 11:04:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 11:04:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 11:04:05,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-05 11:04:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:04:05,168 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 11:04:05,168 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:04:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 11:04:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 11:04:05,169 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:04:05,169 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 11:04:05,170 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:04:05,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:04:05,170 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2019-08-05 11:04:05,171 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:04:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:04:05,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2019-08-05 11:04:05,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:04:05,294 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 11:04:05,295 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:04:05,355 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:04:05,356 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:04:05,357 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2019-08-05 11:04:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:04:05,600 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:04:05,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 11:04:05,602 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 11:04:05,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 11:04:05,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:04:05,603 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2019-08-05 11:04:05,827 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-08-05 11:04:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:04:06,015 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2019-08-05 11:04:06,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 11:04:06,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-08-05 11:04:06,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:04:06,016 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:04:06,016 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:04:06,017 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-08-05 11:04:06,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:04:06,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:04:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:04:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:04:06,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 11:04:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:04:06,019 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:04:06,019 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 11:04:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:04:06,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:04:06,024 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:04:06 BoogieIcfgContainer [2019-08-05 11:04:06,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:04:06,027 INFO L168 Benchmark]: Toolchain (without parser) took 1868.49 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 108.7 MB in the beginning and 132.3 MB in the end (delta: -23.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:04:06,029 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:04:06,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.24 ms. Allocated memory is still 133.7 MB. Free memory was 108.5 MB in the beginning and 106.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:04:06,031 INFO L168 Benchmark]: Boogie Preprocessor took 34.90 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 105.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:04:06,032 INFO L168 Benchmark]: RCFGBuilder took 339.83 ms. Allocated memory is still 133.7 MB. Free memory was 105.7 MB in the beginning and 93.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:04:06,033 INFO L168 Benchmark]: TraceAbstraction took 1448.20 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 93.3 MB in the beginning and 132.3 MB in the end (delta: -39.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:04:06,037 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 133.7 MB. Free memory was 110.2 MB in the beginning and 110.0 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 40.24 ms. Allocated memory is still 133.7 MB. Free memory was 108.5 MB in the beginning and 106.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.90 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 105.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 339.83 ms. Allocated memory is still 133.7 MB. Free memory was 105.7 MB in the beginning and 93.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1448.20 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 93.3 MB in the beginning and 132.3 MB in the end (delta: -39.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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, 1.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 383 SizeOfPredicates, 20 NumberOfNonLiveVariables, 152 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...