scripts/cpa.sh -heap 50000M -noout -disable-java-assertions -predicateAnalysis-PredAbsRefiner-ABEl -setprop cpa.predicate.handlePointerAliasing=false -64 -timelimit 900s -stats -spec test/programs/benchmarks/ldv-linux-3.4-simple/ALL.prp test/programs/benchmarks/ldv-linux-3.4-simple/32_1_cilled_true-unreach-call_ok_nondet_linux-3.4-32_1-drivers--net--phy--icplus.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 50000M. Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 1.4-svn (OpenJDK 64-Bit Server VM 1.7.0_65) started (CPAchecker.run, INFO) Handling of pointer aliasing is disabled, analysis is unsound if aliased pointers exist. (PredicateCPA:PathFormulaManagerImpl., WARNING) Using predicate analysis with SMTInterpol 2.1-174-ga199d47-comp and JFactory 1.21. (PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (PredicateCPA:PredicateCPARefiner., INFO) The following configuration options were specified but are not used: cpa.predicate.memoryAllocationsAlwaysSucceed cpa.predicate.maxPreFilledAllocationSize (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Assuming external function ldv_initialize to be a constant function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function phy_driver_register to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function mdiobus_read to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function phy_driver_unregister to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) PredicateCPA statistics ----------------------- Number of abstractions: 4 (2% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 4 (100%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Times precision was empty: 2 (50%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 2 (50%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 4 Times result was 'false': 3 (75%) Number of coverage checks: 18 BDD entailment checks: 2 Number of SMT sat checks: 4 trivial: 0 cached: 1 Max ABE block size: 14 Number of predicates discovered: 2 Number of abstraction locations: 0 Max number of predicates per location: 0 Avg number of predicates per location: 0 Total predicates per abstraction: 4 Max number of predicates per abstraction: 2 Avg number of predicates per abstraction: 2.00 Number of irrelevant predicates: 0 (0%) Number of preds handled by boolean abs: 4 (100%) Total number of models for allsat: 2 Max number of models for allsat: 1 Avg number of models for allsat: 1.00 Number of path formula cache hits: 87 (48%) Time for post operator: 0.051s Time for path formula creation: 0.047s Actual computation: 0.046s Time for strengthen operator: 0.046s Time for satisfiability checks: 0.042s Time for prec operator: 0.050s Time for abstraction: 0.049s (Max: 0.022s, Count: 4) Boolean abstraction: 0.017s Solving time: 0.011s (Max: 0.008s) Model enumeration time: 0.001s Time for BDD construction: 0.000s (Max: 0.000s) Time for merge operator: 0.005s Time for coverage check: 0.001s Time for BDD entailment checks: 0.001s Total time for SMT solver (w/o itp): 0.054s Number of BDD nodes: 203 Size of BDD node table: 10007 Size of BDD node cleanup queue: 0 (count: 19, min: 0, max: 0, avg: 0,00) Time for BDD node cleanup: 0.000s Time for BDD garbage collection: 0.000s (in 0 runs) PrecisionBootstrap statistics ----------------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.039s Automaton transfers with branching: 0 Automaton transfer successors: 1747 (count: 1747, min: 1, max: 1, avg: 1,00) [1 x 1747] CPA algorithm statistics ------------------------ Number of iterations: 153 Max size of waitlist: 5 Average size of waitlist: 2 Number of computed successors: 164 Max successors for one state: 2 Number of times merged: 8 Number of times stopped: 10 Number of times breaked: 1 Total time for CPA algorithm: 0.252s (Max: 0.166s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.060s Time for transfer relation: 0.170s Time for merge operator: 0.007s Time for stop operator: 0.002s Time for adding to reached set: 0.004s Predicate-Abstraction Refiner statistics ---------------------------------------- Avg. length of target path (in blocks): 2 (count: 1, min: 2, max: 2, avg: 2,00) Time for refinement: 0.020s Counterexample analysis: 0.010s (Max: 0.010s, Calls: 1) Refinement sat check: 0.008s Interpolant computation: 0.000s Error path post-processing: 0.000s Path-formulas extraction: 0.000s Building the counterexample trace: 0.010s Extracting precise counterexample: 0.000s Predicate creation: 0.000s Precision update: 0.000s ARG update: 0.000s Length of refined path (in blocks): 0 (count: 0, min: 0, max: 0, avg: 0,00) Number of affected states: 0 (count: 0, min: 0, max: 0, avg: 0,00) Length (states) of path with itp 'true': 0 (count: 0, min: 0, max: 0, avg: 0,00) Length (states) of path with itp non-trivial itp: 0 (count: 0, min: 0, max: 0, avg: 0,00) Length (states) of path with itp 'false': 0 (count: 0, min: 0, max: 0, avg: 0,00) Different non-trivial interpolants along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Equal non-trivial interpolants along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Different precisions along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Equal precisions along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 76 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 76.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.283s Time for refinements: 0.030s Average time for refinement: 0.030s Max time for refinement: 0.030s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 267 Number of functions: 23 Number of loops: 4 Size of reached set: 80 Number of reached locations: 68 (25%) Avg states per location: 1 Max states per location: 2 (at node N383) Number of reached functions: 7 (30%) Number of partitions: 80 Avg size of partitions: 1 Max size of partitions: 1 Number of target states: 0 Time for analysis setup: 2.414s Time for loading CPAs: 0.620s Time for loading parser: 0.338s Time for CFA construction: 1.357s Time for parsing file(s): 0.533s Time for AST to CFA: 0.543s Time for CFA sanity check: 0.000s Time for post-processing: 0.160s Time for var class.: 0.000s Time for Analysis: 0.283s CPU time for analysis: 0.290s Total time for CPAchecker: 2.699s Total CPU time for CPAchecker: 4.210s Time for Garbage Collector: 0.000s (in 0 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 222MB ( 212 MiB) max; 146MB ( 139 MiB) avg; 222MB ( 212 MiB) peak Used non-heap memory: 21MB ( 20 MiB) max; 14MB ( 13 MiB) avg; 21MB ( 20 MiB) peak Used in PS Old Gen pool: 0MB ( 0 MiB) max; 0MB ( 0 MiB) avg; 0MB ( 0 MiB) peak Allocated heap memory: 2024MB ( 1930 MiB) max; 2024MB ( 1930 MiB) avg Allocated non-heap memory: 24MB ( 23 MiB) max; 24MB ( 23 MiB) avg Total process virtual memory: 57054MB ( 54411 MiB) max; 57054MB ( 54411 MiB) avg Verification result: TRUE. No property violation found by chosen configuration. More details about the verification run can be found in the directory "./output".