java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:10:01,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:10:01,220 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:10:01,238 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:10:01,238 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:10:01,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:10:01,241 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:10:01,242 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:10:01,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:10:01,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:10:01,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 21:10:01,247 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 21:10:01,248 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 21:10:01,249 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 21:10:01,250 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 21:10:01,250 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 21:10:01,251 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 21:10:01,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 21:10:01,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 21:10:01,256 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 21:10:01,257 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 21:10:01,259 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 21:10:01,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 21:10:01,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 21:10:01,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 21:10:01,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 21:10:01,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 21:10:01,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 21:10:01,265 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 21:10:01,266 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 21:10:01,266 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 21:10:01,267 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 21:10:01,267 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 21:10:01,268 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 21:10:01,269 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 21:10:01,269 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 21:10:01,270 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 21:10:01,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:10:01,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:10:01,280 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:10:01,281 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:10:01,281 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:10:01,281 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:10:01,283 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:10:01,283 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:10:01,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:10:01,284 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:10:01,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:10:01,284 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:10:01,284 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:10:01,285 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:10:01,285 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:10:01,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:10:01,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:10:01,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:10:01,365 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:10:01,366 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:10:01,367 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl [2018-10-12 21:10:01,367 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl' [2018-10-12 21:10:01,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:10:01,446 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:10:01,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:10:01,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:10:01,447 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:10:01,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:10:01" (1/1) ... [2018-10-12 21:10:01,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:10:01" (1/1) ... [2018-10-12 21:10:01,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:10:01" (1/1) ... [2018-10-12 21:10:01,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:10:01" (1/1) ... [2018-10-12 21:10:01,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:10:01" (1/1) ... [2018-10-12 21:10:01,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:10:01" (1/1) ... [2018-10-12 21:10:01,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:10:01" (1/1) ... [2018-10-12 21:10:01,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:10:01,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:10:01,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:10:01,519 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:10:01,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:10:01" (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 [2018-10-12 21:10:01,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:10:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:10:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:10:02,273 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:10:02,274 INFO L202 PluginConnector]: Adding new model openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:10:02 BoogieIcfgContainer [2018-10-12 21:10:02,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:10:02,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:10:02,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:10:02,279 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:10:02,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:10:01" (1/2) ... [2018-10-12 21:10:02,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8ca80f and model type openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:10:02, skipping insertion in model container [2018-10-12 21:10:02,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:10:02" (2/2) ... [2018-10-12 21:10:02,282 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl [2018-10-12 21:10:02,292 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:10:02,300 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:10:02,318 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:10:02,346 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:10:02,347 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:10:02,348 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:10:02,348 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:10:02,348 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:10:02,348 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:10:02,348 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:10:02,348 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:10:02,349 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:10:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-10-12 21:10:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-12 21:10:02,382 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:10:02,383 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:10:02,385 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:10:02,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:10:02,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1110130071, now seen corresponding path program 1 times [2018-10-12 21:10:02,454 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:10:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:10:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:10:03,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:10:03,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-12 21:10:03,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-12 21:10:03,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-12 21:10:03,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-10-12 21:10:03,337 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 13 states. [2018-10-12 21:10:04,037 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-12 21:10:04,521 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-12 21:10:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:10:05,142 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-10-12 21:10:05,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-12 21:10:05,144 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2018-10-12 21:10:05,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:10:05,159 INFO L225 Difference]: With dead ends: 115 [2018-10-12 21:10:05,160 INFO L226 Difference]: Without dead ends: 115 [2018-10-12 21:10:05,162 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-10-12 21:10:05,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-10-12 21:10:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 89. [2018-10-12 21:10:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-10-12 21:10:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-12 21:10:05,209 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 60 [2018-10-12 21:10:05,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:10:05,210 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-10-12 21:10:05,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-12 21:10:05,210 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-12 21:10:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-12 21:10:05,214 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:10:05,214 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:10:05,215 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:10:05,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:10:05,215 INFO L82 PathProgramCache]: Analyzing trace with hash 521767109, now seen corresponding path program 1 times [2018-10-12 21:10:05,216 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:10:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:10:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:10:06,406 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:10:06,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-12 21:10:06,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-12 21:10:06,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-12 21:10:06,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2018-10-12 21:10:06,410 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 21 states. [2018-10-12 21:10:07,932 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-12 21:10:08,377 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-10-12 21:10:08,685 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2018-10-12 21:10:09,134 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-10-12 21:10:09,523 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2018-10-12 21:10:09,753 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-12 21:10:10,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:10:10,187 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-10-12 21:10:10,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-12 21:10:10,187 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 88 [2018-10-12 21:10:10,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:10:10,190 INFO L225 Difference]: With dead ends: 143 [2018-10-12 21:10:10,190 INFO L226 Difference]: Without dead ends: 143 [2018-10-12 21:10:10,192 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=384, Invalid=1338, Unknown=0, NotChecked=0, Total=1722 [2018-10-12 21:10:10,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-10-12 21:10:10,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2018-10-12 21:10:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-12 21:10:10,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-10-12 21:10:10,204 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 88 [2018-10-12 21:10:10,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:10:10,205 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-10-12 21:10:10,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-12 21:10:10,205 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-10-12 21:10:10,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-12 21:10:10,209 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:10:10,210 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:10:10,210 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:10:10,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:10:10,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1062494963, now seen corresponding path program 2 times [2018-10-12 21:10:10,211 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:10:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:10:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:10:12,251 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:10:12,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-10-12 21:10:12,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-10-12 21:10:12,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-10-12 21:10:12,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1180, Unknown=0, NotChecked=0, Total=1260 [2018-10-12 21:10:12,254 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 36 states. [2018-10-12 21:10:13,916 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-12 21:10:14,351 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2018-10-12 21:10:14,662 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2018-10-12 21:10:15,000 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-12 21:10:15,357 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-12 21:10:15,776 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2018-10-12 21:10:16,321 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2018-10-12 21:10:16,814 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2018-10-12 21:10:17,261 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2018-10-12 21:10:18,007 WARN L178 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2018-10-12 21:10:18,508 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2018-10-12 21:10:19,169 WARN L178 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 138 [2018-10-12 21:10:20,013 WARN L178 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2018-10-12 21:10:20,621 WARN L178 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 128 [2018-10-12 21:10:20,918 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-12 21:10:21,233 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-10-12 21:10:21,467 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2018-10-12 21:10:21,751 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-10-12 21:10:21,983 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-12 21:10:22,871 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-10-12 21:10:23,432 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2018-10-12 21:10:23,800 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2018-10-12 21:10:24,113 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2018-10-12 21:10:25,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:10:25,440 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-10-12 21:10:25,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-10-12 21:10:25,441 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 116 [2018-10-12 21:10:25,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:10:25,443 INFO L225 Difference]: With dead ends: 171 [2018-10-12 21:10:25,443 INFO L226 Difference]: Without dead ends: 171 [2018-10-12 21:10:25,447 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=894, Invalid=4806, Unknown=0, NotChecked=0, Total=5700 [2018-10-12 21:10:25,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-10-12 21:10:25,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 145. [2018-10-12 21:10:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-10-12 21:10:25,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-10-12 21:10:25,458 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 116 [2018-10-12 21:10:25,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:10:25,458 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-10-12 21:10:25,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-10-12 21:10:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-10-12 21:10:25,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-12 21:10:25,461 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:10:25,461 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:10:25,462 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:10:25,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:10:25,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1719710687, now seen corresponding path program 3 times [2018-10-12 21:10:25,463 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:10:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:10:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-12 21:10:27,955 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:10:27,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-10-12 21:10:27,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-10-12 21:10:27,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-10-12 21:10:27,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1527, Unknown=0, NotChecked=0, Total=1640 [2018-10-12 21:10:27,957 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 41 states. [2018-10-12 21:10:28,977 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-10-12 21:10:29,251 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-10-12 21:10:29,445 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-12 21:10:29,884 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-12 21:10:30,117 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-12 21:10:30,466 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-12 21:10:30,721 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-12 21:10:31,010 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-12 21:10:31,279 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-12 21:10:31,547 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-12 21:10:31,926 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2018-10-12 21:10:32,347 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 116 [2018-10-12 21:10:32,765 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2018-10-12 21:10:33,278 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2018-10-12 21:10:33,716 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2018-10-12 21:10:34,207 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 126 [2018-10-12 21:10:34,575 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 120 [2018-10-12 21:10:35,721 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2018-10-12 21:10:35,985 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2018-10-12 21:10:36,329 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2018-10-12 21:10:36,625 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2018-10-12 21:10:37,037 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-12 21:10:38,129 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2018-10-12 21:10:38,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:10:38,151 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-10-12 21:10:38,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-10-12 21:10:38,152 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 144 [2018-10-12 21:10:38,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:10:38,153 INFO L225 Difference]: With dead ends: 143 [2018-10-12 21:10:38,154 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:10:38,157 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=1379, Invalid=5931, Unknown=0, NotChecked=0, Total=7310 [2018-10-12 21:10:38,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:10:38,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:10:38,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:10:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:10:38,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2018-10-12 21:10:38,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:10:38,158 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:10:38,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-10-12 21:10:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:10:38,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:10:38,163 INFO L202 PluginConnector]: Adding new model openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:10:38 BoogieIcfgContainer [2018-10-12 21:10:38,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:10:38,165 INFO L168 Benchmark]: Toolchain (without parser) took 36719.65 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 362.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 219.8 MB). Peak memory consumption was 582.6 MB. Max. memory is 7.1 GB. [2018-10-12 21:10:38,166 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 21:10:38,166 INFO L168 Benchmark]: Boogie Preprocessor took 71.32 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 21:10:38,167 INFO L168 Benchmark]: RCFGBuilder took 755.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-12 21:10:38,168 INFO L168 Benchmark]: TraceAbstraction took 35888.53 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 362.8 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 188.1 MB). Peak memory consumption was 550.9 MB. Max. memory is 7.1 GB. [2018-10-12 21:10:38,171 INFO L336 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.32 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 755.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35888.53 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 362.8 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 188.1 MB). Peak memory consumption was 550.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 162]: 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, 84 locations, 1 error locations. SAFE Result, 35.8s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 29.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 267 SDtfs, 3947 SDslu, 3325 SDs, 0 SdLazy, 3862 SolverSat, 253 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1862 ImplicationChecksByTransitivity, 27.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=3, 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, 4 MinimizatonAttempts, 78 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 659089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/154 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-10-38-184.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_10.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-10-38-184.csv Received shutdown request...