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_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:42:24,008 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:42:24,010 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:42:24,024 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:42:24,024 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:42:24,025 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:42:24,027 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:42:24,028 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:42:24,030 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:42:24,031 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:42:24,032 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:42:24,032 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:42:24,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:42:24,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:42:24,038 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:42:24,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:42:24,040 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:42:24,041 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:42:24,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:42:24,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:42:24,050 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:42:24,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:42:24,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:42:24,058 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:42:24,058 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:42:24,060 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:42:24,061 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:42:24,065 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:42:24,068 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:42:24,069 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:42:24,070 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:42:24,072 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 15:42:24,074 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:42:24,093 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:42:24,093 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:42:24,094 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:42:24,094 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:42:24,094 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:42:24,095 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:42:24,095 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:42:24,095 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:42:24,096 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:42:24,096 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:42:24,096 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:42:24,096 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:42:24,096 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:42:24,098 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:42:24,098 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:42:24,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:42:24,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:42:24,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:42:24,175 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:42:24,175 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:42:24,176 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl [2018-10-10 15:42:24,176 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl' [2018-10-10 15:42:24,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:42:24,262 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:42:24,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:42:24,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:42:24,263 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:42:24,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:24" (1/1) ... [2018-10-10 15:42:24,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:24" (1/1) ... [2018-10-10 15:42:24,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:24" (1/1) ... [2018-10-10 15:42:24,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:24" (1/1) ... [2018-10-10 15:42:24,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:24" (1/1) ... [2018-10-10 15:42:24,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:24" (1/1) ... [2018-10-10 15:42:24,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:24" (1/1) ... [2018-10-10 15:42:24,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:42:24,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:42:24,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:42:24,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:42:24,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:24" (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 [2018-10-10 15:42:24,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:42:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:42:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:42:25,036 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:42:25,037 INFO L202 PluginConnector]: Adding new model openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:42:25 BoogieIcfgContainer [2018-10-10 15:42:25,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:42:25,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:42:25,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:42:25,041 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:42:25,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:42:24" (1/2) ... [2018-10-10 15:42:25,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564ac6a0 and model type openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:42:25, skipping insertion in model container [2018-10-10 15:42:25,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:42:25" (2/2) ... [2018-10-10 15:42:25,045 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl [2018-10-10 15:42:25,055 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:42:25,064 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:42:25,082 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:42:25,112 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:42:25,112 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:42:25,113 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:42:25,113 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:42:25,113 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:42:25,113 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:42:25,113 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:42:25,113 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:42:25,114 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:42:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2018-10-10 15:42:25,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-10 15:42:25,146 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:42:25,147 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:42:25,148 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:42:25,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:42:25,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1379217143, now seen corresponding path program 1 times [2018-10-10 15:42:25,222 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:42:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:42:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:42:26,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:42:26,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-10 15:42:26,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-10 15:42:26,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-10 15:42:26,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-10-10 15:42:26,271 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 13 states. [2018-10-10 15:42:26,873 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-10 15:42:27,627 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-10-10 15:42:27,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:42:27,759 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-10-10 15:42:27,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-10 15:42:27,762 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 73 [2018-10-10 15:42:27,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:42:27,778 INFO L225 Difference]: With dead ends: 128 [2018-10-10 15:42:27,778 INFO L226 Difference]: Without dead ends: 128 [2018-10-10 15:42:27,783 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-10-10 15:42:27,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-10-10 15:42:27,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 102. [2018-10-10 15:42:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-10 15:42:27,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-10-10 15:42:27,848 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 73 [2018-10-10 15:42:27,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:42:27,849 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-10-10 15:42:27,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-10 15:42:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-10-10 15:42:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-10 15:42:27,856 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:42:27,859 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-10 15:42:27,859 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:42:27,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:42:27,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1796433243, now seen corresponding path program 1 times [2018-10-10 15:42:27,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:42:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:42:28,494 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-10 15:42:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:42:29,215 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:42:29,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-10 15:42:29,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-10 15:42:29,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-10 15:42:29,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2018-10-10 15:42:29,222 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 21 states. [2018-10-10 15:42:30,883 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-10 15:42:31,035 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-10 15:42:31,236 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-10 15:42:31,420 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-10 15:42:31,586 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-10 15:42:32,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:42:32,723 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-10-10 15:42:32,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 15:42:32,728 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 101 [2018-10-10 15:42:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:42:32,730 INFO L225 Difference]: With dead ends: 156 [2018-10-10 15:42:32,731 INFO L226 Difference]: Without dead ends: 156 [2018-10-10 15:42:32,734 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2018-10-10 15:42:32,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-10-10 15:42:32,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 130. [2018-10-10 15:42:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-10-10 15:42:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-10-10 15:42:32,749 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 101 [2018-10-10 15:42:32,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:42:32,749 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-10-10 15:42:32,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-10 15:42:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-10-10 15:42:32,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-10 15:42:32,752 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:42:32,752 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:42:32,753 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:42:32,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:42:32,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1477257901, now seen corresponding path program 2 times [2018-10-10 15:42:32,754 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:42:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:42:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:42:34,707 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:42:34,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-10-10 15:42:34,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-10-10 15:42:34,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-10-10 15:42:34,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1114, Unknown=0, NotChecked=0, Total=1190 [2018-10-10 15:42:34,709 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 35 states. [2018-10-10 15:42:36,245 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-10-10 15:42:36,635 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2018-10-10 15:42:36,963 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2018-10-10 15:42:37,382 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2018-10-10 15:42:37,832 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-10-10 15:42:38,368 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2018-10-10 15:42:38,904 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2018-10-10 15:42:39,400 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2018-10-10 15:42:39,872 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2018-10-10 15:42:40,369 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2018-10-10 15:42:40,960 WARN L178 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2018-10-10 15:42:41,702 WARN L178 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 141 [2018-10-10 15:42:42,244 WARN L178 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2018-10-10 15:42:42,733 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-10-10 15:42:43,129 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2018-10-10 15:42:43,437 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-10-10 15:42:43,788 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-10-10 15:42:44,155 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-10 15:42:44,997 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2018-10-10 15:42:45,613 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2018-10-10 15:42:45,946 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-10-10 15:42:47,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:42:47,182 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-10-10 15:42:47,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-10-10 15:42:47,183 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 129 [2018-10-10 15:42:47,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:42:47,185 INFO L225 Difference]: With dead ends: 184 [2018-10-10 15:42:47,186 INFO L226 Difference]: Without dead ends: 184 [2018-10-10 15:42:47,188 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=854, Invalid=4548, Unknown=0, NotChecked=0, Total=5402 [2018-10-10 15:42:47,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-10-10 15:42:47,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 158. [2018-10-10 15:42:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-10-10 15:42:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2018-10-10 15:42:47,201 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 129 [2018-10-10 15:42:47,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:42:47,201 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2018-10-10 15:42:47,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-10-10 15:42:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2018-10-10 15:42:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-10 15:42:47,204 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:42:47,204 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:42:47,205 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:42:47,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:42:47,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1005887743, now seen corresponding path program 3 times [2018-10-10 15:42:47,206 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:42:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:42:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-10 15:42:48,755 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:42:48,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-10-10 15:42:48,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-10 15:42:48,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-10 15:42:48,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2018-10-10 15:42:48,757 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand 37 states. [2018-10-10 15:42:50,068 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-10-10 15:42:50,397 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-10-10 15:42:50,589 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-10 15:42:50,806 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-10 15:42:51,031 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-10 15:42:51,263 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-10 15:42:51,511 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-10 15:42:51,775 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-10 15:42:52,031 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-10 15:42:52,349 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2018-10-10 15:42:52,660 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2018-10-10 15:42:53,016 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2018-10-10 15:42:53,416 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 120 [2018-10-10 15:42:53,941 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2018-10-10 15:42:54,389 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 126 [2018-10-10 15:42:54,839 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 130 [2018-10-10 15:42:55,239 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 124 [2018-10-10 15:42:56,024 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-10 15:42:56,239 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2018-10-10 15:42:56,524 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2018-10-10 15:42:56,893 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2018-10-10 15:42:57,221 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2018-10-10 15:42:57,567 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2018-10-10 15:42:57,935 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2018-10-10 15:42:58,694 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-10-10 15:42:59,377 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-10-10 15:42:59,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:42:59,392 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-10-10 15:42:59,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-10-10 15:42:59,393 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 157 [2018-10-10 15:42:59,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:42:59,394 INFO L225 Difference]: With dead ends: 156 [2018-10-10 15:42:59,394 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:42:59,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=1332, Invalid=5474, Unknown=0, NotChecked=0, Total=6806 [2018-10-10 15:42:59,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:42:59,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:42:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:42:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:42:59,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-10-10 15:42:59,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:42:59,398 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:42:59,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-10-10 15:42:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:42:59,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:42:59,404 INFO L202 PluginConnector]: Adding new model openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:42:59 BoogieIcfgContainer [2018-10-10 15:42:59,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:42:59,405 INFO L168 Benchmark]: Toolchain (without parser) took 35144.83 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 367.0 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 204.8 MB). Peak memory consumption was 571.8 MB. Max. memory is 7.1 GB. [2018-10-10 15:42:59,406 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. [2018-10-10 15:42:59,407 INFO L168 Benchmark]: Boogie Preprocessor took 59.12 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. [2018-10-10 15:42:59,407 INFO L168 Benchmark]: RCFGBuilder took 715.19 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. [2018-10-10 15:42:59,408 INFO L168 Benchmark]: TraceAbstraction took 34366.35 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 367.0 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 173.1 MB). Peak memory consumption was 540.1 MB. Max. memory is 7.1 GB. [2018-10-10 15:42:59,412 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 59.12 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 715.19 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 34366.35 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 367.0 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 173.1 MB). Peak memory consumption was 540.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 170]: 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, 93 locations, 1 error locations. SAFE Result, 34.3s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 28.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 305 SDtfs, 4351 SDslu, 3640 SDs, 0 SdLazy, 4240 SolverSat, 199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1637 ImplicationChecksByTransitivity, 25.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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, 0.2s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 456 ConstructedInterpolants, 0 QuantifiedInterpolants, 827948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 6/178 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_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-42-59-423.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_18.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-42-59-423.csv Received shutdown request...