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_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:01:14,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:01:14,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:01:14,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:01:14,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:01:14,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:01:14,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:01:14,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:01:14,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:01:14,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:01:14,960 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:01:14,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:01:14,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:01:14,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:01:14,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:01:14,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:01:14,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:01:14,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:01:14,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:01:14,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:01:14,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:01:14,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:01:14,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:01:14,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:01:14,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:01:14,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:01:14,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:01:14,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:01:14,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:01:14,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:01:14,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:01:14,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:01:14,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:01:14,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:01:14,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:01:14,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:01:14,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:01:14,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:01:14,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:01:14,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:01:14,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:01:15,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:01:15,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:01:15,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:01:15,055 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:01:15,055 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:01:15,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_6.bpl [2019-08-05 11:01:15,056 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_6.bpl' [2019-08-05 11:01:15,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:01:15,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:01:15,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:01:15,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:01:15,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:01:15,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/1) ... [2019-08-05 11:01:15,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/1) ... [2019-08-05 11:01:15,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:01:15,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:01:15,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:01:15,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:01:15,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/1) ... [2019-08-05 11:01:15,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/1) ... [2019-08-05 11:01:15,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/1) ... [2019-08-05 11:01:15,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/1) ... [2019-08-05 11:01:15,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/1) ... [2019-08-05 11:01:15,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/1) ... [2019-08-05 11:01:15,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/1) ... [2019-08-05 11:01:15,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:01:15,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:01:15,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:01:15,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:01:15,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (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 11:01:15,231 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:01:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:01:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:01:15,544 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:01:15,544 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:01:15,545 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:01:15 BoogieIcfgContainer [2019-08-05 11:01:15,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:01:15,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:01:15,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:01:15,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:01:15,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:15" (1/2) ... [2019-08-05 11:01:15,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68445c14 and model type ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:01:15, skipping insertion in model container [2019-08-05 11:01:15,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:01:15" (2/2) ... [2019-08-05 11:01:15,554 INFO L109 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_true-valid-memsafety.c_6.bpl [2019-08-05 11:01:15,563 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:01:15,569 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:01:15,585 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:01:15,610 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:01:15,611 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:01:15,611 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:01:15,611 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:01:15,612 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:01:15,612 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:01:15,612 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:01:15,612 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:01:15,612 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:01:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 11:01:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:01:15,634 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:15,635 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:01:15,638 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:15,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:15,644 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2019-08-05 11:01:15,695 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:15,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 11:01:15,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:15,801 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 11:01:15,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:01:15,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:01:15,812 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:01:15,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:01:15,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:01:15,840 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-08-05 11:01:15,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:15,906 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2019-08-05 11:01:15,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:01:15,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 11:01:15,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:15,923 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:01:15,924 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 11:01:15,926 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:01:15,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 11:01:15,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 11:01:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 11:01:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-08-05 11:01:15,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-08-05 11:01:15,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:15,957 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-08-05 11:01:15,958 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:01:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-08-05 11:01:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 11:01:15,958 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:15,959 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 11:01:15,959 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:15,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:15,960 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, now seen corresponding path program 1 times [2019-08-05 11:01:15,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:15,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 11:01:15,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:01:16,039 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:01:16,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 11:01:16,041 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:01:16,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:01:16,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:01:16,042 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2019-08-05 11:01:16,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:16,094 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. [2019-08-05 11:01:16,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 11:01:16,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 11:01:16,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:16,095 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:01:16,096 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:01:16,097 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:01:16,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:01:16,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:01:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:01:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:01:16,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-05 11:01:16,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:16,098 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:01:16,098 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:01:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:01:16,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:01:16,104 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:01:16 BoogieIcfgContainer [2019-08-05 11:01:16,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:01:16,107 INFO L168 Benchmark]: Toolchain (without parser) took 1012.05 ms. Allocated memory is still 136.3 MB. Free memory was 112.5 MB in the beginning and 73.0 MB in the end (delta: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:16,109 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 113.9 MB in the beginning and 113.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:01:16,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.10 ms. Allocated memory is still 136.3 MB. Free memory was 112.3 MB in the beginning and 110.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:16,111 INFO L168 Benchmark]: Boogie Preprocessor took 23.09 ms. Allocated memory is still 136.3 MB. Free memory was 110.6 MB in the beginning and 109.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:16,112 INFO L168 Benchmark]: RCFGBuilder took 390.71 ms. Allocated memory is still 136.3 MB. Free memory was 109.3 MB in the beginning and 97.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:16,113 INFO L168 Benchmark]: TraceAbstraction took 557.79 ms. Allocated memory is still 136.3 MB. Free memory was 97.4 MB in the beginning and 73.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:16,122 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 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 113.9 MB in the beginning and 113.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.10 ms. Allocated memory is still 136.3 MB. Free memory was 112.3 MB in the beginning and 110.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.09 ms. Allocated memory is still 136.3 MB. Free memory was 110.6 MB in the beginning and 109.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 390.71 ms. Allocated memory is still 136.3 MB. Free memory was 109.3 MB in the beginning and 97.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 557.79 ms. Allocated memory is still 136.3 MB. Free memory was 97.4 MB in the beginning and 73.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. 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, 5 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 112 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...